Loading Port:Qingdao
Payment Terms:TT or LC
Min Order Qty:25M.T. m.t.
Supply Capability:200000M.T./Year m.t./month
1. Feature of Ball Mill Chromium Alloyed Grinding Ball made in China with Top Quality and Highest Hardness
1) In general, grinding steel ball has high hardness: surface hardness to 58-65 HRC, volume hardness of 56-65 HRC
2) impact toughness high: impact toughness more than 12 J / cm2.
3) broken rate is low: the actual broken rate is not higher than 0.5%.
4) loss of grinding forged steel ball round rate is low.
2. Index analysis of Ball Mill Chromium Alloyed Grinding Ball made in China with Top Quality and Highest Hardness
Product | Brand | DIA | hardness | Breakage ratio of ball | Impact fatigue life of ball | Numbers time | Metallographic organization |
Special high chrome casting iron ball | Cr26 | 15-150MM | ≥58 | 0.5% | 6 | 15000 | M+C |
Special high chrome casting iron ball | Cr20 | 15-150MM | ≥58 | 0.5% | 6 | 15000 | M+C |
Special high chrome casting iron ball | Cr15 | 15-150MM | ≥58 | 0.5% | 5 | 15000 | M+C |
High chrome casting iron ball | Cr12 | 15-150MM | ≥58 | 0.5% | 4 | 15000 | M+C |
High chrome casting iron ball | Cr8 | 15-150MM | ≥58 | 0.5% | 3 | 15000 | M+C |
Middle chrome casting iron ball | Cr5 | 15-150MM | ≥47 | 0.5% | 2 | 12000 | P+C |
Low chrome casting iron ball | Cr2 | 15-150MM | ≥45 | 0.5% | 1 | 12000 | P+C |
Casting ball | QTB | 15-150MM | ≥50 | 0.5% | - | 12000 | - |
Casting ball | QTM | 15-150MM | ≥52 | 0.5% | - | 12000 | - |
3. Chemical Composition of Ball Mill Chromium Alloyed Grinding Ball made in China with Top Quality and Highest Hardness
Product | Brand | Chemical composition(%) | ||||||||
C | Si | Mn | Cr | Mo | Cu | Ni | P | S | ||
Special high chrome casting iron ball | Cr26 | 2.0-3.3 | ≤1.2 | 0.3-1.5 | >23.0-30.0 | 0-3.0 | 0-1.2 | 0-1.5 | ≤0.10 | ≤0.06 |
Special high chrome casting iron ball | Cr20 | 2.0-3.3 | ≤1.2 | 0.3-1.5 | >18.0-23.0 | 0-3.0 | 0-1.2 | 0-1.5 | ≤0.10 | ≤0.06 |
Special high chrome casting iron ball | Cr15 | 2.0-3.3 | ≤1.2 | 0.3-1.5 | >14.0-18.0 | 0-3.0 | 0-1.2 | 0-1.5 | ≤0.10 | ≤0.06 |
High chrome casting iron ball | Cr12 | 2.0-3.3 | ≤1.2 | 0.3-1.5 | >10.0-14.0 | 0-3.0 | 0-1.2 | 0-1.5 | ≤0.10 | ≤0.06 |
High chrome casting iron ball | Cr8 | 2.1-3.3 | ≤2.2 | 0.3-1.5 | 7.0-10.0 | 0-1.0 | 0-0.8 | - | ≤0.10 | ≤0.06 |
Middle chrome casting iron ball | Cr5 | 2.1-3.3 | ≤1.5 | 0.3-1.5 | 4.0-6.0 | 0-1.0 | 0-0.8 | - | ≤0.10 | ≤0.10 |
Low chrome casting iron ball | Cr2 | 2.1-3.6 | ≤1.5 | 0.3-1.5 | 1.0-3.0 | 0-1.0 | 0-0.8 | - | ≤0.10 | ≤0.10 |
Casting ball | QTB | 3.2-3.8 | 2.0-3.5 | 2.0-3.0 | - | - | - | - | ≤0.10 | ≤0.03 |
Casting ball | QTM | 3.2-3.8 | 2.0-3.5 | 2.0-3.0 | - | - | - | - | ≤0.10 | ≤0.03 |
