Item

   Cr-Mo

Alloy Steel I

Cr-Mo

Alloy Steel II

Cr-Mo

Alloy Steel III

High Cr white iron

High Cr Alloy Steel

High Manganese Steel

Ni-Hard cast iron

C

0.30~0.50

0.65~0.90

0.40~0.90

2.40~3.20

1.1~2.2

0.90~1.30

2.40~3.60

Si

0.50~1.20

≤0.75

0.70~1.20

0.60~1.20

0.60~1.20

≤0.08

≤0.80

Mn

0.40~1.20

0.50~1.20

0.60~1.00

0.50~1.00

0.50~1.00

11.00~18.00

≤2.0

Cr

1.70~2.50

1.50~2.50

4.00~7.00

12.00~30.00

11.00~30.00

1.50~2.50

1.5~10

S

≤0.04

≤0.06

≤0.04

≤0.04

≤0.04

≤0.04

≤0.15

P

≤0.04

≤0.06

≤0.06

≤0.06

≤0.06

≤0.06

≤0.15

Mo

≤0.5

≤0.5

≤0.5

0.10~3.0

0.10~3.0

≤1.0

≤0.10

Cu

0.10~0.60

≤0.25

0.20~0.40

0.10~1.00

0.10~1.00

-

-

Ni

≤0.50

≤0.30

0~0.30

0~0.30

0~0.30

-

3.3~10

Re

≤0.02

≤0.02

≤0.02

-

-

-

-

Equivalent

Specifications

DL/T 681-1999

GB/T26651-2011

AS 2074 L2B Mod

DL/T 681-1999

GB/T 8263-1999

AS 2027 Cr27

AS 2027 CrMo 15/3

AS 2027 CrMo 20/2/1

ASTM A532 Class III type A 25% Cr

ASTM A532Class II type B 15% Cr-Mo

BS 4844 3E

DIN1695

NFA32401.

GB/T 5680-1998

DL/T 681-1999

JIS G 5153-1999

ASTM A 128

DIN GX120Mn12

AFNOR:Z120Mn12

GB/T 8263-1999

AS 2027/Ni-Cr1-550

AS 2027/Ni-Cr2-500

AS 2027/Ni-Cr4-500

AS 2027/Ni-Cr4-600

AS 2027/Ni-Cr4-630

ASTM A 532 1-A,B,C,D

ASTM A 532 2-A,B,C,D,E

ASTM A 532 3-A

Material Type

Martensite Steel

Martensite or

Pearlitic Cr Mo Steel

Martensite Steel

Martensite matrix