Loading Port:Qingdao
Payment Terms:TT or LC
Min Order Qty:25M.T. m.t.
Supply Capability:150,000M.T. m.t./month
High & Low Chrome Alloyed Casting Grinding Ball with Dia0.75’’-Dia0.6’’(ISO9001:2008)
1. Chemical Composition of High & Low Chrome Alloyed Casting Grinding Ball with Dia0.75’’-Dia0.6’’(ISO9001:2008)
Item | C | Cr | Si | Mn | S | P | Cu | Mo | Hardness |
Low Chrome | 1.8-3.5 | 1-3.5 | ≤1.2 | ≤1.5 | ≤0.15 | ≤0.15 | ≤0.5 | ≤1.0 | ≥45 |
Medium Chrome | 1.8-3.3 | 4-9 | ≤1.2 | ≤1.8 | ≤0.15 | ≤0.15 | ≤1.0 | ≤1.5 | ≥50 |
High Chrome | 1.6-3.3 | 10-15 | ≤1.0 | ≤2.5 | ≤0.10 | ≤0.10 | ≤1.5 | ≤1.0 | ≥55 |
Higher Chrome | 1.6-3.3 | 15-18 18-27 | ≤1.0 | ≤2.5 | ≤0.10 | ≤0.10 | ≤1.5 | <2.0 | ≥60 |
2. Weight and Quantity of High & Low Chrome Alloyed Casting Grinding Ball with Dia0.75’’-Dia0.6’’(ISO9001:2008)
No. | Diameter (mm) | Weight of each (kg) | Pcs/ton |
1 | Ø10 | 0.0135 | 74073 |
2 | Ø12 | 0.0181 | 55248 |
3 | Ø15 | 0.0242 | 41322 |
4 | Ø20 | 0.0322 | 31056 |
5 | Ø25 | 0.063 | 15873 |
6 | Ø30 | 0.11 | 9091 |
7 | Ø40 | 0.257 | 3891 |
8 | Ø50 | 0.50 | 2000 |
9 | Ø60 | 0.867 | 1153 |
10 | Ø70 | 1.37 | 729 |
11 | Ø80 | 2.05 | 487 |
12 | Ø90 | 2.90 | 345 |
13 | Ø100 | 4.00 | 250 |
14 | Ø110 | 5.30 | 188 |
15 | Ø120 | 6.80 | 147 |
16 | Ø125 | 7.75 | 129 |
17 | Ø130 | 8.74 | 114 |
3. Mechanical Properties of High & Low Chrome Alloyed Casting Grinding Ball with Dia0.75’’-Dia0.6’’(ISO9001:2008)
Model | Mechanical properties | Microstructure | |
HRC | Times of falling (3.5m) | ||
Low Chromium | ≥45 | ≥8000 | P+C |
Medium Chromium | ≥50 | ≥12000 | P+C |
High Chromium | ≥55 | ≥15000 | M+C |
Higher Chromium | ≥60 | ≥22000 | M+C |
4. Production Process of High & Low Chrome Alloyed Casting Grinding Ball with Dia0.75’’-Dia0.6’’(ISO9001:2008)
Raw material(waste steel,waste iron,iron alloy)factory inspection→blending→melt→composition inspection→casting→cooling and solidification→demould→clean and polish→inspection→quenching(increase hardness)→hardness inspection→tempering(eliminate stress)→inspection→warehousing
5. Features of High & Low Chrome Alloyed Casting Grinding Ball with Dia0.75’’-Dia0.6’’(ISO9001:2008)
1) High hardness and resistance
2) Good even wear
3) No breaking
6. Applied Fields of High & Low Chrome Alloyed Casting Grinding Ball with Dia0.75’’-Dia0.6’’(ISO9001:2008)
1) Mining
2) Cement plants
3) Power stations
4) Chemical industry and machinery
7. Packing Methods of High & Low Chrome Alloyed Casting Grinding Ball with Dia0.75’’-Dia0.6’’(ISO9001:2008)
