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high chrome dia 40mm cast iron steel balls
| Model No. : | Dia 8-150mm |
|---|---|
| Brand Name : | Taihong |
Product description
2)high hardness,low breakage
3)good wear-resistant
4)steady performance
5) Low price and good service
1.Chemical composition: Casted grinding ball
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 |
Item | C | Cr | Si | Mn | S | P | Cu | Mo | Ni | Hardness |
Element | 0.72-0.82 | 0.25-0.60 | 0.17-0.37 | 0.7-1.10 | ≤ 0.035 | ≤0.035 | ≤0.1 | ≤0.25 | ≤0.1 | 55-65 |
| Nominal diameter (mm) | Diameteical tolerance (mm) | Weight of Single of forging ball in average | Number of piece of One ton forging ball in average | Surface hardness | Impact toughness |
| DIA 20 DIA 25 DIA 30 DIA 40 DIA 50 |
+2 -1 | 32 64 110 263 513 | 31250 15625 9090 3802 1949 |
55-65 |
≥12 |
| DIA 60 DIA 70 DIA 80 DIA 90 DIA 100 |
+3 -2 | 888 1410 2104 2996 4110
| 1126 709 475 333 243 | ||
| DIA 110 DIA 120 DIA 130 | +4 -2 | 5457 7102 9030 | 182 140 110 | ||
| DIA 140 DIA 150 | +4 -3 | 11278 13871 | 88 72 |
(1) Characteristics:
a) High hardness and resistance
b) Good even wear
c) No breaking
(2) Applied fields:
a) Mining
b) Cement plants
c) Power stations
d) Chemical industry and machinery
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