合**號
|
化學成分(質量分數)(%)
|
||||||||||||
C
|
S
|
P
|
Mn
|
Si
|
Ni
|
Cr
|
Co
|
M0
|
Cu
|
Al
|
Nb
|
Fe
|
|
1J30
|
0.04
|
O.020
|
0.020
|
≤0.40
|
≤0.30
|
29.5~30.5
|
|
|
|
|
|
|
余量
|
1J32
|
0.04
|
0.020
|
0.020
|
≤0.40
|
≤0.30
|
31.5~32.5
|
|
|
|
|
|
|
余量
|
1J36
|
0.03
|
0.020
|
0.020
|
≤0.60
|
≤0.20
|
35.~37.0
|
|
|
|
|
|
|
余量
|
1J38
|
0.05
|
0.020
|
0.020
|
0.30~0.60
|
0.15~
0.30
|
37.5~
38.5
|
12.5
13.5
|
|
|
|
|
|
余量
|
1J50
|
0.03
|
0.020
|
O.020
|
0.30~0.60
|
0.15~0.30
|
49.0~50.5
|
|
|
|
≤0.2
|
|
|
余量
|
1J79
|
0.03
|
0.020
|
0.020
|
0.60~1.10
|
0.30~0.50
|
78.5~80.0
|
|
|
3.8~
4.1
|
≤0.2
|
|
|
余量
|
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