Loading Port:Qingdao Port
Payment Terms:TT or LC
Min Order Qty:25M.T. m.t.
Supply Capability:200000M.T./Year m.t./month
1. Sizes of High Chromium Cast Grinding Ball made in China with Top Quality Steel as Raw Material for Mines and Cement Plant
Item | SIZES | |||||||||||||
φ17 | φ20 | φ25 | φ30 | φ40 | φ50 | φ60 | φ70 | φ80 | φ90 | φ100 | φ110 | φ120 | φ130 | |
Tolerance | +1.0 | +2.0 | +3.0 | +3.5 | ||||||||||
-1.0 | -1.0 | -1.0 | -1.5 | |||||||||||
Difference between max diam and min diam | ≤1.0 | ≤2.0 | ≤3.0 | |||||||||||
2. Chemical Composition of High Chromium Cast Grinding Ball made in China with Top Quality Steel as Raw Material for Mines and Cement Plant
Items | Brand | Chemical elements | ||||||||
C | Si | Mn | Cr | Mo | Cu | Ni | P | S | ||
High chrome casting iron ball | Cr20 | 2.0-3.0 | ≤1.0 | 0.5-1.5 | 18-22 | 0-2.5 | 0-1.2 | 0-1.5 | ≤0.10 | ≤0.10 |
High chrome casting grinding ball | Cr15 | 2.0-3.0 | ≤1.0 | 0.5-1.5 | 14-17 | 0-3.0 | 0-1.0 | 0-1.5 | ≤0.10 | ≤0.10 |
High chrome casting grinding ball | Cr13 | 2.0-3.0 | ≤1.0 | 0.5-1.5 | 11~14 | 0-1.0 | 0-2.0 | 0-1.5 | ≤0.10 | ≤0.10 |
Middle chrome casting grinding ball | Cr7 | 2.1-3.2 | 0.5-2.2 | 0.5-1.5 | 6~10 | 0-1.0 | 0-0.8 | 0-1.5 | ≤0.10 | ≤0.10 |
Low chrome casting grinding ball | Cr2 | 2.2-3.6 | ≤1.2 | 0.5-1.5 | 1.0-3.0 | 0-1.0 | 0-0.8 | ≤0.10 | ≤0.10 | |
Items | Suface hardness(HRC) | Endurance impact test | |
Quenched | Unquenched | (Times) | |
High chrome Casting grinding balls | ≥60 | ≥50 | ≥8000 |
Middle chrome Casting grinding balls | ≥60 | ≥50 | ≥8000 |
Low chrome Casting grinding balls | ≥60 | ≥45 | ≥8000 |
3.Applied Field of High Chromium Cast Grinding Ball made in China with Top Quality Steel as Raw Material for Mines and Cement Plant
1) Metal mining in mines,2) power stations,3) Chemical engineering
4. Photos of High Chromium Cast Grinding Ball made in China with Top Quality Steel as Raw Material for Mines and Cement Plant
