Loading Port:Qingdao
Payment Terms:TT or LC
Min Order Qty:25M.T. m.t.
Supply Capability:150,000M.T. m.t./month
Forged and Casting Grinding Ball Used for Mine & Cement with Dia0.75’’-Dia6’’ & High Hardness HRC60-HRC65
1.Forged Steel Grinding Ball Used for Mine & Cement with Dia0.75’’-Dia6’’ & High Hardness HRC60-HRC65
a) Chemical Coposition for Forged Steel Grinding Ball
Name | Material | C | Mn | Si | Cr | S | P |
CMAX-1 | 50Mn | 0.48-0.56 | 0.70-1.0 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
CMAX-2 | 60Mn | 0.57-0.65 | 0.70-1.0 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
CMAX-3 | 65Mn | 0.60-0.70 | 0.90-1.2 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
CMAX-4 | B2 | 0.70-0.85 | 0.70-0.80 | 0.17-0.37 | 0.2-0.7 | ≤0.03 | ≤0.03 |
CMAX-5 | 75SiMn | 0.70-0.90 | 0.70-1.20 | 0.4-0.8 | ≤0.25 | ≤0.03 | ≤0.03 |
CMAX-6 | Wear-resistant Alloy | 0.50-0.65 | 0.4-1.0 | 1.4-1.8 | 0.9-1.2 | ≤0.03 | ≤0.03 |
b)Physical Property for Forged Steel Grinding Ball
Name | Material | Impact Test(Ak.J/cm²) | Endurance Test Times(5m/T) | Surface Hardness (Φ25mm- Φ60mm) | Core Hardness (Φ25mm- Φ60mm) | Surface Hardness (Φ70mm- Φ100mm) | Core Hardness (Φ70mm- Φ100mm) | Breakage |
CMAX-1 | 50Mn | ≥12 | ≥10000 | ≥56 | ≥35 | ≥56 | ≥28 | <1% |
CMAX-2 | 60Mn | ≥13 | ≥10000 | ≥58 | ≥38 | ≥58 | ≥29 | <1% |
CMAX-3 | 65Mn | ≥15 | ≥12000 | ≥60 | ≥42 | ≥60 | ≥30 | <1% |
CMAX-4 | B2 | ≥17 | ≥12000 | ≥60 | ≥52 | ≥60 | ≥50 | <1% |
CMAX-5 | 75SiMn | ≥16 | ≥12000 | ≥60 | ≥50 | ≥60 | ≥48 | <1% |
CMAX-6 | Wear-resistant Alloy | ≥17 | ≥12000 | ≥60 | ≥54 | ≥60 | ≥52 | <1% |
2.Casting Alloy Grinding Ball Used for Mine & Cement with Dia0.75’’-Dia6’’ & High Hardness HRC60-HRC65
a) Chemical Coposition for Casting Alloy Grinding Ball
Name
|
Material |
C |
Si |
Cr |
Mn |
S |
P |
CMAX | Cr-22-32% | 2.0-2.8 | ≤1.0 | 22-32 | 0.5-2.0 | ≤0.06 | ≤0.08 |
CMAX | Cr-17-22% | 2.0-2.8 | ≤1.0 | 17-22 | 0.5-2.0 | ≤0.06 | ≤0.08 |
CMAX | Cr-15-17% | 2.2-3.0 | ≤1.0 | 15-17 | 0.5-2.0 | ≤0.06 | ≤0.08 |
CMAX | Cr-11-14% | 2.2-3.2 | ≤1.0 | 11-14 | 0.5-2.5 | ≤0.06 | ≤0.08 |
CMAX | Cr-5-10% | 2.1-3.2 | ≤1.2 | 5-10 | 0.5-1.5 | ≤0.06 | ≤0.08 |
CMAX | Cr-1.5-3.% | 2.2-3.5 | ≤1.2 | 1.5-3.0 | 0.5-1.5 | ≤0.06 | ≤0.08 |
b)Physical Property for Casting Alloy Grinding Ball
Model | Mechanical properties | Microstructure | |
HRC | Times of falling (3.5m) | ||
Low Chromium | ≥45 | 8000 | P+C |
Medium Chromium | ≥50 | 8000 | P+C |
High Chromium | ≥56 | 8000 | M+C |
3.Packing Methods of Casting Alloy Grinding Ball Used for Mine & Cement with Dia0.75’’-Dia6’’ & High Hardness HRC60-HRC65
