Specifications
1.High hardness,
2.Good wear resistance and long life,
3. Unbreakable,
4.HRC:50-65
5.High impact toughness
30-150mm grinding steel ball
Specifications:
(1) Characteristics:
a) High hardness and resistance ;
b) Good even wear ;
c) No breaking;
d) High hardness;
e) Even hardnessno matter surface or core;
f) High wear resistance,more dense tissue and abrasion lower;
(2) Applied fields:
a) Mining
b) Cement plants
c) Power stations
d) Chemical industry and machinery
Quality Service:
1.offer the solutions to your problems,
2.after -sale service,
3.regional manager track,
4.SGS Service
Main Prodcts:
1.Forged steel grinding ball
2.Rolled steel grinding ball
3.Cast iron balls
4.Grinding rods
5.Grinding cylpebs
6.Mill liner
7.Various kinds of steel flanges
8.8 characters blind plates
The Chemical Composition of Forged Alloy Steel Ball Is as Follows:
Material | C | Si | Mn | Cr | S | P | Times of Endurance impact test |
50Mn | 0.48-0.56 | 0.17-0.37 | 0.70-1.00 | ≤0.25 | ≤0.035 | ≤0.035 | ≥10000 |
60Mn | 0.57-0.65 | 0.17-0.37 | 0.70-1.00 | ≤0.25 | ≤0.035 | ≤0.035 | ≥10000 |
65Mn | 0.62-0.70 | 0.17-0.37 | 0.90-1.20 | ≤0.25 | ≤0.035 | ≤0.035 | ≥12000 |
B2 | 0.65-0.78 | 0.17-0.37 | 0.70-1.20 | 0.55-0.60 | ≤0.035 | ≤0.035 | ≥12000 |
75SiMn | 0.70-0.90 | 0.40-0.80 | 0.70-1.20 | ≤0.25 | ≤0.035 | ≤0.035 | ≥12000 |
Impact -resistant Alloy | 0.37-0.45 | 0.20-0.45 | 0.50-1.00 | 0.80-1.20 | ≤0.035 | ≤0.035 | ≥10000 |
Wear-resistant Alloy | 0.75-0.90 | 0.15-0.42 | 0.65-1.10 | 0.88-1.20 | ≤0.035 | ≤0.035 | ≥12000 |
Physical Property of Forged Alloy Steel Ball:
Materials | Impact Test (Ak.J/cm²) | Endurance Test Times (5m/T) | Surface Hardness (Dia25mm-90mm) | Core Hardness (Dia25mm-90mm) | Surface Hardness (Dia90mm-150mm) | Core Hardness (Dia90mm-150mm) | Breakage |
50Mn | ≥12 | ≥10000 | ≥52 | ≥42 | ≥50 | ≥40 | <0.5% |
60Mn | ≥13 | ≥10000 | ≥52 | ≥42 | ≥50 | ≥40 | <0.5% |
65Mn | ≥15 | ≥12000 | ≥54 | ≥44 | ≥52 | ≥42 | <0.5% |
B2 | ≥17 | ≥12000 | ≥60 | ≥52 | ≥58 | ≥50 | <0.5% |
75SiMn | ≥16 | ≥12000 | ≥60 | ≥52 | ≥58 | ≥50 | <0.5% |
Impact -resistant Alloy | ≥17 | ≥10000 | ≥50 | ≥40 | ≥48 | ≥38 | <0.5% |
Wear-resistant Alloy | ≥17 | ≥12000 | ≥60 | ≥52 | ≥58 | ≥50 | <0.5% |
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