Loading Port:Qingdao Port
Payment Terms:TT or LC
Min Order Qty:25M.T. m.t.
Supply Capability:200000M.T./Year m.t./month
We are one of the largest professional manufactory of chrome grinding ball and forged grinding ball in China .Our annual product of chrome grinding ball is about 50000MT.We are take the leading position in Chinese chrome grinding ball industry. We will try our best to supply you with high quality products, reasonable price, timely delivery with satisfactory service as the base of our long time cooperation.
Type and Chemical Composition of High Chrome Alloy Casting Grinding Ball Made in China with Top Hardness and Low Breakage Rate
Material |
C |
Si |
Cr |
Mn |
S |
P |
Cr-22-32% | 2.0-2.8 | ≤1.0 | 22-32 | 0.5-2.0 | ≤0.06 | ≤0.08 |
Cr-17-22% | 2.0-2.8 | ≤1.0 | 17-22 | 0.5-2.0 | ≤0.06 | ≤0.08 |
Cr-15-17% | 2.2-3.0 | ≤1.0 | 15-17 | 0.5-2.0 | ≤0.06 | ≤0.08 |
Cr-11-14% | 2.2-3.2 | ≤1.0 | 11-14 | 0.5-2.5 | ≤0.06 | ≤0.08 |
Cr-5-10% | 2.1-3.2 | ≤1.2 | 5-10 | 0.5-1.5 | ≤0.06 | ≤0.08 |
Cr-1.5-3.% | 2.2-3.5 | ≤1.2 | 1.5-3.0 | 0.5-1.5 | ≤0.06 | ≤0.08 |
Physical Property of High Chrome Alloy Casting Grinding Ball Made in China with Top Hardness and Low Breakage Rate
Material
|
Impact Test Ak.J/cm |
Endurance Test times (5m) | Hardness (HRC) | ||||
Diam25-60mm | Diam70-100mm | ||||||
Quenching | Unquenching | Quenching | Unquenching | ||||
Cr-22-32% | ≥4 | ≥10000 | ≥60 | ≥49 | ≥60 | ≥48 | |
Cr-17-22% | ≥4 | ≥10000 | ≥60 | ≥49 | ≥60 | ≥48 | |
Cr-15-17% | ≥4 | ≥10000 | ≥60 | ≥49 | ≥58 | ≥48 | |
Cr-11-14% | ≥3 | ≥10000 | ≥58 | ≥49 | ≥56 | ≥48 | |
Cr-5-10% | ≥3 | ≥8000 | - | ≥48 | - | ≥48 | |
Cr-1.5-3.% | ≥2 | ≥8000 | - | ≥48 | - | ≥45 | |
