种类

名称

C

Mn

Si

Ni

Cr

A

Ni-Cr-Hc

2.8~3.6

≤2.0

≤0.8

3.3~5.0

1.4~4.0

B

Ni-Cr-Lc

2.4~3.0

≤2.0

≤0.8

3.3~5.0

1.4~4.0

C

Ni-Cr-GB

2.5~3.7

≤2.0

≤0.8

≤4.0

1.0~2.5

D

Ni-HiCr

2.5~3.6

≤2.0

≤2.0

4.5~7.0

7.0~11.0