Casting steel ball

Model

17mm-130mm

Name

Low Chrome Casting Steel Ball

Chemical Composition

C:2.1-3.6,Si:≤1.5,Mn:0.3-1.5,Cr:1.0-3.0,P:≤0.10,S:≤0.10

Hardness

≥45HRC

Breakage Rate

≤1%

Impact Value

1.5J/cm2

Out of Roundness Rate

≤1%

Processing Technic

Iron→Add Alloyed Material→Furnace Heating→Pouring to the Model→Out of the Model→Finishing→Quenching→Cooling→Tempering→Packaging

Model

17mm-130mm

Name

Middle Chrome Casting Steel Ball

Chemical Composition

C:2.1-3.3,Si:≤1.5,Mn:0.3-1.5,Cr:4.0-8.0,P:≤0.10,≤:0.10

Hardness

≥50HRC

Breakage Rate

≤1%

Impact Value

2.5J/cm2

Out of Roundness Rate

≤1%

Processing Technic

Iron→Add Alloyed Material→Furnace Heating→Pouring to the Model→Out of the Model→Finishing→Quenching→Cooling→Tempering→Packaging

Modle

17mm-130mm

Name

High Chrome Casting Steel Ball

Chemical Composition

C:2.0-3.3,Si:≤1.2,Mn:0.3-1.5,Cr:≥10.0,P:≤0.10,S:≤0.06

Hardness

≥58HRC

Breakage

≤1%

Impact Value

3-7J/cm2

Out of Roundness Rate

≤1%

Processing Technic

Iron→Add Alloyed Material→Furnace Heating→Pouring to the Model→Out of the Model→Finishing→Quenching→Cooling→Tempering→Packaging