2024年3月13日发(作者：靖文心)
表5-41不锈耐蚀铸钢的钢号与化学成分（质量分数）(%)
钢号
GX12Cr12
GX7CrNiMo12
-1
GX4CrNi13-4
GX4CrNiMo16
-5-1
GX4CrNiMo16
-5-2
GX5CrNiCu16
-4
GX2CrNi19-
11
GX5CrNi19-
10
GX5CrNiNb19
-11
GX2CrNiMo19
-11-2
GX5CrNiMo19
-11-2
GX5CrNiMoNb
19-11-2
GX5CrNiMo19
-11-3
GX2CrNiMoN1
7-13-4
数字牌号>CSi
≤1.00
≤1.00
≤1.00
≤0.80
≤0.80
≤0.80
Mn
≤1.00
≤1.00
≤1.00
≤1.00
≤1.00
≤1.00
P≤
0.035
0.035
0.035
0.035
0.035
0.035
奥氏体型铸钢
1.4309≤0.030
1.4308≤0.07
1.4552≤0.07
1.4409≤0.03
1.4408≤0.07
1.4581≤0.07
1.4412≤0.07
1.4446≤0.030
≤1.50
≤1.50
≤1.50
≤1.50
≤1.50
≤1.50
≤1.50
≤1.00
≤2.00
≤1.50
≤1.50
≤2.00
≤1.50
≤1.50
≤1.50
≤1.50
0.035
0.04
0.04
0.035
0.04
0.04
0.04
0.04
0.02518.00~20.009.00~12.00
0.0318.00~20.008.00~11.00
0.0318.00~20.009.00~12.00
0.02518.00~20.009.00~12.00
0.0318.00~20.009.00~12.00
0.0318.00~20.009.00~12.00
0.0318.00~20.0010.00~13.00
0.0316.50~18.5012.50~14.50
S≤
马氏体型铸钢
1.4011≤0.15
1.4408≤0.10
1.4317≤0.06
1.4406≤0.06
1.4411≤0.06
1.4525≤0.07
0.02511.50~13.50≤1.00
0.02512.00~13.501.00~2.00
0.02512.00~13.503.50~5.00
0.02515.00~17.004.00~6.00
0.02515.00~17.004.00~6.00
0.02515.00~17.003.50~5.50
CrNi
高Ni奥氏体型铸钢
GX2CrNiMo28
1.4458
-20-2
GX4NiCrCuMo
1.4527
30-20-4
GX2NiCrMoCu
1.4584
25-20-5
GX2NiCrMoN2
1.4416
5-20-5
GX2NiCrMoCu
1.4587
N29-25-5
GX2NiCrMoCu
1.4588
N25-20-5
GX2CrNiMoCu
1.4593
N20-18-6
奥氏体—铁素体型铸钢
GX6CrNiN26-
1.4347
7
GX2CrNiMoN2
1.447
2-5-3
GX2CrNiMoN2
1.4468
2-6-3
GX2CrNiMoCu
1.4517
N25-6-3-3
GX2CrNiMoN2
1.4417
5-7-3
≤0.030
≤0.06
≤0.025
≤0.030
≤0.030
≤0.025
≤0.025
≤1.00
≤1.50
≤1.00
≤1.00
≤1.00
≤1.00
≤1.00
≤2.00
≤1.50
≤2.00
≤1.00
≤2.00
≤2.00
≤1.20
0.035
0.04
0.035
0.035
0.035
0.035
0.035
0.02519.00~22.0026.00~30.00
0.0319.00~22.0027.50~30.50
0.0219.00~21.0024.00~26.00
0.0219.00~21.0024.00~26.00
0.02524.00~26.0028.00~30.00
0.0219.00~21.0024.00~26.00
0.0119.50~20.5017.50~19.50
≤0.08
≤0.030
≤0.030
≤0.030
≤0.030
≤1.50
≤1.00
≤1.00
≤1.00
≤1.00
≤1.50
≤2.00
≤2.00
≤1.50
≤1.50
0.035
0.035
0.035
0.035
0.03
0.0225.00~27.005.50~7.50
0.02521.00~23.004.50~6.50
0.02524.50~26.505.50~7.00
0.02524.50~26.505.00~7.00
0.0224.00~26.006.00~8.50
GX2CrNiMoN2
6-7-4
1.4469≤0.030≤1.00≤1.500.0350.02525.00~27.006.00~8.00
b. 不锈耐蚀铸钢的热处理与力学性能，见表5-43。
表5-43不锈耐蚀铸钢的热处理与室温力学性能
热处理
钢号数字编号
代号
淬火或固溶
回火/℃
处理/℃
950~1050
1000~1050
1000~1050
1000~1050
1000~1050
1020~1070
1020~1070
1020~1070
1020~1070
650~750
620~720
590~620
500~530
600~680
560~620
580~630
580~630
560~610
560~610
室温力学性能
σ0.2 ≥
σb ≥/ MPa
/MPa
620
590
760
900
—
700
760
760
900
1100
450
440
550
830
—
500
540
540
750
1000
铸件厚度
/mm
马氏体型铸钢
σ1.0 ≥/
MPa
—
—
—
—
—
—
—
—
—
—
GX12Cr121.4011+QT
GX7CrNiMo12
1.4408+QT
-1
+QT1
GX4CrNi13-41.4317
+QT2
+QT3
GX4CrNiMo16
1.4406
-5-
GX4CrNiMo16
1.4411
-5-2
GX5CrNiCu16
1.4525
-4
GX2CrNi19-
11
GX5CrNi19-
10
GX5CrNiNb19
-11
GX2CrNiMo19
-11-12
GX5CrNiMo19
-11-2
GX5CrNiMoNb
19-11-2
GX5CrNiMo19
-11-3
GX2CrNiMoN1
7-13-4
GX2CrNiMo28
-20-2
GX4NiCrCuMo
30-20-4
GX2NiCrMoCu
25-20-5
GX2NiCrMoN2
5-20-5
GX2NiCrMoCu
N29-25-5
GX2NiCrMoCu
N25-20-5
GX2CrNiMoCu
N20-18-6
+QT
+QT
+QT1
+QT2
150
300
300
300
300
—
300
300
300
300
奥氏体型铸钢
1.4309
1.4308
1.4452
1.4409
1.4408
1.4581
1.4412
1.4446
+AT
+AT
+AT
+AT
+AT
+AT
+AT
+AT
1050~1150
1050~1150
1050~1150
1080~1150
1080~1150
1080~1150
1120~1180
1140~1180
—
—
—
—
—
—
—
—
150
150
150
150
150
150
150
150
440
440
440
440
440
440
440
440
185
175
175
195
185
185
205
210
210
200
200
220
210
210
230
235
高Ni奥氏体型铸钢
1.4458
1.4527
1.4584
1.4416
1.4587
1.4588
1.4593
+AT
+AT
+AT
+AT
+AT
+AT
+AT
1080~1180
1140~1180
1160~1200
1160~1200
1170~1120
1200~1240
1200~1240
—
—
—
—
—
—
—
150
150
150
150
150
50
50
430
430
450
450
480
480
500
165
170
185
185
220
210
260
190
195
210
210
245
235
285
2024年3月13日发(作者：靖文心)
表5-41不锈耐蚀铸钢的钢号与化学成分（质量分数）(%)
钢号
GX12Cr12
GX7CrNiMo12
-1
GX4CrNi13-4
GX4CrNiMo16
-5-1
GX4CrNiMo16
-5-2
GX5CrNiCu16
-4
GX2CrNi19-
11
GX5CrNi19-
10
GX5CrNiNb19
-11
GX2CrNiMo19
-11-2
GX5CrNiMo19
-11-2
GX5CrNiMoNb
19-11-2
GX5CrNiMo19
-11-3
GX2CrNiMoN1
7-13-4
数字牌号>CSi
≤1.00
≤1.00
≤1.00
≤0.80
≤0.80
≤0.80
Mn
≤1.00
≤1.00
≤1.00
≤1.00
≤1.00
≤1.00
P≤
0.035
0.035
0.035
0.035
0.035
0.035
奥氏体型铸钢
1.4309≤0.030
1.4308≤0.07
1.4552≤0.07
1.4409≤0.03
1.4408≤0.07
1.4581≤0.07
1.4412≤0.07
1.4446≤0.030
≤1.50
≤1.50
≤1.50
≤1.50
≤1.50
≤1.50
≤1.50
≤1.00
≤2.00
≤1.50
≤1.50
≤2.00
≤1.50
≤1.50
≤1.50
≤1.50
0.035
0.04
0.04
0.035
0.04
0.04
0.04
0.04
0.02518.00~20.009.00~12.00
0.0318.00~20.008.00~11.00
0.0318.00~20.009.00~12.00
0.02518.00~20.009.00~12.00
0.0318.00~20.009.00~12.00
0.0318.00~20.009.00~12.00
0.0318.00~20.0010.00~13.00
0.0316.50~18.5012.50~14.50
S≤
马氏体型铸钢
1.4011≤0.15
1.4408≤0.10
1.4317≤0.06
1.4406≤0.06
1.4411≤0.06
1.4525≤0.07
0.02511.50~13.50≤1.00
0.02512.00~13.501.00~2.00
0.02512.00~13.503.50~5.00
0.02515.00~17.004.00~6.00
0.02515.00~17.004.00~6.00
0.02515.00~17.003.50~5.50
CrNi
高Ni奥氏体型铸钢
GX2CrNiMo28
1.4458
-20-2
GX4NiCrCuMo
1.4527
30-20-4
GX2NiCrMoCu
1.4584
25-20-5
GX2NiCrMoN2
1.4416
5-20-5
GX2NiCrMoCu
1.4587
N29-25-5
GX2NiCrMoCu
1.4588
N25-20-5
GX2CrNiMoCu
1.4593
N20-18-6
奥氏体—铁素体型铸钢
GX6CrNiN26-
1.4347
7
GX2CrNiMoN2
1.447
2-5-3
GX2CrNiMoN2
1.4468
2-6-3
GX2CrNiMoCu
1.4517
N25-6-3-3
GX2CrNiMoN2
1.4417
5-7-3
≤0.030
≤0.06
≤0.025
≤0.030
≤0.030
≤0.025
≤0.025
≤1.00
≤1.50
≤1.00
≤1.00
≤1.00
≤1.00
≤1.00
≤2.00
≤1.50
≤2.00
≤1.00
≤2.00
≤2.00
≤1.20
0.035
0.04
0.035
0.035
0.035
0.035
0.035
0.02519.00~22.0026.00~30.00
0.0319.00~22.0027.50~30.50
0.0219.00~21.0024.00~26.00
0.0219.00~21.0024.00~26.00
0.02524.00~26.0028.00~30.00
0.0219.00~21.0024.00~26.00
0.0119.50~20.5017.50~19.50
≤0.08
≤0.030
≤0.030
≤0.030
≤0.030
≤1.50
≤1.00
≤1.00
≤1.00
≤1.00
≤1.50
≤2.00
≤2.00
≤1.50
≤1.50
0.035
0.035
0.035
0.035
0.03
0.0225.00~27.005.50~7.50
0.02521.00~23.004.50~6.50
0.02524.50~26.505.50~7.00
0.02524.50~26.505.00~7.00
0.0224.00~26.006.00~8.50
GX2CrNiMoN2
6-7-4
1.4469≤0.030≤1.00≤1.500.0350.02525.00~27.006.00~8.00
b. 不锈耐蚀铸钢的热处理与力学性能，见表5-43。
表5-43不锈耐蚀铸钢的热处理与室温力学性能
热处理
钢号数字编号
代号
淬火或固溶
回火/℃
处理/℃
950~1050
1000~1050
1000~1050
1000~1050
1000~1050
1020~1070
1020~1070
1020~1070
1020~1070
650~750
620~720
590~620
500~530
600~680
560~620
580~630
580~630
560~610
560~610
室温力学性能
σ0.2 ≥
σb ≥/ MPa
/MPa
620
590
760
900
—
700
760
760
900
1100
450
440
550
830
—
500
540
540
750
1000
铸件厚度
/mm
马氏体型铸钢
σ1.0 ≥/
MPa
—
—
—
—
—
—
—
—
—
—
GX12Cr121.4011+QT
GX7CrNiMo12
1.4408+QT
-1
+QT1
GX4CrNi13-41.4317
+QT2
+QT3
GX4CrNiMo16
1.4406
-5-
GX4CrNiMo16
1.4411
-5-2
GX5CrNiCu16
1.4525
-4
GX2CrNi19-
11
GX5CrNi19-
10
GX5CrNiNb19
-11
GX2CrNiMo19
-11-12
GX5CrNiMo19
-11-2
GX5CrNiMoNb
19-11-2
GX5CrNiMo19
-11-3
GX2CrNiMoN1
7-13-4
GX2CrNiMo28
-20-2
GX4NiCrCuMo
30-20-4
GX2NiCrMoCu
25-20-5
GX2NiCrMoN2
5-20-5
GX2NiCrMoCu
N29-25-5
GX2NiCrMoCu
N25-20-5
GX2CrNiMoCu
N20-18-6
+QT
+QT
+QT1
+QT2
150
300
300
300
300
—
300
300
300
300
奥氏体型铸钢
1.4309
1.4308
1.4452
1.4409
1.4408
1.4581
1.4412
1.4446
+AT
+AT
+AT
+AT
+AT
+AT
+AT
+AT
1050~1150
1050~1150
1050~1150
1080~1150
1080~1150
1080~1150
1120~1180
1140~1180
—
—
—
—
—
—
—
—
150
150
150
150
150
150
150
150
440
440
440
440
440
440
440
440
185
175
175
195
185
185
205
210
210
200
200
220
210
210
230
235
高Ni奥氏体型铸钢
1.4458
1.4527
1.4584
1.4416
1.4587
1.4588
1.4593
+AT
+AT
+AT
+AT
+AT
+AT
+AT
1080~1180
1140~1180
1160~1200
1160~1200
1170~1120
1200~1240
1200~1240
—
—
—
—
—
—
—
150
150
150
150
150
50
50
430
430
450
450
480
480
500
165
170
185
185
220
210
260
190
195
210
210
245
235
285