SA517Gr.B执行标准：ASME SA517/SA517M-2010
2、SA517Gr.B熔炼分析，%
|
钢种/Grade |
C |
Mn |
P |
S |
Si |
Ni |
|
SA517Gr.B |
0.10-0.20 |
0.70-1.00 |
≤0.035 |
≤0.035 |
0.15-0.30 |
/ |
|
钢种/Grade |
Cr |
Mo |
B |
V |
Ti |
Cu |
|
SA517Gr.B |
0.40-0.65 |
0.15-0.25 |
0.0005-0.005 |
0.03-0.08 |
0.01-0.03 |
/ |
3、SA517Gr.B力学性能
|
厚度mm |
ReL,MPa |
Rm,MPa |
A50,% |
断面收缩率 |
20℃冲击侧膨胀量 |
|
|
矩形式样 |
圆式样 |
|||||
|
≤65 |
≥690 |
795-930 |
≥16 |
≥35 |
≥45 |
≥0.38 |
|
≥65 |
≥620 |
725-930 |
≥14 |
/ |
≥45 |
|
4SA517Gr.B交货状态
淬火+回火/QT