grinding ball of high impact value ,even hardness.
USD $650 - $750 /Metric Ton
Min.Order:10 Metric Tons
Jinan Jinchi Steel Ball Co., Ltd.
grinding ball of high impact value
Performance
1.Even hardness2.Unbreakable 3.Grinding resistant 4.High impact value 5.High combined efficiency of grinding mill
The process line of production
RAW MATERIALS → CUTTING → STOVE → FORGING → TRANSFER MACHINE → QUENCHING → HEAT TREATMENT → DIMENSION TESE →PACKING →TRANSPORTATION OR SEA FREIGHT
Chemical elements
C | Si | Mn | Cr | S | P |
0.50-0.65 | 0.15-0.37 | 0.6-1.2 | ≤0.25 | ≤0.04 | ≤0.04 |
0.7-0.9 | 0.45-0.75 | 0.7-1.25 | 0.11-0.4 | ≤0.04 | ≤0.04 |
Specification and hardness of forging ball
Nominal diameter (mm) | Diametrical tolerance (mm) | Weight of signal forging Ball in average (g) | Number of piece of one ton forging ball in average | Surface hardness (HRC) | Impact toughness (j/cm²)) |
φ20 φ25 φ30 φ40 φ50 | +2 -1 | 32 64 110 263 513 | 31250 15625 9090 3802 1946 |
50-65 |
≥12 |
φ60 φ70 φ80 φ90 φ100 | +3 -2 | 888 1410 2104 2996 4110 | 1126 709 475 333 243 | ||
φ110 φ120 φ130 | +4 -2 | 5457 7102 9030 | 182 140 110 |
45-60 | |
φ140 φ150 | +4 -3 | 11278 13871 | 88 72 |
Applied fields:Mine,cement plant,power station,chemical industry,etc.