结构管无缝钢管化学成分：
|
标准 |
牌号 |
化学成分（％） | |||||||||
|
C |
Si |
Mn |
P |
S |
Cu |
Ni |
Mo |
Cr |
V | ||
|
GB/T8162 |
10 |
0.07～0.14 |
0.17～0.37 |
0.35～0.65 |
≤0.035 |
≤0.035 |
≤0.25 |
≤0.25 |
/ |
≤0.15 |
/ |
|
20 |
0.17～0.24 |
0.17～0.37 |
0.35～0.65 |
≤0.035 |
≤0.035 |
≤0.25 |
≤0.25 |
/ |
≤0.25 |
/ | |
|
35 |
0.32～0.40 |
0.17～0.37 |
0.50～0.80 |
≤0.035 |
≤0.035 |
≤0.25 |
≤0.25 |
/ |
≤0.25 |
/ | |
|
45 |
0.42～0.50 |
0.17～0.37 |
0.50～0.80 |
≤0.035 |
≤0.035 |
≤0.25 |
≤0.25 |
/ |
≤0.25 |
/ | |
|
Q345 |
0.12～0.20 |
0.20～0.55 |
1.20～1.60 |
≤0.035 |
≤0.035 |
≤0.25 |
≤0.25 |
/ |
≤0.25 |
/ | |
|
15CrMo |
0.12～0.18 |
0.17～0.37 |
0.40～0.70 |
≤0.035 |
≤0.035 |
≤0.25 |
≤0.30 |
0.40～0.55 |
0.80～1.10 |
/ | |
|
12Cr1MoV |
0.08～0.15 |
0.17～0.37 |
0.40～0.70 |
≤0.035 |
≤0.035 |
≤0.25 |
≤0.30 |
0.25～0.35 |
0.90～1.20 |
0.15～0.30 | |
|
ASTMA53
ASMESA53 |
A |
≤0.25 |
/ |
≤0.95 |
≤0.05 |
≤0.06 |
≤0.40 |
≤0.40 |
≤0.15 |
≤0.40 |
≤0.08 |
|
B |
≤0.30 |
/ |
≤1.20 |
≤0.05 |
≤0.06 |
≤0.40 |
≤0.40 |
≤0.15 |
≤0.40 |
≤0.08 | |
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