60mm 70mm 80mm ,unbreakable grinding media ball
USD $650 - $750 /Metric Ton
Min.Order:10 Metric Tons
Jinan Jinchi Steel Ball Co., Ltd.
unbreakable grinding media ball
Performance
1).Even hardness
2).No breaking
3).Grinding resistant
4).Our products have obtained ISO9001:2008 International Quality System Authentication
Application fields
Mine,cement plants,power station,chemical industry.
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) | Diameteical 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 |
Delivery detail:
According to your request
Package:
steel drum(800-900kg per drum) or flexible container bag(1000kg per bag)