Specifications

1.HRC: 55-65
2.Dia: 20mm-150mm
3.high hardness
4.good wear resistance

all kinds of grinding steel balls for ball mill

Product Performance

1).Even hardness
2).No breaking
3).Grinding resistant

4).Our products have obtained ISO9001:2008 International Quality System Authentication

 

 

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

 

Application fields:

 

  1).Metal mines      2).Cement plants      3).Power station      4).Chemical industry

 

  5).Chemical engineering

 

 

 

Delivery detail:

 

  According to your request

 

Package:

 

  steel drum(800-900kg per drum) or flexible container bag(1000kg per bag)