China Grinding Ball, Find details about China Grinding Ball, Grinding Steel Ball from Grinding Ball
DIa 8 mm | Dia10 mm | Dia 12.5mm | Dia 15mm | Dia 20mm | Dia 25mm |
Dia 30mm | Dia 40mm | Dia 50mm | Dia 60mm | Dia 70mm | Dia 80mm |
Dia 90mm | Dia 100mm | Dia 110mm | Dia 120mm | Dia 125mm | Dia 130mm |
Customized according to customer requirements |
Product | Hardness(HRC) | AK(J/cm²) | Metallographic Structure | The times of falling balls |
Low Cr Ball | ≥45 | ≥2.0 | P+C | 8000 |
Middle Cr Ball | ≥48 | ≥2.0 | P+C | 9000 |
High Cr Ball | ≥58 | ≥2.5 | M+C | 18000 |
Super Hi Cr Ball | ≥60 | ≥3.0 | M +C | 20000 |
C-Carbide M-Martensite P-Pearlite |
Chemical Composition | ||||||
Product | C | Si | Mn | Cr | P | S |
Low Cr Ball | 2.2-3.5 | ≤1.2 | ≤1.0 | 0.8-2.2 | ≤0.10 | ≤0.10 |
Middle Cr Ball | 2.0-3.3 | ≤1.2 | ≤1.0 | 4.9-9.0 | ≤0.10 | ≤0.10 |
High Cr Ball | 2.0-3.2 | ≤1.0 | ≤1.0 | 10-12 | ≤0.10 | ≤0.06 |
Super Hi Cr Ball | 2.0-3.2 | ≤1.0 | ≤1.0 | 18-28 | ≤0.10 | ≤0.06 |