机械英文缩写和全称对照表
机械图纸常用英文缩写
ANGLE 角度
NATURE R 自然R
ALL ROUND 周边，全周
NG 粗牙
BOT (BOTT) 底部
NF 细牙
CB 沉头孔
PART NO 料号
CL 中心线
PUNCH 冲头
C+0.02 单边放大0.02间隙PIERCE PUNCH 落料冲头chamfer(C) 倒角
PCS 个，块，件
CA(NCA) 清角（不清角）
Q'TY 数量
CENTER(CEN) 中心，园心REF 参考
DWG NO 图号
REV 版次
DEEP(DEP) 深度
RIGHT 右
EDGE 刀口
SYM 中心对齐
ECN NO 设变号码
SMALL 小端
EWL (newl) 清线头（不清线头）S落料斜度
FINISH 硬度
SCALE 比例
GAP 单边间隙
SECTION A-A 剖视A-A HEIGHT 高度
SHEET 表单，页次HATCHING 阴影线
SURFACE 表面
HEAT TREATMENT 热处理TAP 攻牙
INSERT 入块
TYP 相同，尺寸一致
LARGE 大端
THRU(THR) 贯穿
LEFT 左
TOP 顶部
MM 螺纹的规格
THICK 厚度
MARK 记号标记TAPPER 锥度斜度MATEL 材料材质
TAN 切点
MAX 最大值
TAP1/2NPT 1/2英制管牙MIN 最小值
UNIT 单位
NAME 名称
VIWE A 视图A
NEF 特别攻牙
SECA-A A-A剖视
NRT 新制管牙。
机械制图专业英文缩写
ANGLE 角度
NATURE R 自然R
ALL ROUND 周边，全周
NG 粗牙
BOT (BOTT) 底部
NF 细牙
CB 沉头孔
PART NO 料号
CL 中心线
PUNCH 冲头
C+0.02 单边放大0.02间隙PIERCE PUNCH 落料冲头chamfer(C) 倒角
PCS 个，块，件
CA(NCA) 清角（不清角）
Q'TY 数量
CENTER(CEN) 中心，园心REF 参考
DWG NO 图号
REV 版次
DEEP(DEP) 深度
RIGHT 右
EDGE 刀口
SYM 中心对齐
ECN NO 设变号码
SMALL 小端
EWL (newl) 清线头（不清线头）S落料斜度
FINISH 硬度
SCALE 比例
GAP 单边间隙
SECTION A-A 剖视A-A HEIGHT 高度
SHEET 表单，页次HATCHING 阴影线
SURFACE 表面
HEAT TREATMENT 热处理TAP 攻牙
INSERT 入块
TYP 相同，尺寸一致
LARGE 大端
THRU(THR) 贯穿
LEFT 左
TOP 顶部
MM 螺纹的规格
THICK 厚度
MARK 记号标记TAPPER 锥度斜度MATEL 材料材质
TAN 切点
MAX 最大值
TAP1/2NPT 1/2英制管牙MIN 最小值
UNIT 单位
NAME 名称
VIWE A 视图A
NEF 特别攻牙
SECA-A A-A剖视
NRT 新制管牙。
机械专用英文缩写
机械专用英文缩写集团文件版本号：（M928-T898-M248-WU2669-I2896-DQ586-M1988）A *Anchor固定ABS*Absolute绝对的AISI*American Iron and Steel Institute美国钢铁学会ANSI*American National Standards Institute美国国家标准学会API*American Petroleum Institute美国石油学会APPROX*Approximate大约，近似的ASB*Asbestos石棉ASME*American Society Of Testing Material美国机械工程师协会ASSY*Assembly装配，组装ASTM*American Society Of Testing Material美国材料实验协会ATM*Atmosphere大气压AWG*American Wire Gage美国线规AWS *American Wel**** Society美国焊接协会AWWA *American Water Works Association 美国水工协会BBBBolted Bonnet 栓柱连接的阀盖BBBy Buyer 买方供货B-BBeveled End-Beveled End 两端为坡口端BC Bolt Circle 螺栓中心圆B.C Bolted Cover(cap) 螺栓连接的阀兰盖（帽）BEBeveled End (for wel****) 坡口（焊接用）B.E Bell End 承口BEPBoth Ends Plain 两端平BET Both Ends Threaded 两端带螺纹BLBattery Limit 装置区边界BFBlind Flange 法兰盖BLD Blind 盲板BLDG*Buil**** 建筑物BM Bill Of Material 材料表BOPBottom Of Pipe 管底B-PBeveled End —Plain End 坡口端.平端BV Butterfly valve 蝶阀BWG * Birmingham Wire Gage 伯明翰线规BWButt Weld 对焊CCCap管帽C-CCenter to Center中至中C-ECenter to End 中至端面C-FCenter to Face中至面CH-OPChain Operated 链条操纵的CH.PLCheckered Plate花纹钢管C.I*Cast Iron铸铁CL*Class英制压力等级，等级，种类CLEARClearance间隙CODContinued on Drawing 接续图COL*Column 柱，塔CONCConcentric 同心的CONN Connection 连接，接口CONT *Continue 连续CONT.V. Control Valve 控制阀CPLG Coupling 管接头，连轴节C.R.Concentric Reducer 同心异径管C.S.*Carbon Steel碳钢C.S.Cold Spring冷紧在关闭状态下封住在开启状态下封住CUST Customer客C.V Check Valve止回阀DDEG*Degree 度DFDrain funnel 排液漏斗DIA*Diameter 直径DIM*Dimension 尺寸DISCH*Discharge 出口，排出Diaphragm VELVE 隔膜阀DMF Double Male And Female双重凹凸DN*Double Male And Female公称直径DNDown下DRDrain排液DSDirectional Stop定向限为架DWG*Drawing图EE *East东EC External Coating外面涂防腐层ECC Eccentric偏心EFW Electric Fusion Welded电容焊的EL(ELEV) *Elevation标高；立面ELL Elbow弯头EQIOP Equipment设备，装置EQUIVEquivalent相当的E.R.Eccentric Reducer偏心异经管ERWElectric Resistance Welded电阻焊的EWEye Washer & Shower洗眼器及淋浴器EXP.JTExpansion Joint膨胀节FFDN Foundation基础FFFlat Faced Or Full Faced全平面；满平面F-FFace To Face面至面FGW Fusion Gas Wel****气熔焊FIG*Figure图FLFloor楼面FLEXTUBE Flexible Tube挠性管FLGFlange法兰FLGDFlanged法兰式的FLGFFlanged Face法兰面FOBFlat On Bottom底面平FOTFlat On Top顶面平FPFix Point固定点FSForged Steel锻钢FTFFitting To Fitting管件直连FTGFitting管件FURNDFurnished提供的，装设的FWField Weld现伤焊GGGuide导向GA*Gage表，表压，规（线规）GALV*Galvanize镀锌GLGround Level地面GLVGlobe Valve截止阀GEAR OPGear Operated齿轮传动的GMAWGas Metal Arc Wel****金属极惰气体保护焊GSKTGasket垫片GTAW(Inert)Gas Tungsten Arc Wel****惰性气体保护钨极电弧焊GVGate Valve闸阀HHHanger吊架HCHose Connection软管接头H.CPLGHalf Coupling半节管接头HDRHeader总管HEX*Hexagon六角形HFHard Alloy Face on阀内件（阀心）为Valve Trim 硬质合金密封面HHHand Pole手孔HORHorizontal水平的H.P*High Pressure高压HSHose Station软管IID*Inside Diameter内径IN*Inch英寸INSInsulation隔热INSTInstrument仪表INVInvert (inside bottom of pipe)管子内底IPSIron Pipe size铁管尺寸ISOIsometric Drawing周测图（空视图）装置边界内恻ISNSInside screw & Non-rising Stem内螺纹非升杆ISRSInside screw & Rising stem内螺纹升杆JJTJoint接头JSJack Screw顶开（起）螺栓LLCLocked Closed在关闭状态下锁定LEPLarge end plain大端为平的LETLarge end Threaded大端带螺纹LGLong长LGFLens Gasket Face透镜垫连接面左螺纹LIFTLift Type升降式LJLap Joint搭接LJFLap Joint Flange松套法兰LOLocked Open在开启状态下锁定L.P. Low Pressure低压LRLong Radius长半径LRELong Radius Elbow长半径弯头LTGLarge Tongue & Groove大椎槽MMATLMaterial材料MAXMaximum最大MBMachine Bolt机器螺栓（单头）MFMale and Female凸和凹MFGManufacture制造MF*Manufacture制造厂MHManhole人孔MIMalleable Iron可锻铸铁MIN*Minimum最小MJMechanical Joint机械接头M.LMatch Line连续线MSS * Manufacturers Standardization Society of the Valve and Fittings Industry, Inc.美国阀门和管件制造商标准化协会MTOMaterial take-off材料统计MWMinimum Wall最小壁厚M.W.Mineral Wool矿（物）棉NN*North北NBNominal Bore公称孔径N.B.Non-Bonnet无阀盖NCNormally Closed常闭NIPNipple短管NONormally Open;常开*Number号；数量NO INSNo Insulation不隔热NOMNominal公称的；额定的NOZNozzle管口NPSNominal Pipe Size公称管径NPSHNet Positive Suction Head净正吸入压头NPT*American National Taper美国锥管螺纹Pipe ThreadNSNominal Size公称直径NVNeedle Valve针形阀OOD*Outside Diameter外径OETOne end Threaded一端带螺纹OROutside Radius外半径ORFOrifice孔板ORIENTOrientation方位OS & YOutside Screw and Yoke 外螺纹阀杆和阀轭OSNBOutside Screw Non-Bonnet外螺纹无阀盖PPlug堵头PAPPiping Arrangement Plan管道布置平面图PBPressure Seal Bonnet压力密封的阀盖P-BPlain End –Bevel End平端—坡口端PCPressure Seal Cap压力密封的阀帽节圆直径PEPlain End (not beveled)平端（无坡口）PFPlatform平台PIDPiping & Instrument Diagram管道及仪表流程图PN*Nominal Pressure公称压力PNPlant North工厂北向POSpoint of Support支承点P-PPlain End—Plain End两端为平端PREPPreparation加工准备PSIA*Pounds Per Square Inch Absolute磅/ PSIGPounds Per Square Inch Gage磅/PTPoint点PTFE*Polytetrafluoroethylene聚四氟乙烯PT.NOPart No.件号PVPlug Valve旋塞阀PVC*Poly Vinyl Chloride聚氯乙烯QTY*Quantity数量RR *Radius半径REDReducer异径管REFReference参考REINFReinforce加强REQDRequired需要；申请REV *Revision修改RF Raised Face凸面RGRing Gasket环形垫片右螺旋RJRing Joint环垫接头RORestriction Orifice限流孔板RPM*Revolutions Per Minute转/分RPS*Revolutions Per Second转/秒RS Resting Support支承架，滑动架RTJRing Type Joint（见RJ）RV Relief Valve安全泄液阀SS*South南SSpring弹簧（管架用）SAW(Automatic)Submerged Arc Wel****自动埋弧焊SBStud Bolt双头螺栓SBScrewed Bonnet螺纹阀盖SCSample Cooler取样冷却器SCH*Schedule管壁厚系列号SCRDScrewed螺纹SEPSmall end Plain小端为平的SETSmall end Threaded小端带螺纹SFSemi-Finished半光SGSight Glass视镜SHSurface Hard Facing硬质密封面SKSketch草图SMAWShielded Metal Arc Wel****有保护的金属电弧焊SMLS Seamless无缝SNSwaged Nipple异径短管SOSlip – On滑套SOFSlip – On Flange滑套法兰SPEC*Specification规定，说明SPLSound Pressure Lever升压水准SQ*Square方的，平方SRShout Radius短半径SREShort Radius Elbow短半径弯头SS*Stainless Steel不锈钢STSteam Trap蒸汽疏水阀STD*Standard标准STGSmall Tongue & Groove小椎槽面STL*Steel钢STMSteam蒸汽STM.TRSteam Tracing蒸汽拌热SUCTSuction吸入口SVSafety Valve安全泄气阀SWSocket Weld承插焊SWGSwage锻造，模锻SWMGSwing Type旋启式SYMSymmetrical对称的TTTee三通TEThreaded End螺纹端TEMP*Temperature温度TGTongue & Groove椎槽THD*Threaded螺纹的THK*Thickness厚度TLTangent Line切线TNTrue North真实北向TOCTop of Concrete混凝土北向TOPTop of pipe管顶TOSTop of Support支架顶面Top of Steel钢结构顶面TYPTypical典型的UUBUnion Bonnet带活接头的阀盖UCUnion Cap带活接头的阀帽UNUnion活接头VVValve阀VACVacuum真空VARVariable可变的VERTVertical垂直的VOL*Volume卷，册，容量，体积WW*West西WBWeld Branch焊接支管WCWeld Cap焊接管帽WDWidth宽度WEWeld End焊接端WLWel**** Line焊接线WNWel**** Neck对焊法兰（颈部）WNFWeld Neck Flange对焊法兰WPWorking Pressure工作压力W.P.Working Point工作点WTWall Thickness壁厚Weight重量XXHExtra Heavy加强的，加厚的XXHDouble Extra Heavy双倍加强（厚）的XSExtra Strong加强的XXSDouble Extra Strong双倍加强的YYPYield Point屈服点。
机械专用英文缩写
机械专用英文缩写集团文件版本号：（M928-T898-M248-WU2669-I2896-DQ586-M1988）A *Anchor固定ABS*Absolute绝对的AISI*American Iron and Steel Institute美国钢铁学会ANSI*American National Standards Institute美国国家标准学会API*American Petroleum Institute美国石油学会APPROX*Approximate大约，近似的ASB*Asbestos石棉ASME*American Society Of Testing Material美国机械工程师协会ASSY*Assembly装配，组装ASTM*American Society Of Testing Material美国材料实验协会ATM*Atmosphere大气压AWG*American Wire Gage美国线规AWS *American Wel**** Society美国焊接协会AWWA *American Water Works Association 美国水工协会BBBBolted Bonnet 栓柱连接的阀盖BBBy Buyer 买方供货B-BBeveled End-Beveled End 两端为坡口端BC Bolt Circle 螺栓中心圆B.C Bolted Cover(cap) 螺栓连接的阀兰盖（帽）BEBeveled End (for wel****) 坡口（焊接用）B.E Bell End 承口BEPBoth Ends Plain 两端平BET Both Ends Threaded 两端带螺纹BLBattery Limit 装置区边界BFBlind Flange 法兰盖BLD Blind 盲板BLDG*Buil**** 建筑物BM Bill Of Material 材料表BOPBottom Of Pipe 管底B-PBeveled End —Plain End 坡口端.平端BV Butterfly valve 蝶阀BWG * Birmingham Wire Gage 伯明翰线规BWButt Weld 对焊CCCap管帽C-CCenter to Center中至中C-ECenter to End 中至端面C-FCenter to Face中至面CH-OPChain Operated 链条操纵的CH.PLCheckered Plate花纹钢管C.I*Cast Iron铸铁CL*Class英制压力等级，等级，种类CLEARClearance间隙CODContinued on Drawing 接续图COL*Column 柱，塔CONCConcentric 同心的CONN Connection 连接，接口CONT *Continue 连续CONT.V. Control Valve 控制阀CPLG Coupling 管接头，连轴节C.R.Concentric Reducer 同心异径管C.S.*Carbon Steel碳钢C.S.Cold Spring冷紧在关闭状态下封住在开启状态下封住CUST Customer客C.V Check Valve止回阀DDEG*Degree 度DFDrain funnel 排液漏斗DIA*Diameter 直径DIM*Dimension 尺寸DISCH*Discharge 出口，排出Diaphragm VELVE 隔膜阀DMF Double Male And Female双重凹凸DN*Double Male And Female公称直径DNDown下DRDrain排液DSDirectional Stop定向限为架DWG*Drawing图EE *East东EC External Coating外面涂防腐层ECC Eccentric偏心EFW Electric Fusion Welded电容焊的EL(ELEV) *Elevation标高；立面ELL Elbow弯头EQIOP Equipment设备，装置EQUIVEquivalent相当的E.R.Eccentric Reducer偏心异经管ERWElectric Resistance Welded电阻焊的EWEye Washer & Shower洗眼器及淋浴器EXP.JTExpansion Joint膨胀节FFDN Foundation基础FFFlat Faced Or Full Faced全平面；满平面F-FFace To Face面至面FGW Fusion Gas Wel****气熔焊FIG*Figure图FLFloor楼面FLEXTUBE Flexible Tube挠性管FLGFlange法兰FLGDFlanged法兰式的FLGFFlanged Face法兰面FOBFlat On Bottom底面平FOTFlat On Top顶面平FPFix Point固定点FSForged Steel锻钢FTFFitting To Fitting管件直连FTGFitting管件FURNDFurnished提供的，装设的FWField Weld现伤焊GGGuide导向GA*Gage表，表压，规（线规）GALV*Galvanize镀锌GLGround Level地面GLVGlobe Valve截止阀GEAR OPGear Operated齿轮传动的GMAWGas Metal Arc Wel****金属极惰气体保护焊GSKTGasket垫片GTAW(Inert)Gas Tungsten Arc Wel****惰性气体保护钨极电弧焊GVGate Valve闸阀HHHanger吊架HCHose Connection软管接头H.CPLGHalf Coupling半节管接头HDRHeader总管HEX*Hexagon六角形HFHard Alloy Face on阀内件（阀心）为Valve Trim 硬质合金密封面HHHand Pole手孔HORHorizontal水平的H.P*High Pressure高压HSHose Station软管IID*Inside Diameter内径IN*Inch英寸INSInsulation隔热INSTInstrument仪表INVInvert (inside bottom of pipe)管子内底IPSIron Pipe size铁管尺寸ISOIsometric Drawing周测图（空视图）装置边界内恻ISNSInside screw & Non-rising Stem内螺纹非升杆ISRSInside screw & Rising stem内螺纹升杆JJTJoint接头JSJack Screw顶开（起）螺栓LLCLocked Closed在关闭状态下锁定LEPLarge end plain大端为平的LETLarge end Threaded大端带螺纹LGLong长LGFLens Gasket Face透镜垫连接面左螺纹LIFTLift Type升降式LJLap Joint搭接LJFLap Joint Flange松套法兰LOLocked Open在开启状态下锁定L.P. Low Pressure低压LRLong Radius长半径LRELong Radius Elbow长半径弯头LTGLarge Tongue & Groove大椎槽MMATLMaterial材料MAXMaximum最大MBMachine Bolt机器螺栓（单头）MFMale and Female凸和凹MFGManufacture制造MF*Manufacture制造厂MHManhole人孔MIMalleable Iron可锻铸铁MIN*Minimum最小MJMechanical Joint机械接头M.LMatch Line连续线MSS * Manufacturers Standardization Society of the Valve and Fittings Industry, Inc.美国阀门和管件制造商标准化协会MTOMaterial take-off材料统计MWMinimum Wall最小壁厚M.W.Mineral Wool矿（物）棉NN*North北NBNominal Bore公称孔径N.B.Non-Bonnet无阀盖NCNormally Closed常闭NIPNipple短管NONormally Open;常开*Number号；数量NO INSNo Insulation不隔热NOMNominal公称的；额定的NOZNozzle管口NPSNominal Pipe Size公称管径NPSHNet Positive Suction Head净正吸入压头NPT*American National Taper美国锥管螺纹Pipe ThreadNSNominal Size公称直径NVNeedle Valve针形阀OOD*Outside Diameter外径OETOne end Threaded一端带螺纹OROutside Radius外半径ORFOrifice孔板ORIENTOrientation方位OS & YOutside Screw and Yoke 外螺纹阀杆和阀轭OSNBOutside Screw Non-Bonnet外螺纹无阀盖PPlug堵头PAPPiping Arrangement Plan管道布置平面图PBPressure Seal Bonnet压力密封的阀盖P-BPlain End –Bevel End平端—坡口端PCPressure Seal Cap压力密封的阀帽节圆直径PEPlain End (not beveled)平端（无坡口）PFPlatform平台PIDPiping & Instrument Diagram管道及仪表流程图PN*Nominal Pressure公称压力PNPlant North工厂北向POSpoint of Support支承点P-PPlain End—Plain End两端为平端PREPPreparation加工准备PSIA*Pounds Per Square Inch Absolute磅/ PSIGPounds Per Square Inch Gage磅/PTPoint点PTFE*Polytetrafluoroethylene聚四氟乙烯PT.NOPart No.件号PVPlug Valve旋塞阀PVC*Poly Vinyl Chloride聚氯乙烯QTY*Quantity数量RR *Radius半径REDReducer异径管REFReference参考REINFReinforce加强REQDRequired需要；申请REV *Revision修改RF Raised Face凸面RGRing Gasket环形垫片右螺旋RJRing Joint环垫接头RORestriction Orifice限流孔板RPM*Revolutions Per Minute转/分RPS*Revolutions Per Second转/秒RS Resting Support支承架，滑动架RTJRing Type Joint（见RJ）RV Relief Valve安全泄液阀SS*South南SSpring弹簧（管架用）SAW(Automatic)Submerged Arc Wel****自动埋弧焊SBStud Bolt双头螺栓SBScrewed Bonnet螺纹阀盖SCSample Cooler取样冷却器SCH*Schedule管壁厚系列号SCRDScrewed螺纹SEPSmall end Plain小端为平的SETSmall end Threaded小端带螺纹SFSemi-Finished半光SGSight Glass视镜SHSurface Hard Facing硬质密封面SKSketch草图SMAWShielded Metal Arc Wel****有保护的金属电弧焊SMLS Seamless无缝SNSwaged Nipple异径短管SOSlip – On滑套SOFSlip – On Flange滑套法兰SPEC*Specification规定，说明SPLSound Pressure Lever升压水准SQ*Square方的，平方SRShout Radius短半径SREShort Radius Elbow短半径弯头SS*Stainless Steel不锈钢STSteam Trap蒸汽疏水阀STD*Standard标准STGSmall Tongue & Groove小椎槽面STL*Steel钢STMSteam蒸汽STM.TRSteam Tracing蒸汽拌热SUCTSuction吸入口SVSafety Valve安全泄气阀SWSocket Weld承插焊SWGSwage锻造，模锻SWMGSwing Type旋启式SYMSymmetrical对称的TTTee三通TEThreaded End螺纹端TEMP*Temperature温度TGTongue & Groove椎槽THD*Threaded螺纹的THK*Thickness厚度TLTangent Line切线TNTrue North真实北向TOCTop of Concrete混凝土北向TOPTop of pipe管顶TOSTop of Support支架顶面Top of Steel钢结构顶面TYPTypical典型的UUBUnion Bonnet带活接头的阀盖UCUnion Cap带活接头的阀帽UNUnion活接头VVValve阀VACVacuum真空VARVariable可变的VERTVertical垂直的VOL*Volume卷，册，容量，体积WW*West西WBWeld Branch焊接支管WCWeld Cap焊接管帽WDWidth宽度WEWeld End焊接端WLWel**** Line焊接线WNWel**** Neck对焊法兰（颈部）WNFWeld Neck Flange对焊法兰WPWorking Pressure工作压力W.P.Working Point工作点WTWall Thickness壁厚Weight重量XXHExtra Heavy加强的，加厚的XXHDouble Extra Heavy双倍加强（厚）的XSExtra Strong加强的XXSDouble Extra Strong双倍加强的YYPYield Point屈服点。
机械设备专业英语缩写词
1总则1．1 英文缩写词用在以英文注释的图纸和技术文件中。
用中文注释的图纸和技术文件，除特殊规定外，一般不采用。
1．2 英文缩写词用大写和小写两种字母书写。
在绘制工程设计图纸时，一律采用大写字母。
在编制设计标准（规定）和技术文件时，除非另有规定，应尽量使用在本英文缩写词中给出的形式。
2缩写词缩写英文中文AB Anchor Bolt 地脚螺栓Abs Absolute 绝对的Abs Abstract 文摘、摘要A/C Account 帐、帐目AC Alternating Current 交流电Add Addendum 补充、补遗、附录ADL Acceptable Defect Level 允许的缺陷标准Adpt Adapter 连接器、接头AE Absolute Error 绝对误差AET Acoustic Emission Examination 声发射检验美国钢结构学会AISC American Institute of SteelConstruction美国钢铁学会AISI American Iron and SteelInstituteAL Aluminium 铝Alk Alkaline 碱的、强碱的ALM Alarm 报警Alt Alternate 交流、改变Amb Ambient 周围的Amt Amount 数量、金额Anh Anhydrous 无水的ANSI American National StandardInstitute美国国家标准学会API American Petroleum Institute 美国石油学会App Apparatus 设备App Appendix 附录、补遗Appl Applied 应用的Appl Applicable 适当的、合适的Approx Approximate 大约、近似Appx Appendix 附录、附件Arrgt Arrangement 布置AS Alloy steel 合金钢Asb Asbestos 石棉ASL Above Sea Level 海拔高度ASM American Society for Metals 美国金属学会ASME American Society of MechanicalEngineers 美国机械工程师学会Assem Assembly 装配ASTM American Society for Testingand Materials美国材料试验学会Atm Atmosphere 大气atm Atmosphere pressure 大气压Auto Automatic 自动Aux Auxiliary 辅助设备、辅助的Avail Available 有效的、可用的Avg Average 平均AW Arc welding 电弧焊AW Automatic Welding 自动焊Wire Gauge 美国线规AWS(AWI) American Welding美国焊接学会Society(Institute)BAB Babbitt Metal 巴氏合金Baf Baffle 折流板、缓冲板BB Ball Bearing 滚珠轴承BC Between Centers 中心距、轴间距BC Bolt circle 螺栓中心圆BD Blow down 放空、放料BEDD Basic engineering design data 基础工程设计数据Bet Between 在…之间Bev Bevel 斜角、坡口BF Back face 背面、反面BF Blind flange 法兰盖（盲法兰）BHN Brinell hardness number 布氏硬度值BL Battery Limit 界区BL Battery Line 界区线B/L Bill of Loading 载荷数据表Bld Blind 盲板Blk Black 黑色Blk Blank 空白BM Bench Mark 基准标志BM Bending Moment 弯矩B/M (BOM) Bill of Material 材料表Bot Bottom 底BP Back Pressure 背压BP Base plate 底板BR Basic Requirements 基本要求BRG Bearing 轴承BRKT Bracket 支架Brs Brass 黄铜BS Both Side 两边BS British Standard 英国标准BS Balance Sheet 平衡表Bskt Basket 筐BTU British Thermal Unit 英国热量单位BV Back View 后视图BV Butterfly Valve 碟阀BW Brine Vater 冷冻盐水BW Butt Welding 对焊BWG Birmingham Wire Gauge 伯明翰线规BWRA. British Welding Research英国焊接研究协会AssociationC Centigrade(degree) 摄氏度数CA Chemical Analysis 化学分析CA Corrosion Allowance 腐蚀裕量Calc Calculate 计算Cap Capacity 能力、容量CAS Cast Alloy Steel 铸造合金钢Cat Catalyst 触媒、催化剂Catg Catalog 目录、样本C-C(C/C) Center to center 中心距cc carbon copy 复写（纸复制）本cc cubic centimeter 立方厘米CCW Counter clockwise 反时针方向CD Cold Drawn 冷拉的、冷拔的CE Covered Electrode 焊条Cent Centrifugal 离心的CF Centrifugal Force 离心力CFW Continuous Fillet Weld 连续角焊缝CG Center of Gravity 重心CH Case-Hardening 表面硬化Ch Chapter 章节Cham Chamfer 倒角、斜角、斜面Chan Channel 通道、沟槽、管箱、槽钢Chk Check 检查CI Cast Iron 铸铁CIF Cost， Insurance and Freight 到岸价格Circ Circumference 圆周、环向CL Class 等级、类别CL Center Line 中心线CL Clearance 间隙CLAS Cast Low Alloy Steel 低合金铸钢CM Center of Mass 质量中心Cnds Condensate 冷凝液CO Clean Out 清除Co Company 公司Coef Coefficient 系数Col Column 柱、塔Comb Combination 组合Comp Compare 比较Comp Compound 化合物、复合的Compn Composition 组分Conc Concrete 混凝土Conc Concentration 浓度Cond Conductor 导体Cond Condition 条件Conn Connection 联接、接口Const Constant 常数、恒定的Const Construction 结构Cont Control 控制Cont Contain 包含Cont Content 内容、含量Corp Corporation 公司Corr Corrosion 腐蚀CP Centipoise 厘泊CP Center of Pressure 压力中心Cpl Coupling 管箍Cplg Coupling 联轴节CR Chloroprene Rubber 氯丁橡胶CS Carbon Steel 碳钢CS Center Section 中心截面CSTG Casting 铸造、铸件Ctr Center 中心CW Cooling Water 冷却水CW Continuous Welding 连续焊Cy Cycle 循环Cyl Cylinder 气缸、圆筒D Density 密度Dbl Double 二倍、双DEDD Detail Engineering Design Data 详细工程设计数据Def Definition 定义Deg Degree 度、等级Dept Department 部门Des Design 设计Det Detail 详细Detn Determination 确定、决定Dev Deviation 偏差Dev Device 装置DF Design Formula 设计公式Df Deflection 偏斜Dia Diameter 直径Diag Diagram 图Dim Dimension 尺寸Dir Direction 方向Disch Discharge 排出、出口Distr Distribution 分布Div Division 部分、区分DL Dead load 静载荷、自重Doc Document 文件、资料DP Design Pressure 设计压力DP Differential Pressure 压差、分压Dr Drill 钻孔Dr Drive 驱动DW Dead weight 静重、自重DW Demineralized Water 脱盐水Dwg Drawing 图E East 东EC Elasticity Coefficient 弹性系数Ecc Eccentric 偏心EF Electric Furnace 电炉Eff Efficiency 效率eg exempli gratia 例如EHP Effective Horsepower 有效功率EJ Expansion joint 膨胀节EL Elevation 标高Elb Elbow 弯头Elec Electric 电的Elem Element 元素、元件Ellip Ellipsoidal 椭球的、椭圆的Emer、Emerg Emergency 事故、紧急Encl Enclosure 密封、封闭Engrg、Eng Engineering 工程、设计EP Explosion Proof 防爆Eq Equipment 设备Eq Equation 公式、方程式Eq Equivalent 当量ES Electrostatic 静电EST Estimate 估计ESW Electro-Slag Welding 电渣焊ET Eddy Current Examination 涡流检验etc et cetera (and so on) 等等Evap Evaporate 蒸发Ex Example 例如Ex Excess 过剩、超过Exam Examination 检验Exh Exhaust 废气、排气Exp Expansion 膨胀Exptl Experimental 实验的Ext External 外部Ext Extreme 极端的FAO Finish All Over 全部加工FAX Facsimile 传真FB Flat Bar 扁钢FCAW Flux Cored Arc Welding 熔剂芯弧焊（手工焊）Fdn Foundation 基础FDW Feed Water 给水FF Flat Face 平面F/F Field Fabricated 现场制造Fig Figure 图Fin Finish 加工、完成FL Full Load 满载Flex Flexible 挠性Flg Flange 法兰FOB Free On Board 离岸价格FOC Free Of Charge 免费Forg Forging 锻件FOS Factor Of Safety 安全系数FREQ Frequency 频率FST Forged Steel 锻钢Ft Feet 英尺Ftg Fitting 管件、装配. Full Vacuum 全真空FW Fresh Water 新鲜水FW Field Weld 现场焊接FW Fillet Weld 角焊缝GA Gal General AverageGallon平均值加仑Gen General 一般、总的Genr Generator 发电机、发生器GF Groove Face 槽面Gl Glass 玻璃GL Ground Level 地面标高GMAW Gas Metal Arc Welding 气体保护金属极电弧焊Gnd Ground 接地、地面Govt Government 政府GP General Purpose 一般用途、通用Gr Grade 等级Gr Gravity 重力Grd Ground 地面Grp Group 分组、类Gr- wt Gross weight 总重、毛重HB Brinell Hardness 布氏硬度HC Hydrocarbon 烃类HC High Capacity 大容量HD Head 压头Hex Hexagon 六角HH Hand Hole 手孔Hor Horizontal 水平、卧式hp Horsepower 马力HP High Pressure 高压HR Rockwell Hardness 洛氏硬度HR(hr) Hour 小时HRC Rockwell C Hardness C级洛氏硬度HS High Pressure Steam 高压蒸汽HS Shore Scleroscope Hardness 肖氏硬度HSC High Pressure Condensate 高压蒸汽凝液HT High Temperature 高温HT Heat Treatment 热处理HT Hydrostatic Test 水压试验HV Vickers Hardness 维氏硬度Hvy Heavy 重的、重型的HW Hot Water 热水ICW Inter Cooling Water 中间冷却水ID Inside Diameter 内径IF Interface 交接面Illus Illustration 说明、图解IN Inlet 进口in Inch 英寸incl Including 包括Ind Indicate 指示Ins Insulation 保温INSP Inspection 检验Instl Installation 安装Int Internal 内部的Int Intermediate 中间的Intmt Intermittent 间歇的、间断的I/O Input/Output 输入/输出Jt Joint 连接、接头KG Kilogram 公斤KW(kw) Kilowatt 千瓦LAS Low Alloy Steel 低合金钢lb pound 磅LC Level Control 液位控制器Leng Length 长度LF Female Face 凹面Lg Long 长的LG Level Glass 液位计LH Left Hand 左手Lin Linear 线性的Liq Liquid 液体Lj Lap joint 搭接LJ Lapped Joint 松套LM Male Face 凸面对数平均温差LMTD Logarithmic Mean TemperatureDifferenceLN Liquid Nitrogen 液氮LN Level Normal 正常液位Lng Lining 衬里LNG Liquefied Natural Gas 液化天然气Lo Lubrication oil 润滑油Lo Low 低LOA Length Over-All 全长\总长LOC Location 位置Log Logarithm(to the base 10) 对数（以10为底）Long Longitudinal 纵向LP Low Pressure 低压LPG Liquefied Petroleum Gas 液化石油气LT Low Temperature 低温LT Leak Testing 气密试验Ltd Limited 有限Ltr Letter 字母、信Lub Lubricate 润滑LW Lap Welding 搭接焊LWN Long Welding Neck 对焊长颈LWS Longitudinal Welded Seam 纵向焊缝M(m) Meter 米、公尺Mach Machine 机器Maint Maintenance 维修Mat(Mat’l) Material 材料最大允许工作压力MAWP Maximum Allowable WorkingPressureMax Maximum 最大最低设计金属温度MDMT Min. Design MetallicTemperatureMech Mechanical 机械的Mfd Manufactured 制造的Mfr Manufacturer 制造商MG(mg) Milligram 毫克MH Manhole 人孔MI Melt Index 熔融指数MIG Metal Inert Gas Arc Welding 熔化极惰性气体保护焊Min Minimum 最小MIN(min) Minute 分钟MJG Metallic Jacketed Gasket 金属包复垫片Mk Mark 标志ml Milliliter 毫升mm Millimeter 毫米MP Medium Pressure 中压MPC Maximum Permissible最大许用浓度ConcentrationMS Medium Pressure Steam 中压蒸汽MS Medium Steel 中碳钢MSL Mean Sea Level 平均海平面MT Magnetic Particle Examination 磁粉检测MTD Mean Temperature Difference 平均温差Mtd Mounted 安装、装配MTR Material Testing Report 材料试验报告MU Measurement Unit 测量单位MV Mean Value 平均值MW Mineral Wool 矿渣棉N North 北NA Not Applicable 不适用的NAT Natural 天然的Natl National 国家的NC America National Coarse Thread 美制粗牙螺纹NDT Nondestructive Testing 无损检验Neg Negative 负NF American National Fine Thread 美国细牙螺纹Nip Nipple 螺纹管接头、短节Nom Nominal 名义Nor Normal 正常NOZ Nozzle 接管NPS American Standard Straight Pipe美国标准直管螺纹Thread有效汽蚀裕量NPSHA Net Positive Suction HeadAvailable要求汽蚀裕量NPSHR Net Positive Suction HeadRequiredNPT American Standard Taper Pipe美国标准锥管螺纹ThreadNT Net Tonnage 净吨数NTP Normal Temperature and Pressure 标准温度和压力NTS Not To Scale 不按比例Num Number 数、编号、号码Obj Object 目标、对象OC Operating Characteristic 操作特性OD Outside Diameter 外径OH Open Hearth 平炉Oper Operating 操作Opp Opposite 对面、相反OR Outside Radius 外半径OR Outside Ring 外环Orien Orientation 方位Ovhd Overhead 高架的、顶部的Oxyg Oxygen 氧P Page 页P Pressure 压力Par Parallel 平行Para Paragraph 节、段Pc Piece 件PE Polyethylene 聚乙烯PFD Process Flow Diagram 工艺流程图Perform Performance 性能PF Power Factor 功率因素PID Piping & Instruments Diagram 管道和仪表流程图Pl Plate 板Pneum Pneumatic 气、气动PO Purchase Order 订货单Port Portable 便携式、轻便Posit Positive 正Posit Position 位置ppb Parts per billion 十亿分之几ppm Parts per million 百万分之几Prod Product 产品Proj Project 项目、工程PS Polystyrene 聚苯乙烯psf Pounds per square feet 磅/平方英尺psi Pounds per square inch 磅/平方英寸PT Liquid Penetrants Examination 液体渗透检测PTFE Polytetrafluoroethylene 聚四氟乙烯PVA Polyvinyl Acetate 聚醋酸乙烯PVAL Polyvinyl Alcohol 聚乙烯醇PVC Polyvinyl Chloride 聚氯乙烯PWHT Post Weld Heat Treatment 焊后热处理QA Quality Assurance 质量保证QC Quality Control 质量控制Qty Quantity 数量Qual Quality 质量R Radius 半径Rad Radial 径向RC Rockwell Hardness 洛氏硬度Recip Reciprocate 往复式Recirc Recirculate 再循环Recom Recommended 建议、推荐Ref Reference 参照、基准Refract Refractory 耐火材料Reg Regulator 调节器Regen Regenerator 再生器、再生塔Reinf Reinforce 加强Rel Relative 相对Rep Report 报告Rep Repeat 重复Reqd Required 要求、需要的REV Revision 修改、版次Rev Review 评论、检查Rev Revolution 旋转、转数RF Raise face 突台面RH Relative Humidity 相对湿度RH Right Hand 右手RMS Root Mean Square 均方根ROT Rotating 旋转rpm revolutions per minute 转/分rps revolutions per second 转/秒RT Radiographic Examination 射线照相检验S South 北SAW Submerged Arc Welding 埋弧焊Sc Scale 刻度、比例SC Standard Condition 标准状态（温度压力）SCH Schedule 表号、管厚号、进度Sec Second 秒Sec Section 剖面、节、段Seg Segment 节、段Sep Separator 分离器Seq Sequence 次序、顺序SG Specific Gravity 比重SHP Shaft Horsepower 轴马力SI Standard International 国际单位制Sig Signal 信号Sld Solid 固体SMAW Shield Metal Arc Welding 手工焊Smls Seamless 无缝的SO Slip on 平焊（法兰）Sol Solution 溶液SP Spare parts 备件Sp Special 特殊的、专门的SP Static pressure 静压力Spec Specification 说明、规定SpGr Specific Gravity 比重Sq Square 方形、平方SR Stress Relief 消除应力SS Stainless Steel 不锈钢Sta Station 站STD Standard 标准STDWT Standard Weight 标准重量STL Steel 钢标准温度和压力STP Standard Temperature andPressureSuc Suction 吸入Suppl Supplement 补充SW Shop Welding 车间焊接SW Spot Weld 点焊SW Socket Welding 承插焊（法兰）SWP Safety Working Pressure 安全工作压力SYM Symbol 符号、标志SYM Symmetry 对称SYS System 系统T Ton 吨TC Tungsten Carbide 碳化钨Tech Technique 技术TEMA Tubular Exchanger ManufacturersAssociation 管壳式换热器制造商协会（美国）Temp Temperature 温度Term Terminal 终端、接头Thk Thickness 厚度TIG Tungsten Inert Gas Arc Welding 钨极惰性气体保护焊TL Tangent line 切线Tol Tolerance 公差Tot Total 总Trans Transfer 输送器TW Total Weight 总重TW Tack Welding 定位焊Typ Typical 典型、标准UNC Unified National Coarse Thread 统一标准粗牙螺纹UNF Unified National Fine Thread 统一标准细牙螺纹US Undersize 尺寸过小UT Ultrasonic Examination 超声波探伤UTS Ultimate Tensile Strength 抗拉强度极限Vac Vacuum 真空Vap Vapor 蒸汽Var Variable 变化、变量Vel Velocity 速度Vert Vertical 垂直Vol Volume 体积VT Visual Testing 宏观（目测）检查W Watt 瓦WL Welding Line 焊缝线WL Water Line 水线WPS Welding Procedure Specification 焊接工艺规程WP Working Pressure 工作压力WRC Welding Research Committee 焊接研究委员会（美国）WS Water Supply 供水WT Weight 重量W/V Wind Velocity 风速XR X-Ray X射线Yd Yard 码YP Yield Point 屈服点Yr Year 年。
机械专用英文缩写
A *Anchor固定ABS*Absolute绝对的AISI*American Iron and Steel Institute美国钢铁学会ANSI*American National Standards Institute美国国家标准学会API*American Petroleum Institute美国石油学会APPROX*Approximate大约，近似的ASB*Asbestos石棉ASME*American Society Of Testing Material美国机械工程师协会ASSY*Assembly装配，组装ASTM*American Society Of Testing Material美国材料实验协会ATM*Atmosphere大气压AWG*American Wire Gage美国线规AWS *American Wel**** Society美国焊接协会AWWA *American Water Works Association 美国水工协会BBBBolted Bonnet 栓柱连接的阀盖BBBy Buyer 买方供货B-BBeveled End-Beveled End 两端为坡口端BC Bolt Circle 螺栓中心圆B.C Bolted Cover(cap) 螺栓连接的阀兰盖（帽）BEBeveled End (for wel****) 坡口（焊接用）B.E Bell End 承口BEPBoth Ends Plain 两端平BET Both Ends Threaded 两端带螺纹BLBattery Limit 装置区边界BFBlind Flange 法兰盖BLD Blind 盲板BLDG*Buil**** 建筑物BM Bill Of Material 材料表BOPBottom Of Pipe 管底B-PBeveled End —Plain End 坡口端.平端BV Butterfly valve 蝶阀BWG * Birmingham Wire Gage 伯明翰线规BWButt Weld 对焊CCCap管帽C-CCenter to Center中至中C-ECenter to End 中至端面C-FCenter to Face中至面CH-OPChain Operated 链条操纵的CH.PLCheckered Plate花纹钢管C.I*Cast Iron铸铁CL*Class英制压力等级，等级，种类CLEARClearance间隙CODContinued on Drawing 接续图COL*Column 柱，塔CONCConcentric 同心的CONN Connection 连接，接口CONT *Continue 连续CONT.V. Control Valve 控制阀CPLG Coupling 管接头，连轴节C.R.Concentric Reducer 同心异径管C.S.*Carbon Steel碳钢C.S.Cold Spring冷紧在关闭状态下封住在开启状态下封住CUST Customer客C.V Check Valve止回阀DDEG*Degree 度DFDrain funnel 排液漏斗DIA*Diameter 直径DIM*Dimension 尺寸DISCH*Discharge 出口，排出Diaphragm VELVE 隔膜阀DMF Double Male And Female双重凹凸DN*Double Male And Female公称直径DNDown下DRDrain排液DSDirectional Stop定向限为架DWG*Drawing图EE *East东EC External Coating外面涂防腐层ECC Eccentric偏心EFW Electric Fusion Welded电容焊的EL(ELEV) *Elevation标高；立面ELL Elbow弯头EQIOP Equipment设备，装置EQUIVEquivalent相当的E.R.Eccentric Reducer偏心异经管ERWElectric Resistance Welded电阻焊的EWEye Washer & Shower洗眼器及淋浴器EXP.JTExpansion Joint膨胀节FFDN Foundation基础FFFlat Faced Or Full Faced全平面；满平面F-FFace To Face面至面FGW Fusion Gas Wel****气熔焊FIG*Figure图FLFloor楼面FLEXTUBE Flexible Tube挠性管FLGFlange法兰FLGDFlanged法兰式的FLGFFlanged Face法兰面FOBFlat On Bottom底面平FOTFlat On Top顶面平FPFix Point固定点FSForged Steel锻钢FTFFitting To Fitting管件直连FTGFitting管件FURNDFurnished提供的，装设的FWField Weld现伤焊GGGuide导向GA*Gage表，表压，规（线规）GALV*Galvanize镀锌GLGround Level地面GLVGlobe Valve截止阀GEAR OPGear Operated齿轮传动的GMAWGas Metal Arc Wel****金属极惰气体保护焊GSKTGasket垫片GTAW(Inert)Gas Tungsten Arc Wel****惰性气体保护钨极电弧焊GVGate Valve闸阀HHHanger吊架HCHose Connection软管接头H.CPLGHalf Coupling半节管接头HDRHeader总管HEX*Hexagon六角形HFHard Alloy Face on阀内件（阀心）为Valve Trim 硬质合金密封面HHHand Pole手孔HORHorizontal水平的H.P*High Pressure高压HSHose Station软管IID*Inside Diameter内径IN*Inch英寸INSInsulation隔热INSTInstrument仪表INVInvert (inside bottom of pipe)管子内底IPSIron Pipe size铁管尺寸ISOIsometric Drawing周测图（空视图）装置边界内恻ISNSInside screw & Non-rising Stem内螺纹非升杆ISRSInside screw & Rising stem内螺纹升杆JJTJoint接头JSJack Screw顶开（起）螺栓LLCLocked Closed在关闭状态下锁定LEPLarge end plain大端为平的LETLarge end Threaded大端带螺纹LGLong长LGFLens Gasket Face透镜垫连接面左螺纹LIFTLift Type升降式LJLap Joint搭接LJFLap Joint Flange松套法兰LOLocked Open在开启状态下锁定L.P. Low Pressure低压LRLong Radius长半径LRELong Radius Elbow长半径弯头LTGLarge Tongue & Groove大椎槽MMATLMaterial材料MAXMaximum最大MBMachine Bolt机器螺栓（单头）MFMale and Female凸和凹MFGManufacture制造MF*Manufacture制造厂MHManhole人孔MIMalleable Iron可锻铸铁MIN*Minimum最小MJMechanical Joint机械接头M.LMatch Line连续线MSS * Manufacturers Standardization Society of the Valve andFittings Industry, Inc.美国阀门和管件制造商标准化协会MTOMaterial take-off材料统计MWMinimum Wall最小壁厚M.W.Mineral Wool矿（物）棉NN*North北NBNominal Bore公称孔径N.B.Non-Bonnet无阀盖NCNormally Closed常闭NIPNipple短管NONormally Open;常开*Number号；数量NO INSNo Insulation不隔热NOMNominal公称的；额定的NOZNozzle管口NPSNominal Pipe Size公称管径NPSHNet Positive Suction Head净正吸入压头NPT*American National Taper美国锥管螺纹Pipe ThreadNSNominal Size公称直径NVNeedle Valve针形阀OOD*Outside Diameter外径OETOne end Threaded一端带螺纹OROutside Radius外半径ORFOrifice孔板ORIENTOrientation方位OS & YOutside Screw and Yoke 外螺纹阀杆和阀轭OSNBOutside Screw Non-Bonnet外螺纹无阀盖PPPlug堵头PAPPiping Arrangement Plan管道布置平面图PBPressure Seal Bonnet压力密封的阀盖P-BPlain End –Bevel End平端—坡口端PCPressure Seal Cap压力密封的阀帽节圆直径PEPlain End (not beveled)平端（无坡口）PFPlatform平台PIDPiping & Instrument Diagram管道及仪表流程图PN*Nominal Pressure公称压力PNPlant North工厂北向POSpoint of Support支承点P-PPlain End—Plain End两端为平端PREPPreparation加工准备PSIA*Pounds Per Square Inch Absolute磅/ PSIGPounds Per Square Inch Gage磅/PTPoint点PTFE*Polytetrafluoroethylene聚四氟乙烯PT.NOPart No.件号PVPlug Valve旋塞阀PVC*Poly Vinyl Chloride聚氯乙烯QQTY*Quantity数量RR *Radius半径REDReducer异径管REFReference参考REINFReinforce加强REQDRequired需要；申请REV *Revision修改RF Raised Face凸面RGRing Gasket环形垫片右螺旋RJRing Joint环垫接头RORestriction Orifice限流孔板RPM*Revolutions Per Minute转/分RPS*Revolutions Per Second转/秒RS Resting Support支承架，滑动架RTJRing Type Joint（见RJ）RV Relief Valve安全泄液阀SS*South南SSpring弹簧（管架用）SAW(Automatic)Submerged Arc Wel****自动埋弧焊SBStud Bolt双头螺栓SBScrewed Bonnet螺纹阀盖SCSample Cooler取样冷却器SCH*Schedule管壁厚系列号SCRDScrewed螺纹SEPSmall end Plain小端为平的SETSmall end Threaded小端带螺纹SFSemi-Finished半光SGSight Glass视镜SHSurface Hard Facing硬质密封面SKSketch草图SMAWShielded Metal Arc Wel****有保护的金属电弧焊SMLS Seamless无缝SNSwaged Nipple异径短管SOSlip –On滑套SOFSlip –On Flange滑套法兰SPEC*Specification规定，说明SPLSound Pressure Lever升压水准SQ*Square方的，平方SRShout Radius短半径SREShort Radius Elbow短半径弯头SS*Stainless Steel不锈钢STSteam Trap蒸汽疏水阀STD*Standard标准STGSmall Tongue & Groove小椎槽面STL*Steel钢STMSteam蒸汽STM.TRSteam Tracing蒸汽拌热SUCTSuction吸入口SVSafety Valve安全泄气阀SWSocket Weld承插焊SWGSwage锻造，模锻SWMGSwing Type旋启式SYMSymmetrical对称的TTTee三通TEThreaded End螺纹端TEMP*Temperature温度TGTongue & Groove椎槽THD*Threaded螺纹的THK*Thickness厚度TLTangent Line切线TNTrue North真实北向TOCTop of Concrete混凝土北向TOPTop of pipe管顶TOSTop of Support支架顶面Top of Steel钢结构顶面TYPTypical典型的UUBUnion Bonnet带活接头的阀盖UCUnion Cap带活接头的阀帽UNUnion活接头VVValve阀VACVacuum真空VARVariable可变的VERTVertical垂直的VOL*Volume卷，册，容量，体积WW*West西WBWeld Branch焊接支管WCWeld Cap焊接管帽WDWidth宽度WEWeld End焊接端WLWel**** Line焊接线WNWel**** Neck对焊法兰（颈部）WNFWeld Neck Flange对焊法兰WPWorking Pressure工作压力W.P.Working Point工作点WTWall Thickness壁厚Weight重量XXHExtra Heavy加强的，加厚的XXHDouble Extra Heavy双倍加强（厚）的XSExtra Strong加强的XXSDouble Extra Strong双倍加强的YYPYield Point屈服点。
机械术语缩写培训版
Inner ring
17. OR 外定位环
Outer ring
机械术语缩写
坚固件
1. B
螺栓
Bolt
2. S B 螺柱
Stud bolt
3. NU
螺母
Nut
4. TB
花蓝螺母 Turnbuckle
5. WSR 垫圈
Washer
6. SWSR 弹簧垫圈 Spring washer
机械术语缩写
阀门
1. GV 闸阀 Gate valve 2. GLV 截止阀 Globe valve 3. CHV 止回阀 Check valve 4. BUV 蝶阀 Butterfly valve 5. BAV 球阀 Ball valve 6. PV 旋塞阀 Plug valve (cock)
Cast steel
4. FS 锻钢
Forged steel
5. AS 合金钢 Alloy steel
6. SS 不锈钢 Stainless steel
机械术语缩写
7. AUST 8. CI 9. MI 10. DI 11. AL 12. BRS 13. BRZ
奥氏体不锈钢 Austenitic stainless-steel
7 . REDF 异径法兰 Reducing flange
机械术语缩写
8. BF 法兰盖（日法兰） Blind flange
9. FSF 法兰密封面 Flange scaling face
10. FF 全平面
Flat face
11. RF 凸台面
Raised face
12. MFF 凹凸面
Male and female face
机械加工英文缩写_LT
机械加工英文缩写ANGLE 角度
ALL ROUND 周边，全周
BOT (BOTT) 底部
CB 沉头孔
CL 中心线
C+0.02 单边放大0.02间隙chamfer(C) 倒角
CA(NCA) 清角（不清角）CENTER(CEN) 中心，圆心
DWG NO 图号
DEEP(DEP) 深度
EDGE 刀口
ECN NO 设变号码
EWL (newl) 清线头（不清线头）FINISH 硬度
GAP 单边间隙
HEIGHT 高度
HATCHING 阴影线
HEAT TREATMENT 热处理
INSERT 入块
LARGE 大端
LEFT 左
MM 螺纹的规格MARK 记号标记MATEL 材料材质MAX 最大值MIN 最小值NAME 名称
NEF 特别攻牙NRT 新制管牙NATURE R 自然R NG 粗牙
NF 细牙
PART NO 料号PUNCH 冲头PIERCE PUNCH 落料冲头PCS 个，块，件Q'TY 数量
REF 参考
REV 版次RIGHT 右
SYM 中心对齐SMALL 小端
S 落料斜度SCALE 比例SECTION A-A 剖视A-A SHEET 表单，页次SURFACE 表面
TAP 攻牙，功丝TYP 相同，尺寸一致THRU(THR) 贯穿
TOP 顶部
THICK 厚度TAPPER 锥度斜度
TAN 切点
TAP1/2NPT 1/2英制管牙UNIT 单位
VIWE A 视图A
SECA-A A-A剖视。
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ACCESS Accessory 附件ADJ Adjustable,Adjust 调整ADPT Adapter 使适应ADV Advance 提前AL Aluminum 铝ALLOW Allowance 允许ALT Alternate 改变ALY Alloy 合金AMT Amout 数量ANL Anneal 锻炼ANSL Amer Natl Stds InstituteAPPROX Approximate 大约ASME Amer Society of Mech EngrsASSEM Assemble 装配ASSY Assembly 装配AUTH Authorized 授权的AUTO Automatic 自动的AUX Auxiliary 辅助的AVG Average 平均AWG American Wire Gauge BC Bolt Circle 螺栓圆周BET Between 之间BEV Bevel 斜角BHN Brinell Hardness Number 布氏硬度值BLK Blank ,Block 空白B/NM Bill of Material 材料费BOT Bottom 底部BP or B/P Blueprint 蓝图BRG Bearing 轴承BRK Break 破裂BRKT Bracket 支架BRO Broach 钻孔BRS Brass 黄铜BRZ Bronze 青铜B＆S Brown＆Shape 棕色＆形状BSC Basic 基本的BUSH Bushing 套管BWG Birmingham Wire GaugeC TO C Center-to-Center 中心到中心CAD Computer-Aided Drafting 电脑辅助设计CAM Computer-Aided MfgCAP Capacity 容量CAP SCR Cap Screw 螺帽CARB Carburize 使渗碳CBORE Counterbore 扩孔CCW Counter Clockwise 逆时针CDRILL CounerdrillCDS Cold-Drawn SteelEFF Effective 有效的ENCL Enclose,Enclosure 附上ENG Engine 引擎ENGR Engineer 工程师ENGRG Engineering 工程学EQLSP Equally Spaced 等距EQUIV Equivalent 相等EST Estimate 估计EX Extra 额外EXH Exhaust 消耗EXP Experimental 实验性的EXT Exension,External 范围,外部FAB Fabricate 伪造FAO Finish All OverFDRY Foundry 铸造FIG Figure 数据FIL Fillet,fillister 带子FIM Full Indicator MovementFIN FinishFLX Fixture 结构FLX ,Flush 基地,液体,冲洗FLEX Flexible 易弯曲的FLG Flange 边缘FORG Forging 锻炼FR Frame,Front 边框FIG Fitting 装置FURN Furnish 提供FWD Forward 向前GA Gage,Gauge 测量GALV Galvanized 电镀GR Grade 等级GRD Grind 磨碎GRV Groove 凹槽GSKT Gasket 垫圈H＆G Harden and Grind 加硬和磨碎HD Head 主要的HDL Handle 处理HDLS Headless 无领导的HDN Harden 使硬化HDW Hardware 硬件HEX Hexagon 六边形HGR Hanger 衣架HGT Height 高度HOR Horizontal 水平的HRS Hot-Rolled SteelHSG Housing 外罩HT TR Heat TrealNTS Not to ScaleOA Over All 所有OBS ObsotetcOC On CenterOD Outside Diameter 外直径OPP Opposite 对立OPTL Optional 可选择的OR Outside Radius 外半径ORIG Original 初始的PAT. Patent 专利PATT Pattern 形式PC Piece,Pitch Circle 件，节距圆PCH Punch 打孔PD Pitch DiameterPERF Perforate 打孔PERM Permanent 永久的PERP Perpendicular 垂直的PFD Preferred 首选的PKG Package,Packing 包装PL Parting Line,Places,PlatePNEU PncumaticPNL Panel 面板POL Polish 磨光POS Position,Postive 位置PR Pair 对立PRI Primary 基本的PROC Process 程序PROD Product,Production 产品，产量PSI Pounds per Square InchPT Part,Point 零件，点QTR Quarter 四份之一QTY Quantity 数量QUAL Quality 质量R Radius 半径RA Rockwell Harden,A-ScaleRB Rockwell Harden,B-ScaleRC Rockwell Harden,C-ScaleRECD Received 巳收到的RECT Rectangle 长方形REF Reference 相关的REINF Reinforce 增强REL Release,Relief 释放，缓解REM Remove 移除REQD Requird 有需要REE Retainer,ReturnREV Reverse,Revision,RevolutionRFS Regardless of Feature SizeRGH Rough 粗糙的RH Right Hand 右手RIV Rivet 起皱RM Ream 扩展RND Round 周围RPM Revolutions per MinuteRPW Resistance Projection WeldSAE Society of Automotive EngrsSCH Schedule 进度表CFS Cold-Finished SteelCH Case HardenCHAM Chamfer 斜面CHAN Channel 渠道CHG Change 改变CHK Check 核查CI Cast Iron 铸铁CIR Circle, Circular 圆周CIRC Circumference 圆周CL Centerline 中心线CLP Clamp 夹子CNC Computer Numerical Control 电脑数值控制COMB Combination 联合COML Commercial 商业的CONC Concentric 同中心的CONN Connect,Connector 连接器COV Cover 盖子CPLG Coupling 联结CQ Commercial Quality 商业等级钢CRS Cold Stds AssociationCRT Cathode Ray Tube 阴级射线管CS Cast Steel 铸铁CSA Canadian Stds AssociationCSK Countersink 埋头孔CSTG Casting 铸件CTR Center 中心CU Cubic 立方米CW Clockwise 顺时针CYL Cylinder,Cylindrical 柱面DBL Double 双倍DEC Decimal 小数DEG Degree 摄氏度DET Detail 详情DEV Develop 发展DFT Draft 草稿DIA Diameter 直径DIM Dimension 尺寸DIST Distance 距离DN Down 向下DP Deep,Diametral Pitch 深度,径节DR Drill,Drill Rod 钻孔DSGN Design 设计DVTL Dovetail 吻合DWG Drawing 图纸DWL Dowel 木钉DWN Drawn 拔出EA Each 每个ECC Eccentric 古怪HVY Heavy 重量HYD Hydraulic 水压ID Inside Diameter 内部直径IDENT Identification 鉴定ILLUS Illustration 说明IN Inch 英寸INCL Include,Including 包括INCR Increase 增加INFO Information 信息INSP Inspect 检查INSTL Install 安装INST Instruct,Instrument 指示,工具INT Interior,Internal,Intersect 内部的,内在的,交叉IR Inside Radius 内部半径ISO Internal Stds Organization 国际标准化组织JCT Junction 连结JNT Journal 杂志JT Joint 连接K Key 关键KNRL Knurl 硬节KST KeyseatKWY Keyway 键沟LB Pound 英镑LBL Label 标签LG Length,Long 长度LH Left Hand 左手LMC Least Material ConditionLOC Locate 位于LT Light 光LTR Letter 信LUB Lubricate 润滑MACH Machine 机器MAINT Maintenance 维护MATL Material 材料MAX Maximum 最大MECH Mechanical,Mechanism 机械MED Medium 媒介MFG Manufacturing 制造业MI Malleable Iron 可锻造的铁MIN Minimum, Minute 最小，秒MISC Miscellaneous 混杂的MM Millimeter 毫米MMC Max Material ConditionMS Machine SteelMTG Mouting 装备MULT Multiple 倍数MWG Music Wire GagugNA Not Applicable 不可应用的NATL National 国内的NC Numerical Control 数字电脑控制NEG Negative 忽略的NO. Number 号码NOM Nominal 名义上的NPSM Natl Pipe Straight MechNPT Natl Pipe TaperedSCR Screw 螺丝SEC Second 秒SECT Section 部分SEP Separate 独立SEQ Sequence 顺序SER Serial,Series 系列SERR Serrate 锯齿状SF SpotfaceSFT Shaft 轴SGL Single 单个SH Sheet 纸SI Intl System of UnitsSL Slide 使滑动SLV Sleeve 袖子SOC Socket 插座SP Space,Spaced,Spare 空间SPL Special 特别SPEC Specification 规格SPG Spring 跳SPHER Spherical 球体SPRKT Sprocket 链轮齿SQ Square 平方SST Stainless Steel 纯铁STD Standard 标准STK Stock 存货STL Steel 铁STR Straight,Strip 直的SUB Substitute 替代物SUP Supply,Support 供应SURF Surface 表面SYM Symmetrical 对称的SYS System 系统T Teeth,Tooth 牙齿TECH Technical 技术TEMP Template,Temporary 模板，暂时的THD Thread 线THK Thick 厚的TOL Tolerance 公差TOT Total 总计TPF Taper per FootTPI Taper per In,Threads per InchTPR Taper 锥形TS Tool SteelTYP Typical 典型UNC Unified Natl CoarseUNEF Unified Natl Extra FineUNF Unified Natl FineUNIV Universal 普遍VAR Variable 变量VERT Vertical 垂直的VOL Volume 音量VS Versus 与．．相对W Wide,Width 宽度WASH Washer 洗衣机WDF Woodruff 车叶草WI Wrought Iron 熟铁W T Weight 重量。