牌 号 |
标 准 |
热处理制度 |
规 格 |
机械性能≥ |
HB |
||
σb |
σs |
σ5 % |
|||||
MPa |
|||||||
30CrMo |
GB/T 3077 |
调 质 (回火≥550℃) |
-- |
-- |
-- |
-- |
234~285 |
35CrMo |
<M24 |
835 |
735 |
13 |
269~321 |
||
>M24~M80 |
805 |
685 |
13 |
234~285 |
|||
>M80 |
735 |
590 |
13 |
234~285 |
|||
25Cr2MoVA |
GB/T 3077 |
调 质 (回火≥600℃) |
≤M48 |
835 |
735 |
15 |
269~321 |
>M48 |
805 |
685 |
15 |
245~277 |
|||
0Cr18Ni9 |
GB/T 1220 |
固 溶 |
-- |
520 |
206 |
40 |
≤187 |
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