合金结构钢（GB／T3077—1999）相应的合金无缝钢管的力学性能和化学成分
www.316lbuxiugang.com www.myhejinguan.com
合金结构钢的牌号和化学成分(1)
|
钢组
|
序
号
|
统一数
字代号
|
牌 号
|
化学成分(质量分数)(％)
|
|
C
|
Si
|
Mn
|
Cr
|
Mo
|
Ni
|
B
|
V
|
其他
|
|
Mn
|
l
|
A00202
|
20Mn2
|
0.17-0.24
|
0.17-0.37
|
1.40-1.80
|
|
|
|
|
|
|
|
2
|
A00302
|
30Mn2
|
0.27-0.34
|
0.17-0.37
|
1.40-1.80
|
|
|
|
|
|
|
|
3
|
A00352
|
35Mn2
|
0.32-0.39
|
0.17-0.37
|
1.40-1.80
|
|
|
|
|
|
|
|
4
|
A00402
|
40Mn2
|
0.37-0.44
|
0.17-0.37
|
1.40-1.80
|
|
|
|
|
|
|
|
5
|
A00452
|
45Mn2
|
0.42-0.49
|
0.17-0.37
|
1.40-1.80
|
|
|
|
|
|
|
|
Mn
|
6
|
A00502
|
50Mn2
|
0.47-0.55
|
0.17-0.37
|
1.40-1.80
|
|
|
|
|
|
|
|
MnV
|
7
|
A01202
|
20MnV
|
0.17-0.24
|
0.17-0.37
|
1.30-.60
|
|
|
|
|
0.07-0.12
|
|
|
siMn
|
8
|
A10272
|
27siMn
|
0.24-0.32
|
1.10-1.40
|
1.10-1.40
|
|
|
|
|
|
|
|
9
|
A10352
|
35siMn
|
0.32-0.40
|
1.10-1.40
|
1.10-1.40
|
|
|
|
|
|
|
|
10
|
A10422
|
42siMn
|
0.39-0.45
|
1.10-1.40
|
1.10-1.40
|
|
|
|
|
|
|
|
SiMn-
MoV
|
ll
|
A14202
|
20SiMn2MoV
|
0.17-0.23
|
0.90-1.20
|
2.20-2.60
|
|
0.30-0.40
|
|
|
0.05-0.12
|
|
|
12
|
A14262
|
25SiMn2MoV
|
0.22-0.28
|
0.90-1.20
|
2.20-2.60
|
|
0.30-0.40
|
|
|
0.05-0.12
|
|
|
13
|
A14372
|
37SiMn2MoV
|
0.33-0.39
|
0.60-0.90
|
1.60-1.90
|
|
0.40-0.50
|
|
|
0.05-0.12
|
|
|
B
|
14
|
A70402
|
40B
|
0.37-0.44
|
0.17-0.31
|
0.60-0.90
|
|
|
|
0.0005-0.0035
|
|
|
|
15
|
A70452
|
45B
|
0.42-0.49
|
0.17-0.37
|
0.60-0.90
|
|
|
|
0.0005-0.0035
|
|
|
|
16
|
A70602
|
50B
|
0.47-0.55
|
0.17-0.37
|
0.60-0.90
|
|
|
|
0.0005-0.0035
|
|
|
|
MnB
|
17
|
A71402
|
40MnB
|
0.37-0.44
|
0.17-0.37
|
1.10-1.40
|
|
|
|
0.0005-0.0035
|
|
|
|
18
|
A71452
|
45MnB
|
0.42-0.49
|
0.17-0.37
|
1.10-1.40
|
|
|
|
0.0005-0.0035
|
|
|
|
Mn
MoB
|
19
|
A72202
|
20MnMoB
|
0.16-0.22
|
0.17-0.37
|
0.90-1.20
|
|
0.20 -0.30
|
|
0.0005-0.0035
|
|
|
|
MnVB
|
20
|
A73152
|
15MnVB
|
0.12-0.18
|
0.17-0.37
|
1.20-1.60
|
|
|
|
0.0005-0.0035
|
0.07-0.12
|
|
|
21
|
A73202
|
20MnVB
|
0.17-0.23
|
0.17-0.37
|
1.20-1.60
|
|
|
|
0.005-0.0035
|
0.07-0.12
|
