Rolled grinding media steel ball
Specifications :
1.hardness:60-65HRC2.impact strength: exceed 12J/cm23.no breakage,good wear resistance
Name | Impact Test AK.J/cm2 | Endurance Test Times (5m) | Dia 25mm-60mm | Dia 70mm-100mm | ||
Surface | Core | Surface | Core | |||
50Mn | ≥12 | ≥10000 | ≥56 | ≥35 | ≥56 | ≥28 |
60Mn | ≥13 | ≥10000 | ≥58 | ≥52 | ≥58 | ≥48 |
65Mn | ≥15 | ≥12000 | ≥60 | ≥55 | ≥60 | ≥50 |
B2 | ≥17 | ≥18000 | ≥62 | ≥58 | ≥60 | ≥52 |
75 SiMn | ≥16 | ≥12000 | ≥62 | ≥58 | ≥62 | ≥50 |
Hot rolled grinding media steel balls for mining, cement plant, power station, chemical industry.
The quality of our grinding steel balls can meet different requirements of different clients in different countries and region.
Some specification and technology details as follows:
1 .Dia.:20mm-60mm
2. Surface hardness: more than 60HRC, Core hardness: more than 55HRC.
3. Breakage: Less than 1%
4. Impact toughness: More than 12J/cm2
5. Density: 7.8-7.85g/cm3
6 .Impact to broken (times): more than 18000
7. low Abrasion:
non-ferrous metal: 0.4KG-0.7KG, ferrous metal: 055KG-0.8KG.( The abrasion just for reference, the exact abrasion depends on the specific mine ore, the temperature, the ball mill and other conditions.)
The process line of production
Packing