钢铁化学成分.doc
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钢号
化学成分(%) 机械性能(≥)
C
Si
Mn
P≤
S≤
Cr
Ni
Mo
Cu
V
σb
MPa
σb
MPa
δ%
Ψ
%
HB
AKv
J
碳
钢
铸
件
ZG200-400
≤0.20
≤0.50
≤0.80
0.04
0.04
≤0.30
≤0.30
≤0.20
≤0.30
≤0.05
400
200
25
40
30
ZG230-450
≤0.30
≤0.50
≤0.90
0.04
0.04
≤0.30
≤0.30
≤0.20
≤0.30
≤0.05
450
230
22
23
25
ZG270-500
≤0.40
≤0.50
≤0.90
0.04
0.04
≤0.30
≤0.30
≤0.20
≤0.30
≤0.05
500
270
18
25
22
ZG310-570
≤0.50
≤0.60
≤0.90
0.04
0.04
≤0.30
≤0.30
≤0.20
≤0.30
≤0.05
570
300
15
21
15
ZG340-640
≤0.60
≤0.60
≤0.90
0.04
0.04
≤0.30
≤0.30
≤0.20
≤0.30
≤0.05
640
340
10
18
10
WCA
≤0.25
≤0.60
≤0.70
0.04
0.045
≤0.50
≤0.50
≤0.20
≤0.30
≤0.03
415~585
205
24
35
WCB
≤0.30
≤0.60
≤1.0
0.04
0.045
≤0.50
≤0.50
≤0.20
≤0.30
≤0.03
485~655
250
22
35
WCC
≤0.25
≤0.60
≤1.20
0.04
0.045
≤0.50
≤0.50
≤0.20
≤0.30
≤0.03
485~655
275
22
35
低
合
金
钢
ZG20CrMo
0.17~0.25
0.20~0.45
0.50~0.80
0.03
0.03
0.50~0.80
0.40~0.60
460
245
18
30
24
ZG35CrMo
0.30~0.37
0.30~0.50
0.50~0.80
0.03
0.03
0.80~1.20
0.20~0.30
740~880
510
12
27
ZG40Cr
0.35~0.45
0.20~0.40
0.50~0.80
0.03
0.03
0.80~1.10
≤0.15
630
345
18
26
≥212
ZG15W1Mo1V
0.14~0.20
0.15~0.37
0.40~0.70
0.03
0.03
1.20~1.70
1.0~1.20
539
343
20
35
≥140
WC1
≤0.25
≤0.60
0.50~0.80
0.04
0.045
≤0.35
≤0.50
0.45~0.65
≤0.50
W≤0.10
450~620
240
24
35
WC5
0.05~0.20
≤0.60
0.40~0.70
0.04
0.045
0.50~0.90
0.60-1.0
0.90~1.20
≤0.50
W≤0.10
485~655
275
20
35
WC6
0.05~0.20
≤0.60
0.50~0.80
0.04
0.045
1.0~1.50
≤0.50
0.45~0.65
≤0.50
W≤0.10
485~655
275
20
35
WC9
0.05~0.18
≤0.60
0.40~0.70
0.04
0.045
2.0~2.75
≤0.50
0.90~1.20
≤0.50
W≤0.10
485~655
275
20
35
4C
≤0.30
≤0.80
≤1.00
0.04
0.045
0.40~0.80
0.40~0.80
0.15~0.30
≤0.50
≤0.30
≥620
≥415
≥18
≥35
A487(MS-512-06)
≤0.30
≤0.80
≤1.00
0.04
0.04
0.40~0.80
0.40~0.80
0.15~0.25
≤0.30
≥655
≥517
≥18
≥35
207-237
低
温
钢
LCB(-46℃)
≤0.30
≤0.60
≤1.0
0.04
0.04
450~620
240
24
35
≥18
LC3(-101℃)
≤0.15
≤0.60
0.50~0.80
0.04
0.045
3.0~4.0
485~655
275
24
35
≥20
CF8(-196℃)
≤0.08
≤1.50
≤1
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