Detailed Product Description
Detailed Product Description
name:low chromium cast grinding ball
During the process of production, under the conditions of single warehouse as well as normal mining: 100 grams are needed by per tonne of cement as national standard; 70 grams as our enterprise; according to the feedback of the patrons, that's only need 50-60 grams.
Chemical composition<%>
Designation | Chemical composition<%> | ||||||
C | Si | Mn | Cr | Mo | P | S | |
ZQCr2 | 2.23.5 | ≤1.4 | 0.31.5 | 0.43.0 | <1.0 | ≤0.15 | ≤0.15 |
Properties and Microstructure
Designation | Surface hardness<HRC> | Shock value < J/cm2> | Microstructure | Time of Falling balls <Frequency> |
tempering state<B> | ||||
ZQCr2 | ≥45 | ≥1.6 | P+C | ≥8000 |
Specification and Avoirdupois
Ball Diameter <mm> | Weight of Each Ball | Pcs/ton |
φ20 | 0.0322 | 31056 |
φ25 | 0.063 | 15873 |
φ30 | 0.11 | 9091 |
φ40 | 0.257 | 3891 |
φ50 | 0.50 | 2000 |
φ60 | 0.867 | 1153 |
φ70 | 1.37 | 729 |
φ80 | 2.05 | 487 |
φ90 | 2.9 | 345 |
φ100 | 4.00 | 250 |
φ110 | 5.3 | 188 |
φ120 | 6.80 | 147 |
φ125 | 7.75 | 129 |
φ130 | 8.74 | 114 |
φ150 | 13.5 | 74 |
