方管理论重量表 计算公式
方管理论重量表、计算公式
方管理论重量表、计算公式?
型号理论重量（kg/m）型号理论重量（kg/m）20*20*1.20.7550*30*2.5 3.02
25*25*1.20.9450*30*3 3.6
40*40*2 2.2950*32*2 2.2
40*40*2.5 3.0250*35*2.5 3.32
40*40*4 4.6855*38*2 2.8
50*50*2.5 3.8160*40*2.5 3.81
50*50*3 4.4460*40*3 4.44
50*50*4 5.7460*40*4 5.74
60*60*2.5 4.5270*50*47.02 60*60*3 5.3880*60*37.09 60*60*47.0280*60*48.22 70*70*48.2280*60*510.25 70*70*510.290*40*2.5 5.19 80*80*49.9690*60*510.47 80*80*613.85100*60*37.3 100*100*411.65100*60*49.16 100*100*823100*60*511.53 120*120*414.16100*60*4.514.41 160*160*4.519.2160*80*4.515.84
220*80*6????27.1
计算公式：4x壁厚x(边长-壁厚)x7.85?其中，边长和壁厚都以毫米为单位，直接把数值代入上述公式，得出即为每米方管的重量，以克为单位。?
如30x30x2.5毫米的方管，按上述公式即可算出其每米重量为：?
4x2.5x(30-2.5)x7.85=275x7.85=2158.75克，即约2.16公斤?
当壁厚和边长都以毫米为单位时，4x壁厚x(边长-壁厚)算出的是每米长度方管的体积，以立方厘米为单位，再乘以铁的比重每立方厘米7.85克，得出即为每米方管以克为单位的重量。
管理论重量表计算公式：4x壁厚x(边长-壁厚)x7.85?其中，边长和壁厚都以毫米为单位，直接把数值代入上述公式，得出即为
每米方管的重量，以克为单位。?
如30x30x2.5毫米的方管，按上述公式即可算出其每米重量为：?
4x2.5x(30-2.5)x7.85=275x7.85=2158.75克，即约2.16公斤?
当壁厚和边长都以毫米为单位时，4x壁厚x(边长-壁厚)算出的是每米长度方管的体积，以立方厘米为单位，再乘以铁的比重每
立方厘米7.85克，得出即为每米方管以克为单位的重量。
正方形和长方形(矩形)截面碳钢计算公式:
每米重量单位: kg/m(千克/米) & lb/ft(磅/英尺)? 公式:kg/m = (Oc - 4Wt) * Wt * 0.00785 其中：Oc是外周长，Wt是壁厚；正方形Oc=4*a???????????????? 长方形Oc=2a+2b a,b是边长管径(mm)????? 厚度(mm)?? 元/支 kg/支??? 元/吨
10口10???????? 0.50????? 18.7??? 0.91??? 20700
10口10???????? 0.60????? 24.2??? 1.09??? 22000
10口10???????? 0.70????? 28.8??? 1.26??? 22500?
10口10???????? 0.80????? 33????? 1.43??? 23300?
10口10???????? 0.90????? 38.5??? 1.59??? 23900?
10口10???????? 1.00????? 43????? 1.75??? 24200
10口10???????? 1.20????? 44????? 2.07??? 18700 无缝方管直销处*天津无缝方管供应商（方管价格表&无缝方管理论重量
大全表
12.5口12.5???? 0.60????? 27.5??? 1.37??? 19800?
12.5口12.5???? 0.70????? 27.5??? 1.59??? 20300
12.5口12.5???? 0.80????? 37??? 1.81????? 21000?
12.5口12.5???? 0.90????? 38??? 2.02????? 22000 无缝方管价格表 :无缝方管直销处*天津无缝方管供应商（方管价格表&
无缝方管理论重量大全表
12.5口12.5???? 1.00????? 50??? 2.23??? 24000?
12.5口12.5???? 1.2(A)??? 53??? 2.64??? 23000
12.5口12.5???? 1.20????? 60??? 2.64??? 22800
12.5口12.5???? 1.5(A)??? 66??? 3.23??? 22000
12.5口12.5???? 1.50????? 73??? 3.23??? 26400?
15.2口15.2???? 0.50????? 25??? 1.41??? 17900?
15.2口15.2???? 0.60????? 32??? 1.68??? 18900
15.2口15.2???? 0.70????? 39??? 1.95??? 19800
15.2口15.2???? 0.80????? 44??? 2.22??? 20100无缝方管价格表 :无缝方管直销处*天津无缝方管供应商（方管价格表&无
缝方管理论重量大全表
15.2口15.2???? 0.90????? 50??? 2.48??? 21000?
15.2口15.2???? 1.00????? 57??? 2.74??? 22000?
15.2口15.2???? 1.2(A)??? 64??? 3.26??? 23100
15.2口15.2???? 1.20????? 68??? 3.26??? 20900
15.2口15.2???? 1.5(A)??? 80??? 4.00??? 19800
15.2口15.2???? 1.50????? 93??? 4.00??? 23200
15.2口15.2???? 2.0(A)??? 116?? 5.19??? 23000
15.2口15.2???? 2.00????? 146?? 5.19??? 27800无缝方管价格表 :无缝方管直销处*天津无缝方管供应商（方管价格表&无
缝方管理论重量大全表
19.1口19.1???? 0.60????? 39??? 2.13??? 16800?
19.1口19.1???? 0.70????? 47??? 2.47??? 18100?
19.1口19.1???? 0.80????? 55??? 2.81??? 19700?
19.1口19.1???? 0.90????? 64??? 3.15??? 19200?
19.1口19.1???? 1.00????? 71??? 3.49??? 19200?
19.1口19.1???? 1.2(A)??? 79??? 4.15??? 19000?
19.1口19.1???? 1.20????? 84??? 4.15??? 20300 19.1口19.1???? 1.5(A)??? 94??? 5.12??? 18800?
19.1口19.1???? 1.50????? 116?? 5.12??? 22300 19.1口19.1???? 2.0(A)??? 140?? 6.68??? 20500 19.1口19.1???? 2.00????? 160?? 6.68??? 23900?
20口20???????? 1.00????? 76??? 3.66??? 20600 无缝方管价格表 :无缝方管直销处*天津无缝方管供应商（方管价格表&无
缝方管理论重量大全表
20口20???????? 1.2(A)??? 85??? 4.35??? 19400?
20口20???????? 1.20????? 90??? 4.35??? 20500?
20口20???????? 1.5(A)??? 101?? 5.38??? 18800?
20口20???????? 1.50????? 126?? 5.38??? 22100?
20口20???????? 2.0(A)??? 143?? 7.02??? 20200?
20口20???????? 2.00????? 165?? 7.02??? 23600
22.2口22.2???? 0.60????? 46??? 2.48??? 18700?
22.2口22.2???? 0.70????? 56??? 2.89??? 18360?
22.2口22.2???? 0.80????? 66??? 3.29??? 20100?
22.2口22.2???? 0.90????? 77??? 3.68??? 20500? 无缝方管价格表 :无缝方管直销处*天津无缝方管供应商（方管价格表&
无缝方管理论重量大全表
22.2口22.2???? 1.00????? 84??? 4.08??? 20600?
22.2口22.2???? 1.2(A)??? 93??? 4.86??? 19300?
22.2口22.2???? 1.20????? 100??? 4.86?? 20400?
22.2口22.2???? 1.5(A)??? 112?? 6.00??? 18700?
22.2口22.2???? 1.50????? 132?? 6.00??? 22000
22.2口22.2???? 2.0(A)??? 159?? 7.86??? 20400
22.2口22.2???? 2.00????? 188?? 7.86??? 27100
25.4口25.4???? 0.60????? 51??? 2.85??? 18100?
25.4口25.4???? 0.70????? 63??? 3.31??? 18600
25.4口25.4???? 0.80????? 73??? 3.77??? 18700
25.4口25.4???? 0.90????? 73??? 4.23??? 18900无缝方管价格表 :无缝方管直销处*天津无缝方管供应商（方管价格表&无
缝方管理论重量大全表
25.4口25.4???? 1.00????? 93??? 4.69??? 19100
25.4口25.4???? 1.2(A)??? 102??? 5.59??? 18400
25.4口25.4???? 1.20????? 110?? 5.59??? 19700?
25.4口25.4???? 1.5(A)??? 124?? 6.92??? 17900 25.4口25.4???? 1.50????? 143?? 6.92??? 21100 25.4口25.4???? 2.0(A)??? 171?? 9.07??? 18800 25.4口25.4???? 2.00????? 200?? 9.07??? 22100 25.4口25.4???? 2.50????? 261?? 11.16?? 23400 25.4口25.4???? 3.00????? 331?? 13.16?? 25100? 30口30???????? 0.60????? 61??? 3.37??? 18200 30口30???????? 0.70????? 73??? 3.93??? 18700 30口30???????? 0.80????? 87??? 4.47??? 19300
30口30???????? 0.90????? 108?? 5.02??? 19900
30口30???????? 1.00????? 112?? 5.56??? 20100无缝方管价格表 :无缝方管直销处*天津无缝方管供应商（方管价格表&无
缝方管理论重量大全表
30口30???????? 1.2(A)??? 124?? 6.64??? 18700
30口30???????? 1.20????? 132?? 6.64??? 19900?
30口30???????? 1.5(A)??? 149?? 8.23??? 18100?
30口30???????? 1.50????? 176?? 8.23??? 21300?
30口30???????? 2.0(A)??? 229?? 10.83?? 21200
30口30???????? 2.50????? 310?? 13.35?? 22300?
30口30???????? 3.00????? 390?? 15.79?? 24700 31.8口31.8???? 1.00????? 122?? 5.91??? 20400 31.8口31.8???? 1.2(A)??? 135?? 7.05??? 19100?
31.8口31.8???? 1.20????? 143?? 7.05??? 20400?
31.8口31.8???? 1.5(A)??? 220?? 8.75??? 18700?
31.8口31.8???? 1.50????? 191?? 8.75??? 22000 31.8口31.8???? 2.0(A)??? 211?? 11.51?? 18800 31.8口31.8???? 2.00????? 232?? 11.51?? 19800?
31.8口31.8???? 2.50????? 329?? 14.20?? 23000?
31.8口31.8???? 3.00????? 403?? 7.10??? 20100?
38.1口38.1???? 1.2(A)??? 160?? 8.49??? 18700
38.1口38.1???? 1.20????? 169?? 8.49??? 19900? 无缝方管价格表 :无缝方管直销处*天津无缝方管供应商（方管价格表&
无缝方管理论重量大全表
38.1口38.1???? 1.5(A)??? 191?? 10.54?? 18100?
38.1口38.1???? 1.50????? 225?? 10.54?? 21400?
38.1口38.1???? 2.0(A)??? 258?? 13.91?? 18700
38.1口38.1???? 2.00????? 303?? 13.91?? 22000
38.1口38.1???? 2.50????? 383?? 17.20?? 22300?
38.1口38.1???? 3.00????? 476?? 20.42?? 22300
40口40???????? 1.00????? 151?? 7.47??? 20200
40口40???????? 1.2(A)??? 167?? 8.92??? 18800
40口40???????? 1.20????? 178?? 8.92??? 20000
40口40???????? 1.5(A)??? 202?? 11.09?? 18300?
40口40???????? 1.50????? 238?? 11.09?? 21900
40口40???????? 2.0(A)??? 269?? 14.63?? 18400?
40口40???????? 2.00????? 315?? 14.63?? 21800?
40口40???????? 2.50????? 402?? 18.11?? 22400 无缝方管价格表 :无缝方管直销处*天津无缝方管供应商（方管价格表&无
缝方管理论重量大全表
40口40???????? 3.00????? 443?? 21.50?? 23300 50口50???????? 1.00????? 187?? 9.37??? 20000 50口50???????? 1.2(A)??? 209?? 11.21?? 18700? 50口50???????? 1.20????? 222?? 11.21?? 19800 50口50???????? 1.5(A)??? 250?? 13.94?? 18000 50口50???????? 1.50????? 297?? 13.94?? 20200 50口50???????? 2.0(A)??? 337?? 18.44?? 17200 50口50???????? 2.00????? 397?? 18.44?? 21800 50口50???????? 2.50????? 498?? 22.87?? 20900 50口50???????? 3.00????? 619?? 27.21?? 22700?
50口50???????? 4.00????? 863?? 35.69?? 24200 60口60???????? 1.2(A)??? 257?? 13.49?? 19000? 60口60???????? 1.20????? 273?? 13.49?? 20300? 60口60???????? 1.5(A)??? 300?? 16.80?? 18700? 60口60???????? 1.50????? 365?? 16.80?? 21900? 60口60???????? 2.0(A)??? 412?? 22.25?? 18700? 60口60???????? 2.00????? 455?? 22.25?? 22000 60口60???????? 2.50????? 600?? 39.51?? 20000 60口60???????? 3.00????? 735?? 32.93?? 22300? 60口60???????? 4.00????? 1028? 43.20?? 23760
60口60???????? 5.00????? 1389? 53.38?? 26000 无缝方管价格表 :无缝方管直销处*天津无缝方管供应商（方管价格表&无
缝方管理论重量大全表
70口70???????? 1.5(A)??? 367?? 19.66?? 18700?
70口70???????? 1.50????? 433?? 19.66?? 22000
70口70???????? 2.0(A)??? 489?? 26.06?? 18800?
70口70???????? 2.00????? 575?? 26.06?? 22100?
70口70???????? 2.50????? 700?? 32.38?? 21800
70口70???????? 3.00????? 861?? 38.64?? 22400
70口70???????? 4.00????? 1189? 50.92?? 23300?
70口70???????? 5.00????? 1603? 62.90?? 25630 76.2口76.2???? 1.5(A)??? 407?? 21.43?? 18700 76.2口76.2???? 1.50????? 450?? 21.43?? 22400?
76.2口76.2???? 2.0(A)??? 543?? 28.42?? 19200 76.2口76.2???? 2.00????? 638?? 28.42?? 22400?
76.2口76.2???? 2.50????? 782?? 35.34?? 22000?
76.2口76.2???? 3.00????? 941?? 42.18?? 22300 76.2口76.2???? 4.00????? 1409? 55.64?? 23300 76.2口76.2???? 5.00????? 1760? 68.80?? 25600 80口80???????? 1.5(A)??? 413?? 22.51?? 18400?