Steel Grinding Media Of Cement Mill Grinding Balls For Coal Mills DF025

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

0.2