Grinding Steel Ball

We are offering Grinding Steel Ball.
Forging Grinding Steel Ball
Size: Diameter 20-150mm
Description:
1-whole high hardness: surface hardness to 55-67 HRC, volume hardness of 50-63 HRC, and the hardness gradient distribution average.
2-impact toughness high: impact toughness more than 12 J / cm2.
3-broken rate is low: the actual broken rate is not higher than 1%.
4-loss of round rate is low.
Product Category:
Alloy Grinding Steel Ball
Hardness: HRC45-55
Chemical Elements:
C:0.37-0.55 Si:0.17-0.37 Mn:0.50-0.80 S:≤0.40 P:≤0.40 Cr:≤0.25 Ni:≤0.25
Manganese Alloy Grinding Steel ball
Hardness: HRC50-60
Chemical Elements:
C:0.42-0.70 Si:0.17-0.37 Mn:0.70-1.00 S:≤0.40 P:≤0.40 Cr:≤0.25 Ni:≤0.25
High Efficiency Grinding Steel Ball
Hardness: HRC55-67
Chemical Elements:
C:0.70-0.85 Si:0.17-0.37 Mn:0.70-1.20 S:≤0.35 P:≤0.35 Cr:0.2-1.0
Casting Grinding Steel Ball
Size: Diameter 17-150mm
Description:
High Hardness, Good Wear Resistance, Good Toughness, Even wearing, No Breakage.
Product Category:
Low Chromium Casting Grinding Steel Ball
Hardness: HRC45-55
Chemical Elements:
C:2.2-2.5 Si:≤1.2 Mn:≤1.0 Cr:0.8-1.8 Mo: Minim Cu: Minim S:≤0.15 P:≤0.15
Middle Chromium Casting Grinding Steel Ball
Hardness: HRC48-60
Chemical Elements:
C:2.2-3.3 Si:≤1.2 Mn:≤1.0 Cr:2.5-9.0 Mo: Minim Cu: Minim S:≤0.15 P:≤0.15
High Chromium Casting Grinding Steel Ball
Hardness: HRC55-65
Chemical Elements:
C:1.6-3.3 Si:≤1.0 Mn:≤1.0 Cr:10-13 Mo:0.3-1.5 Cu:0.2-1 S:≤0.10 P:≤0.10
Super High Chromium Casting Grinding Steel Ball
Hardness: HRC55-65
Chemical Elements:
C:2.0-3.3 Si:≤1.0 Mn:≤2.5 Cr:≥15 Mo:1.0-2.0 Cu:0.8-1.5 S:≤0.10 P:≤0.10.