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
|
Material |
C |
Si |
Cr |
Mn |
S |
P |
X-5 | Cr-22-32% | 2.0-2.8 | ≤1.0 | 22-32 | 0.5-2.0 | ≤0.06 | ≤0.08 |
X-6 | Cr-17-22% | 2.0-2.8 | ≤1.0 | 17-22 | 0.5-2.0 | ≤0.06 | ≤0.08 |
X-7 | Cr-15-17% | 2.2-3.0 | ≤1.0 | 15-17 | 0.5-2.0 | ≤0.06 | ≤0.08 |
X-8 | Cr-11-14% | 2.2-3.2 | ≤1.0 | 11-14 | 0.5-2.5 | ≤0.06 | ≤0.08 |
X-9 | Cr-5-10% | 2.1-3.2 | ≤1.2 | 5-10 | 0.5-1.5 | ≤0.06 | ≤0.08 |
X-10 | Cr-1-3% | 2.2-3.5 | ≤1.2 | 1.5-3.0 | 0.5-1.5 | ≤0.06 | ≤0.08 |
3. Physical Property of High Chromium Cast Grinding Ball made in China with Top Quality Steel as Raw Material for Mines and Cement Plant
Name
|
Material
|
Impact Test Ak.J/cm |
Endurance Test times (5m) | Hardness (HRC) | |||
Diam25-60mm | Diam70-100mm | ||||||
Quenching | Unquenching | Quenching | Unquench ing | ||||
X-5 | Cr-22-32% | ≥4 | ≥10000 | ≥60 | ≥49 | ≥60 | ≥48 |
X-6 | Cr-17-22% | ≥4 | ≥10000 | ≥60 | ≥49 | ≥60 | ≥48 |
X-7 | Cr-15-17% | ≥4 | ≥10000 | ≥60 | ≥49 | ≥58 | ≥48 |
X-8 | Cr-11-14% | ≥3 | ≥10000 | ≥58 | ≥49 | ≥56 | ≥48 |
X-9 | Cr-5-10% | ≥3 | ≥8000 | - | ≥48 | - | ≥48 |
X-10 | Cr-1-3% | ≥2 | ≥8000 | - | ≥48 | - | ≥45 |
4.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
5. Photos of High Chromium Cast Grinding Ball made in China with Top Quality Steel as Raw Material for Mines and Cement Plant
