资讯动态
PN160～320双头螺柱_阀门标准
|
钢 号 |
σb |
σs |
δ |
Ψ |
αk |
HB |
备 注 |
|
MPa |
% |
N·m/cm2 |
|||||
|
≥ |
|||||||
|
40 |
580 |
340 |
19 |
45 |
60 |
207~240 |
JB/T 2773 |
|
40MnB |
900 |
750 |
15 |
80 |
250~302 |
||
|
35CrMoA |
800 |
600 |
50 |
214~286 |
|||
|
40 |
568 |
333 |
19 |
45 |
49 |
187~229 |
中石化 管道器材 |
|
35CrMo |
784 |
588 |
15 |
50 |
78.4 |
241~285 |
|
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