结构管
按GB/T 8162 标准及相应的国际标准执行。
|
标准 |
牌号 |
C |
Si |
Mn |
P≤ |
S≤ |
Cr≤ |
Ni≤ |
Cu≤ |
GB/T 8162 |
10 |
0.07-0.13 |
0.17-0.37 |
0.35-0.65 |
0.035 |
0.035 |
0.15 |
0.30 |
0.25 |
20 |
0.17-0.23 |
0.17-0.37 |
0.35-0.65 |
0.035 |
0.035 |
0.25 |
0.30 |
0.25 |
35 |
0.32-0.39 |
0.17-0.37 |
0.50-0.80 |
0.035 |
0.035 |
0.25 |
0.30 |
0.25 |
45 |
0.42-0.50 |
0.17-0.37 |
0.50-0.80 |
0.035 |
0.035 |
0.25 |
0.30 |
0.25 |
Q345A |
≤0.20 |
≤0.55 |
1.00-1.60 |
0.045 |
0.045 |
0.30 |
0.30 |
0.30 |
Q345B |
≤0.20 |
≤0.55 |
1.00-1.60 |
0.040 |
0.040 |
0.30 |
0.30 |
0.30 |
Q345C |
≤0.20 |
≤0.55 |
1.00-1.60 |
0.035 |
0.035 |
0.30 |
0.30 |
0.30 |
Q345D |
≤0.18 |
≤0.55 |
1.00-1.60 |
0.030 |
0.030 |
0.30 |
0.30 |
0.30 |
Q345E |
≤0.18 |
≤0.55 |
1.00-1.60 |
0.025 |
0.025 |
0.30 |
0.30 |
0.30 |
DIN 1629 |
St37.0 |
≤0.17 |
0.17-0.37 |
0.35-0.65 |
0.035 |
0.035 |
0.25 |
0.25 |
0.25 |
St44.0 |
≤0.21 |
0.17-0.37 |
0.50-0.80 |
0.035 |
0.035 |
0.25 |
0.25 |
0.25 |
St55 |
0.33-0.41 |
0.17-0.37 |
| |
