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forged steel ball :
1. is high combined efficiency of grinding mill,can be used in a lot of areas, such as
A.industries of cement building material
B,metallurgical selection in mine
C, grinding coal in power plant
D, chemical industry and machinery
2.
CHEMICAL ELEMENTS | C | Si | Mn | S | P | Cr | |
CONTENT | 0.52—0.65 | 0.15—0.37 | 0.6—1.2 | ≤0.04 | ≤0.04 | ≤0.25 | |
SIZE | DIA20—150mm | ||||||
HARDNESS | HRC45--65 | ||||||
3.
Nominal diameter (mm) | Diameteical Tolerance(mm) | Weight of single ball in average(g) | Number of piece of one ton forging ball in average | Surface hardness(HRC) | Impact toughness (j/squre centimeter) |
Φ20 Φ25 Φ30 Φ40 Φ50 | +2 -1 | 32 64 110 263 513 | 31250 15625 9090 3802 1949 | 50-65 | ≥12 |
Φ60 Φ70 Φ80 Φ90 Φ100 | +3 -2 | 888 1410 2104 2996 4110 | 1126 709 475 333 243 | ||
110 120 130 | +4 -2 | 5457 7102 9030 | 182 140 110 | 45-60 | |
140 150 | +4 -3 | 11278 13871 | 88 72 |
(The process line production)
1,RAW MATERIALS 2,CUTING 3,STOVE 4, FORGING
5,TRANSFERMACHINE 6,QUENCHING 7, PACKING
8,HARDNESSTEST 9,DIMENSIONTEST
10,HEATTREATMENT
11,PACKIN(Product performance)