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Alloy Steel Castings Series

Alloy Steel Casting Series


序号
Item
牌号
Designation
化学成分 Chemical composition（%）
机械性能
Mechanical Properties of Products
金相组织Microstructure
C
Si
Mn
Cr
Mo
Ni
Cu
S
P
ak
（J/ Cm2
）
HRC
Ab（Mpa）
 
1
ZG30Cr5MoRE
0.25-0.35
0.3-1.0
0.3-1.0
4.5-5.5
0.7-1.0
 
 
≤0.045
≤0.045
≥25
≥45
 
M+B+C
2
ZG40Cr5MoRE
0.35-0.45
0.3-1.0
0.3-1.0
4.5-5.5
0.7-1.0
 
 
≤0.045
≤0.045
≥20
≥48
 
M+B+C
3
ZG45Cr3MiMRE
0.40-0.50
0.3-0.8
0.6-1.2
2.0-3.2
0.3-0.5
0.5-1.0
 
≤0.04
≤0.04
≥20
≥50
 
M+ C
4
ZG90CrMoMn
0.85-0.95
0.4-0.8
0.4-0.6
5-8
0.2-0.4
 
 
≤0.04
≤0.04
>7
>50
 
M+ C
5
ZGMn13
1.1-1.4
0.3-1.0
11-14
 
 
 
 
≤0.06
≤0.09
>147
HR≤229
 
A+C
6
ZGMn13r2
1.1-1.4
0.3-1.0
11-14
1.5-2.5
0-0.5
 
 
≤0.06
≤0.08
>80
≤240
 
A+C
7
ZGMn17Cr2
1.1-1.4
0.3-1.0
16-19
1.0-2.0
 
Ti0.2-0.4
 
≤0.06
≤0.08
>50
≤260
 
A+C
8
ZG20Cr25Ni12
≤0.20
≤0.20
≤0.20
24-28
0-0.5
4-6
 
≤0.04
≤0.04
HR≥229
 
590
A+F
9
ZG40Cr24Mi20
0.2-0.5
≤0.20
≤0.20
24-28
0-0.5
11-14
 
≤0.04
≤0.04
 
 
490
A+F
10
KmTBCr15Mo2
0.35-0.45
≤0.20
≤0.20
23-27
0-0.5
19-22
 
≤0.04
≤0.04
 
 
440
A+F
11
KmTBCr15Mo2
2-2.8
≤0.10
0.5-1.0
13-18
0.2-2.5
0-1.0
0-1.2
≤0.06
≤0.10
 
≥53
 
M+A+C
12
KmTBCr20Mo2
2-3.0
≤0.10
0.5-1.0
18-22
0-1.5
0-1.5
0.8-1.2
≤0.06
≤0.10
≥3
≥58
 
M+A+C
13
KmTBCr26
2-3.0
≤0.10
0.5-1.0
23-28
0-1.0
0-1.5
0-2.0
≤0.06
≤0.10
 
≥58
 
M+A+C

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