537系列是美标压力容器用热处理碳锰硅钢板，分为三个级别，分别是A537CL1，A537CL2，A537C L3。
机械性能 ：
|
级别
|
交货状态 |
屈服强度σ0.2(MPa) |
抗拉强度σb(MPa) |
延伸率δ4% |
|
A537CL1 |
正火 |
≥345 |
485-620 |
22 |
|
A537CL2 |
淬火+回火 |
≥415 |
550-690 |
22 |
|
A537CL3 |
淬火+回火 |
≥380 |
550-690 |
22 |
化学成分 ：
A537CL1的化学成分：
|
C |
≤0.24 |
|
Mn |
0.7-1.6 |
|
P |
≤0.035 |
|
S |
≤0.035 |
|
Si |
0.15-0.5 |
|
Ni |
≤0.25 |
|
Cr |
≤0.25 |
|
Mo |
≤0.08 |
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