Specifications

1:High hardness wear resistance,Low breakage
2:HRC45-67
3:Diameter 20-150mm
4:Certification:ISO9001
5:Used to Ball mill

 

 

Top Quality 25mm Steel Ball Grinding Mining

 

 

1.Applied Field:

 

1).Cement Plants,

2).Mines,

3).Power stations,

4).Chemical Industries,

5).Grinding Mill, Ball mill, Coal mill.

 

 

2. Chemical composition

 

Based on material,the forged steel balls are defined into 7 brands. And The chemical composition is shown in the following:

 

 

 

 

 

3.Hardness of  Forged Steel Ball (HRC)

 

According to the theory and tests, the hardness of forged steel ball is shown in the following:

 

 

Brand	Material	Impact Test AK.J/cm2	Endurance Test Times(5m)	Dia 25mm-60mm		Dia 70mm-100mm
				Surface	Core	Surface	Core
Special-1	50MN	≥12	≥10000	≥56	≥48	≥56	≥40
Special-2	60MN	≥13	≥10000	≥58	≥50	≥58	≥42
Special-3	65MN	≥15	≥12000	≥60	≥50	≥60	≥42
Special-5	75MnCr	≥17	≥12000	≥60	≥52	≥60	≥50
Special-6	75SiMn	≥16	≥12000	≥60	≥50	≥60	≥48
Special-7	Wear-resistant Alloy	≥17	≥12000	≥60	≥54	≥60	≥52

 

4.Main Process of Forged Steel Ball

 

.(1).Raw material

 (2).Cutting

 (3).Heating

 (4).Forging

 (5).Quenching

 (6).Tempering

 (7).Testing

 (8).Qualified Products

 (9).Packing

 

 

5.Packing

 

 

 

1) steel drums

 

 

 

 

 

 

 

2) flexible container bags