轧辊用铸钢的钢号与化学成分（质量分数）（%）-j9九游会

钢  号

c

si

mn

p

s

cr

ni

mo

≤

≤

碳 素 铸 钢

zu70

0.65~0.75

0.20~0.45

0.50~0.80

0.04

40

—

—

—

zu70mn

0.65~0.75

0.20~0.45

0.90~1.20

0.04

0.04

—

—

—

zu80

0.75~085

0.20~0.45

0.50~0.80

0.04

0.04

—

—

—

合 金 铸 钢

zu60crmnmo

0.55~0.65

0.20~0.45

0.90~1.20

0.035

0.03

0.80~1.20

—

0.20~0.45

zu65crnimo

0.60~0.70

0.20~0.60

0.50~0.80

0.035

0.03

0.80~1.20

0.20~0.50

0.20~0.45

zu70mn2

0.65~0.75

0.20~0.45

1.40~1.80

0.035

0.03

—

—

—

zu70mn2mo

0.65~0.75

0.20~0.45

1.40~1.80

0.035

0.03

—

—

0.20~0.45

zu75crmo

0.70~0.80

0.20~0.45

0.60~0.90

0.035

0.03

0.75~1.20

—

0.20~0.45

zu75crnimnmo

0.70~0.80

0.20~0.60

0.70~1.10

0.035

0.03

0.90~1.20

0.20~0.50

0.20~0.45

zu80cr

0.75~0.85

0.20~0.45

0.50~0.80

0.035

0.03

0.45~0.70

—

—

半 钢

zub140crmo

1.30~1.50

0.30~0.60

0.70~1.10

0.035

0.03

0.80~1.20

—

0.20~0.45

zub140crnimo

1.30~1.50

0.30~0.60

0.70~1.10

0.035

0.03

0.80~1.20

≥0.20

0.20~0.60

zub160crmo

1.50~1.70

0.30~0.60

0.70~1.10

0.035

0.03

0.80~1.20

—

0.20~0.60

zub140crnimo

1.50~1.70

0.30~0.60

0.70~1.10

0.035

0.03

0.80~1.20

≥0.20

0.20~0.60

石 墨 钢

zus140sicrmo

1.30~1.50

1.30~1.60

0.50~0.80

0.035

0.03

0.40~0.70

—

0.20~0.50

zus150sicrnimo

1.40~1.60

1.00~1.60

0.60~1.00

0.035

0.03

0.60~1.00

≥0.20

0.20~0.50