大型低合金钢铸件化学成分的质量分数(JB/T 6402—2006)　　　　　　　　　　　　　　　　　　　　%

材料牌号

C

Si

Mn

P

S

Cr

Ni

Mo

Cu

ZG20Mn

0.16~0.22

0.60~0.80

1.00~1.30

≤0.030

≤0.030

—

≤0.40

—

—

ZG30Mn

0.27~0.34

0.30~0.50

1.20~1.50

≤0.030

≤0.030

—

—

—

—

ZG35Mn

0.30~0.40

0.60~0.80

1.10~1.40

≤0.030

≤0.030

—

—

—

—

ZG40Mn

0.35~0.45

0.30~0.45

1.20~1.50

≤0.030

≤0.030

—

—

—

—

ZG40Mn2

0.35~0.45

0.20~0.40

1.60~1.80

≤0.030

≤0.030

—

—

—

—

ZG45Mn2

0.42~0.49

0.20~0.40

1.60~1.80

≤0.030

≤0.030

—

—

—

—

ZG50Mn2

0.45~0.55

0.20~0.40

1.50~1.80

≤0.030

≤0.030

—

—

—

—

ZG35SiMnMo

0.32~0.40

1.10~1.40

1.10~1.40

≤0.030

≤0.030

—

—

0.20~0.30

≤0.30

ZG35CrMnSi

0.30~0.40

0.50~0.75

0.90~1.20

≤0.030

≤0.030

0.50~0.80

—

—

—

ZG20MnMo

0.17~0.23

0.20~0.40

1.10~1.40

≤0.030

≤0.030

—

—

0.20~0.35

≤0.30

ZG30Cr1MnMo

0.25~0.35

0.17~0.45

0.90~1.20

≤0.030

≤0.030

0.90~1.20

—

0.20~0.30

—

ZG55CrMnMo

0.50~0.60

0.25~0.60

1.20~1.60

≤0.030

≤0.030

0.60~0.90

—

0.20~0.30

≤0.30

ZG40Cr1

0.35~0.45

0.20~0.40

0.50~0.80

≤0.030

≤0.030

0.80~1.10

—

—

—

ZG34Cr2Ni2Mo

0.30~0.37

0.30~0.60

0.60~1.00

≤0.030

≤0.030

1.40~1.70

1.40~1.70

0.15~0.35

—

ZG15Cr1Mo

0.12~0.20

≤0.60

0.50~0.80

≤0.030

≤0.030

1.00~1.50

—

0.45~0.65

—

ZG20CrMo

0.17~0.25

0.20~0.45

0.50~0.80

≤0.030

≤0.030

0.50~0.80

—

0.45~0.65

—

ZG35Cr1Mo

0.30~0.37

0.30~0.50

0.50~0.80

≤0.030

≤0.030

0.80~1.20

—

0.20~0.30

—

ZG42Cr1Mo

0.38~0.45

0.30~0.60

0.60~1.00

≤0.030

≤0.030

0.80~1.20

—

0.20~0.30

—

ZG50Cr1Mo

0.46~0.54

0.25~0.50

0.50~0.80

≤0.030

≤0.030

0.90~1.20

—

0.15~0.25

—

ZG65Mn

0.60~0.70

0.17~0.37

0.90~1.20

≤0.030

≤0.030

—

—

—

—

ZG28NiCrMo

0.25~0.30

0.30~0.80

0.60~0.90

≤0.030

≤0.030

0.35~0.85

0.40~0.80

0.35~0.55

—

ZG30NiCrMo

0.25~0.35

0.30~0.60

0.70~1.00

≤0.030

≤0.030

0.60~0.90

0.60~1.00

0.35~0.50

—

ZG35NiCrMo

0.30~0.37

0.60~0.90

0.70~1.00

≤0.030

≤0.030

0.40~0.90

0.60~0.90

0.40~0.50

—