17-7PH熱處理方案 |
鋼號% |
C |
Si |
Cr |
Ni |
Mn |
Nb |
≤0.09 |
≤1.0 |
16-18 |
6.5-7.75 |
≤1.0 |
|
|
0Cr15Ni7Mo2A1/632/PH15-7MO |
≤0.09 |
≤1.0 |
14-16 |
6.5-7.50 |
≤1.0 |
|
0Cr17Ni4Cu4Nb/630/17-4PH |
≤0.07 |
≤1.0 |
15.5-17.5 |
3.0-5.0 |
≤1.0 |
0.15-0.45
|
鋼號% |
Mo |
Al |
s |
p |
Cu |
|
0Cr17Ni7A/
631/17-7PH |
- |
0.75-1.5 |
≤0.030 |
≤0.035 |
|
|
0Cr15Ni7Mo2A1/
632/PH15-7MO |
2.0-3.0 |
0.75-1.5 |
≤0.030 |
≤0.035 |
|
|
0Cr17Ni4Cu4Nb/630/17-4PH |
|
|
≤0.030 |
≤0.035 |
3.0-5.0 |
|
朝展材料狀態(tài) |
屈服強度 |
抗拉強度 |
伸長率 |
收縮率 |
硬度≥ |
|||
σ0.2/MPa |
σb/MPa |
δ5(%) |
|
HBW |
HRC |
|||
(630,17-4PH) |
固溶 |
|
|
|
|
|
≤363 |
≤38 |
480℃時效(H900) |
482±8℃保溫1h空冷 |
1180 |
1310 |
10 |
40 |
375 |
40 |
|
550℃時效(H1025) |
||||||||
1000 |
13 |
45 |
302 |
31 |
||||
620℃時效(H1150) |
621±8℃保溫4h空冷 |
725 |
930 |
16 |
50 |
277 |
28 |
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