钢铁材料化学成份及物理性能表

钢铁材料化学成份及物理性能表

类别型号

化学成份%

C Si Mn P S 其他元素

碳素结构钢Q195 ≤0.12≤0.30≤0.50≤0.035≤0.040Cr、Ni、Cu≤0.30

Q215A ≤0.15≤0.35≤1.20≤0.045≤0.050Cr、Ni、Cu≤0.30

Q215B ≤0.15≤0.35≤1.20≤0.045≤0.045 Cr、Ni、Cu≤0.30

Q235A ≤0.22≤0.35≤1.40≤0.045≤0.050Cr、Ni、Cu≤0.30

Q235B ≤0.20≤0.35≤1.40≤0.045≤0.045Cr、Ni、Cu≤0.30

Q235C ≤0.17≤0.35≤1.40≤0.040≤0.040Cr、Ni、Cu≤0.30

Q235D ≤0.17≤0.35≤1.40≤0.035≤0.035Cr、Ni、Cu≤0.30

08F 0.05-0.11 ≤0.300.25-0.50 ≤0.035≤0.035Cr≤0.30;Ni、Cu≤0.25 35# 0.32-0.40 0.17-0.37 0.50-0.80 ≤0.035≤0.035Cr≤0.30;Ni、Cu≤0.25 45# 0.42-0.50 0.17-0.37 0.50-0.80 ≤0.035≤0.035Cr≤0.30;Ni、Cu≤0.25

冷镦钢SWRCH6A ≤0.08≤0.10≤0.60≤0.035≤0.030AL≥0.020

SWRCH8A ≤0.10≤0.10≤0.60≤0.035≤0.030AL≥0.020

SWRCH10A 0.08-0.13 ≤0.100.30-0.60 ≤0.035≤0.030AL≥0.020

SWRCH18A 0.15-0.20 ≤0.100.60-0.90 ≤0.035≤0.030AL≥0.020

SWRCH22A 0.18-0.23 ≤0.100.70-1.00 ≤0.035≤0.030

SWRCH35K 0.32-0.38 0.10-0.35 0.60-0.90 ≤0.035≤0.030

SWRM6 ≤0.08≤0.03≤0.60≤0.035≤0.035

SWRM8 ≤0.10≤0.03≤0.60≤0.035≤0.035

SWRM10 0.08-0.13 ≤0.030.30-0.60 ≤0.035≤0.035

ML08AL 0.05-0.10 ≤0.100.30-0.60 ≤0.035≤0.035AL≥0.020

ML10AL 0.08-0.13 ≤0.100.30-0.60 ≤0.035≤0.035AL≥0.020

ML15 0.13-0.18 0.15-0.35 0.30-0.60 ≤0.035≤0.035AL≥0.020

ML20 0.18-0.23 0.15-0.35 0.30-0.60 ≤0.035≤0.035AL≥0.020

ML20B(10B21) 0.17-0.24 ≤0.400.50-0.80 ≤0.035≤0.035B:0.0005-0.0035 AL≥0.020

合

金结构钢SCM435(35CrMo) 0.35-0.40 0.17-0.37 0.40-0.70 ≤0.030 ≤0.030Cr:0.80-1.10;Mo:0.15-0.25 50CrVA(6150) 0.46-0.54 0.17-0.37 0.58-0.80 ≤0.030≤0.030Cr:0.80-1.10;V:0.10-0.20

表二

类别型号

物理性能

参考标准

抗拉强度屈服强度伸长率

碳素结构钢Q195 315-430 ≥195≥33%

GB/T 700-2006 Q215A 335-450 ≥215≥31%

Q215B 335-450 ≥215≥31%

Q235A 375-500 ≥235≥26%

Q235B 375-500 ≥235≥26%

Q235C 375-500 ≥235≥26%

Q235D 375-500 ≥235≥26%

08F ≥295≥175≥35%

GB/T 699-1999 35# ≥530≥315≥20%

45# ≥600≥355≥16%

冷镦钢SWRCH6A

Q/BQB 517-2003 SWRCH8A

SWRCH10A

SWRCH18A

SWRCH22A

SWRCH35K

SWRM6 ≤390≥30%

Q/BQB 513-2003 SWRM8 ≤390≥30%

SWRM10 ≤390≥30%

ML08AL ≤470≥60%

GB/T 6478-2001 ML10AL ≤490≥55%

ML15 ≤530≥50%

ML20 ≤580≥45%

ML20B(10B21) ≤500≥64%

合

金结构钢SCM435(35CrMo) ≥980≥835≥12%

GB/T 3077-1999 50CrVA(6150) ≥1280≥1130≥10%