BS标准精密铸钢和精密铸造合金标准.docx
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BS标准精密铸钢和精密铸造合金标准
序号名称页码
BS3146Part1-1992精密铸钢和精密铸造合金
碳素精密铸钢和低合金精密铸钢的力学性能
钢号
力学性能（不小于）
硬度
HBS
σb/MPa
σs/MPa
δ（%）
Izod冲击吸引功/J
CLA1gradeA
430
195
15
-
121~174
CLAgradeB
500
215
13
-
143~185
CLAgradeC
540
245
13
-
163~207
CLA2
550~700
≤310
13
40.7
152~201
CLA3
700~850
495
11
33.9
201~255
CLA4
850~1000
585
11
20.3
245~302
CLA5gradeA
1000
880
9
40.7
269~321
CLA5gradeB
1160
1000
5
13.6
341~388
CLA7
620~770
480
14
33.9
174~223
CLA8
540
245
15
-
>500HV
CLA9
495
215
15
27.1
-
CLA10
700
350
14
40.7
-
CLA11
800~1000
600
8
20.3
248~302
CLA12gradeA
700
-
8
-
≤207
CLA12gradeB
-
-
-
-
≤293
CLA12gradeC
-
-
-
-
≤341
CLA13
700
350
14
40.7
碳素精密铸钢和低合金精密铸钢的钢号与化学成分（质量分数）（%）
钢号
C
Si
Mn
P
≤
S
≤
Cr
Mo
Ni
其他
CLA1gradeA
0.15~0.25
0.20~0.60
0.40~1.00
0.035
0.035
≤0.30
≤0.10
≤0.40
Cu≤0.30
CLAgradeB
0.25~0.35
0.20~0.60
0.40~1.00
0.035
0.035
≤0.30
≤0.10
≤0.40
Cu≤0.30
CLAgradeC
0.35~0.45
0.20~0.60
0.40~1.00
0.035
0.035
≤0.30
≤0.10
≤0.40
Cu≤0.30
CLA2
0.18~0.25
0.20~0.50
1.20~1.70
0.035
0.035
≤0.30
≤0.10
≤0.40
Cu≤0.30
CLA7
0.15~0.25
0.30~0.80
0.30~0.60
0.035
0.035
2.50~3.50
0.35~0.60
≤0.40
Cu≤0.30
CLA8
0.37~0.45
0.20~0.60
0.50~0.80
0.035
0.035
≤0.30
≤0.10
≤0.40
Cu≤0.30
CLA9
0.10~0.18
0.20~0.60
0.60~1.00
0.035
0.035
≤0.30
≤0.10
≤0.40
Cu≤0.30
CLA10
0.10~0.18
0.20~0.60
0.30~0.60
0.035
0.035
≤0.30
≤0.10
2.75~3.50
Cu≤0.30
CLA11
0.20~0.30
0.30~0.80
0.50~1.00
0.035
0.035
2.90~3.50
0.40~0.70
≤0.40
V≤0.02
Cu≤0.30
Sn≤0.03
CLA12gradeA
0.45~0.55
0.30~0.8S0
0.50~1.00
0.035
0.035
0.80~1.20
≤0.10
≤0.40
Cu≤0.30
CLA12gradeB
0.45~0.55
0.30~0.80
0.50~1.00
0.035
0.035
0.80~1.20
≤0.10
≤0.40
Cu≤0.30
CLA12gradeC
0.55~0.65
0.30~0.80
0.50~1.00
0.035
0.035
0.80~1.50
0.20~0.40
≤0.40
Cu≤0.30
CLA13
0.12~0.20
0.20~0.60
0.30~0.70
0.035
0.035
≤0.30
0.20~0.40
1.50~2.00
Cu≤0.30
BS3146Part21992耐蚀、耐热精密铸钢和NiCo基精密铸造合金的钢号与化学成分[再确认]
钢号
C
Si
Mn
P
≤
S
≤
Cr
Ni
Mo
其他
ANC1gradeA
≤0.15
0.20~1.20
0.20~1.00
0.035
0.035
11.50~13.50
≤1.00
-
-
ANC1gradeB
0.12~0.20
0.20~1.20
0.20~1.00
0.035
0.035
11.50~13.50
≤1.00
-
-
ANC1gradeC
0.20~0.30
0.20~1.20
0.20~1.00
0.035
0.035
11.50~13.50
≤1.00
-
-
ANC2
0.12~0.25
0.20~1.00
0.20~1.00
0.035
0.035
15.50~20.00
1.50~3.00
-
-
ANC3gradeA
≤0.12
0.20~2.00
0.20~2.00
0.035
0.035
17.00~20.00
8.00~12.00
-
-
ANC3gradeB
≤0.12
0.20~2.00
0.20~2.00
0.035
0.035
17.00~20.00
8.50~12.00
-
Nb8×C
≤1.10
ANC4gradeA
≤0.08
0.20~0.15
0.20~2.00
0.035
0.035
18.00~20.00
11.00~14.00
3.00~4.00
-
ANC4gradeB
≤0.08
0.20~0.15
0.20~2.00
0.035
0.035
17.00~20.00
≥10.00
2.00~3.00
-
ANC4gradeC
≤0.12
0.20~0.15
0.20~2.00
0.035
0.035
17.00~20.00
≥10.00
2.00~3.00
Nb8×C
≤1.10
ANC5gradeA
≤0.50
0.20~3.00
0.20~2.00
-
-
22.00~27.00
17.00~22.00
-
-
ANC5gradeB
≤0.50
0.20~3.00
0.10~2.00
-
-
15.00~25.00
36.00~46.00
-
-
ANC5gradeC
≤0.75
0.20~3.00
0.20~2.00
-
-
10.00~20.00
25.00~65.00
-
-
ANC6gradeA
0.15~0.30
0.75~2.00
0.20~1.00
0.035
0.035
20.00~25.00
10.00~15.00
-
-
ANC6gradeB
0.15~0.30
0.75~2.00
0.20~1.00
0.035
0.035
20.00~25.00
10.00~15.00
-
W2.50~3.50
ANC7gradeC
0.05~0.15
0.75~2.00
0.20~1.00
0.035
0.035
20.00~25.00
10.00~15.00
-
W2.50~3.50
ANC8
0.08~0.15
0.20~1.00
0.20~1.00
-
-
18.00~22.00
余量
-
Ti0.2~0.6
Al≤0.3
Fe≤5.0
ANC9
0.04~0.10
0.20~1.00
0.20~1.00
-
-
18.00~22.00
余量
（含Co）
Ti2.2~3.0
Al0.8~1.6
Fe≤2.0
ANC10
0.05~0.13
0.20~1.00
0.20~1.00
-
-
18.00~21.00
余量
-
Co15.0~18.0
Ti2.0~2.7
Al1.0~1.6
Fe≤2.0
ANC11
0.27~0.04
0.20~0.45
0.20~0.50
-
-
18.00~23.00
余量
9.50~11.50
Co9.0~11.0
Ti≤0.30
Al≤0.20
Fe≤2.0
ANC13
0.40~0.55
0.50~1.00
0.50~1.00
-
-
24.50~26.50
9.50~11.50
-
W7.0~8.0
Fe≤2.0
Co余量
ANC14
0.20~0.30
0.20~1.00
0.20~1.00
-
-
25.00~29.00
1.75~3.75
5.00~6.00
Fe≤3.0
Co余量
ANC15
0.02~0.12
0.50~1.20
0.50~1.20
-
-
-
余量
26.00~30.00
Fe4.0~7.0
ANC16
0.05~0.15
0.50~1.20
0.50~1.20
-
-
15.50~17.50
余量
16.00~18.00
W3.75~5.25
Fe4.0W~7.0
ANC17
0.05~0.12
8.50~10.0
0.50~1.20
-
0.030
-
余量
-
Cu2.0~4.0
Fe≤2.0
ANC18gradeA
0.10~0.30
0.50~1.50
0.50~1.50
-
0.050
-
余量
-
Cu28.0~34.0
Fe≤3.0
Mg0.07~0.13
ANC18gradeB
0.05~0.15
2.50~3.00
0.50~1.50
-
0.050
-
余量
-
Cu28.0~34.0
Fe≤3.0
Mg0.07~0.13
ANC18gradeC
0.05~0.15
3.50~4.50
0.50~1.50
-
0.050
-
余量
-
Cu28.0~34.0
Fe≤3.0
Mg0.07~0.13
ANC19
≤0.06
0.10~0.40
0.10~0.50
-
0.015
19.00~21.00
余量
5.50~6.50
Nb/Ta
6.2~7.0
W2.0~3.0
Co≤2.0
Fe2.0~4.0
Cu≤0.2
ANC20
≤0.07
0.20~1.00
0.20~1.00
0.025
0.025
12.50~15.50
3.00~6.00
0.50~2.50
Nb≤0.50
Cu1.0~3.5
ANC21
≤0.05
≤0.75
≤0.75
0.050
0.050
25.00~27.00
4.75~6.00
1.75~2.25
Cu2.75~3.25
N≤0.1
ANC22gradeA
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