17-7PH熱處理方案 |
朝展牌號(hào)
|
朝展材料狀態(tài)
|
屈服強(qiáng)度
|
抗拉強(qiáng)度
|
伸長率
|
收縮率
|
硬度≥
|
||
σ0.2/MPa
|
σb/MPa
|
δ5(%)
|
|
HBW
|
HRC
|
|||
|
固溶
|
|
≤380
|
≤1030
|
20
|
|
≤229
|
|
510℃時(shí)效
|
|
1030
|
1230
|
4
|
10
|
388
|
|
|
565℃時(shí)效
|
|
960
|
1140
|
5
|
25
|
363
|
|
朝展鋼號(hào)%
|
C
|
Si
|
Cr
|
Ni
|
Mn
|
Nb
|
≤0.09
|
≤1.0
|
16-18
|
6.5-7.75
|
≤1.0
|
|
|
≤0.09
|
≤1.0
|
14-16
|
6.5-7.50
|
≤1.0
|
|
|
≤0.07
|
≤1.0
|
15.5-17.5
|
3.0-5.0
|
≤1.0
|
0.15-0.45
|
|
朝展鋼號(hào)%
|
Mo
|
Al
|
S
|
P
|
Cu
|
|
17-7PH
|
-
|
0.75-1.5
|
≤0.030
|
≤0.035
|
|
|
PH15-7MO
|
2.0-3.0
|
0.75-1.5
|
≤0.030
|
≤0.035
|
上海朝展金屬材料有限公司
|
|
17-4PH
|
|
|
≤0.030
|
≤0.035
|
3.0-5.0
|
|
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