化学成份、机械性能、金相组织
序号
|
种类
|
牌号
|
化学成份
|
机械性能
|
金相组织
|
||||||||||
C
|
Si
|
Mn
|
Cr
|
Mo
|
Ni
|
Cu
|
S
|
P
|
Ak
(J/cm2)
|
HRC
|
σb
(Mpa)
|
||||
1
|
中碳中铬Ⅰ
|
ZG30Cr5MoRE
|
0.25-0.35
|
0.3-1.0
|
0.3-1.0
|
4.5-5.5
|
0.2-1.0
|
|
|
≤0.045
|
≤0.045
|
≥25
|
≥45
|
|
M+B+C
|
2
|
中碳中铬Ⅱ
|
ZG40Cr5MoRE
|
0.35-0.45
|
0.3-1.0
|
0.3-1.0 |
4.5-5.5
|
0.2-1.0
|
|
|
≤0.045
|
≤0.045
|
≥20
|
≥48
|
|
M+B+C
|
3
|
中碳低合金
|
ZG40CrMoNiRE
|
0.3-0.5
|
0.7-1.5
|
0.3-1.0 |
1.2-1.8
|
0.2-0.6
|
0.1-0.4
|
|
≤0.04
|
≤0.04
|
≥30
|
≥40
|
|
M+F
|
4
|
低碳高合金
|
ZG20Cr9NiMo
|
0.15-3.5
|
≤1.0
|
0.3-1.0 |
8-10
|
0.4-0.8
|
1.4-1.8
|
≤0.1
|
≤0.045
|
≤0.045
|
≥40
|
≥40
|
|
M+C
|
5
|
铬钼镍合金钢
|
ZG45Cr3NiMoMn-RE
|
0.4-0.50
|
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
|
6
|
90铬合金钢
|
ZG90Cr6MoMn
|
0.85-0.95
|
0.4-0.8
|
0.4-0.8
|
5-8
|
0.2-0.4
|
|
|
≤0.045
|
≤0.045
|
≥7
|
≥50
|
|
M+C
|
7
|
普通高猛钢
|
ZGMn13
|
1.1-1.4
|
0.3-1.0
|
11-14
|
|
|
|
|
≤0.06
|
≤0.10
|
≥147
|
HB
≤229
|
637
|
A+C
|
8
|
改性高锰钢
|
ZGMn13Cr2
|
1.1-1.4
|
0.3-1.0
|
11-14
|
0.5-2.5
|
|
|
|
≤0.06
|
≤0.10
|
≥80
|
≤240
|
|
A+C
|
9
|
超高锰钢
|
ZGMn17Cr2
|
1.1-1.4
|
0.3-1.0
|
16-19
|
1.0-2.0
|
|
Ti0.2-0.4
|
|
≤0.06
|
≤0.10
|
≥50
|
≤260
|
|
A+C
|
10
|
耐热钢
|
ZG20Cr26Ni5
|
≤0.20
|
≤2.0
|
≤0.2
|
24-28
|
≤0.5
|
4-6
|
|
≤0.04
|
≤0.04
|
|
|
590
|
A+F
|
11
|
HH
|
ZG20Cr26Ni12
|
0.2-0.5
|
≤2.0
|
≤0.2
|
24-28
|
≤0.5
|
11-14
|
|
≤0.045
|
≤0.045
|
|
|
490
|
A+F
|
12
|
HK
|
ZG40Cr25Ni20
|
0.35-0.45
|
≤2.0
|
≤0.2
|
23-27
|
≤0.5
|
19-22
|
|
≤0.045
|
≤0.045
|
|
|
440
|
A+F
|
13
|
高铬铸铁
|
KmTBCr15Mo2
|
2-2.8
|
≤1.2
|
0.5-1.0
|
13-18
|
0.2-2.5
|
0-1.0
|
0-1.2
|
≤0.06
|
≤0.10
|
|
≥53
|
|
M+A+C
|
14
|
高铬铸铁
|
KmTBCr20Mo2
|
2-3.0
|
≤1.2
|
0.5-1.0
|
18-22
|
1.5-2.5
|
0-1.5
|
0.8-1.2
|
≤0.06
|
≤0.10
|
≥3
|
≥58
|
|
M+A+C
|
15
|
高铬铸铁
|
KmTBCr26
|
2-3.0
|
≤1.2
|
0.5-1.0
|
23-28
|
0-1.0
|
0-1.5
|
0-2.0
|
≤0.06
|
≤0.10
|
|
≥55
|
|
M+A+C
|
16
|
高铬铸钢
|
ZGCr12SiMn-GT
|
1.0-2.0
|
≤1.2
|
0.5-2.0
|
12-14
|
0-1.0
|
0-1.0
|
0-1.0
|
≤0.06
|
≤0.10
|
≥3.2
|
≥55
|
|
M+A+C
|
17
|
高铬铸钢
|
ZGCr15SiMn-GT
|
1.0-2.0
|
≤1.2
|
0.5-2.0
|
15-17
|
0-1.0
|
0-1.0
|
0-1.0
|
≤0.06
|
≤0.10
|
≥3.5
|
≥55
|
|
M+A+C
|
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