17-7PH熱處理方案 |
寬度大于600mm鋼帶的厚度允許偏差 (mm)
精度
寬度
厚度
|
A級±
|
B級±
|
精度
寬度
厚度
|
A級±
|
B級±
|
||
>600
~1000
|
>1000
~1250
|
>600
~1250
|
>600
~1000
|
>1000
~1250
|
>600
~1250
|
||
0.05~0.10
|
|
|
|
>1.20~1.50
|
0.060
|
0.070
|
0.110
|
>0.10~0.15
|
|
|
|
>1.50~1.80
|
0.070
|
0.080
|
0.120
|
>0.15~0.25
|
|
|
|
>1.80~2.00
|
0.090
|
0.100
|
0.130
|
>0.25~0.45
|
0.040
|
0.040
|
0.040
|
>2.00~2.30
|
0.100
|
0.110
|
0.140
|
>0.45~0.65
|
0.040
|
0.040
|
0.050
|
>2.30~2.50
|
0.100
|
0.110
|
0.140
|
>0.65~0.90
|
0.050
|
0.050
|
0.060
|
>2.50~3.10
|
0.110
|
0.120
|
0.160
|
>0.90~1.20
|
0.050
|
0.060
|
0.080
|
>3.10~<4.00
|
0.120
|
0.130
|
0.180
|
朝展 牌 號
|
ZZ化學(xué)成分(質(zhì)量分?jǐn)?shù))(%)
|
||||||||||||||||
C
|
Si
|
Mn
|
P
|
S
|
Ni
|
Cr
|
Mo
|
其他
|
|||||||||
沉淀硬化型
|
|||||||||||||||||
OCr17Ni4Cu4Nb
|
≤O.07
|
≤1.00
|
≤1.00
|
≤0.035
|
≤O.030
|
3.00~5.00
|
15.50~17.50
|
Cu3.00~5.00
|
Nb0.15~O.45
|
||||||||
≤0.09
|
≤1.00
|
≤1.00
|
≤O.035
|
≤0.030
|
6.50~7.75
|
16.00~18.00
|
Cu≤O.50
|
A10.75~1.50
|
|||||||||
≤0.09
|
≤1.00
|
≤1.00
|
≤O.035
|
≤O.030
|
6.50~7.50
|
14.00~16.00
|
2.00~3.00
|
A10.75~1.50
|
|||||||||
S13800,X13
|
≤0.05
|
≤0.10
|
≤0.20
|
≤0.010
|
≤0.008
|
7.50-8.50
|
12.30-13.20
|
2.0-3.00
|
N:0.01,AL:0.90-1.35
|
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