China manufacturer forged steel grinding ball dia20-150mm

Main products:

1. Forged steel grinding ball

2. Cast iron ball

3. Grinding cylpebs

4. Grinding rods

Application fields:

1. Various mines

2. Cement plant

3. Power station

4. Chemical industry

Features:

1. High hardness and toughness

2. Good wear-resistance

3. Dia20-150mm

4. Certification: ISO9001:2008; SGS

5. No breakage


Chemical composition of forged steel grinding ball

Name	C	Si	Mn	P	S	Cr	HRC
Low-Cr cast iron ball	2.2-3.4	≤1.2	0.5-1.5	≤0.08	≤0.06	1-1.5	42-46
Medium-Cr cast iron ball	2.0-3.2	<1.0	0.5-1.8	<0.08	<0.06	5-7	≥48
High-Cr cast iron ball	2.0-3.2	<1.0	0.5-1.8	<0.08	<0.06	10-13	58-62
Special-HiCr cast iron ball	2.0-3.2	<1.0	0.5-2.0	<0.08	<0.06	>15	58-64
60Mn forged steel grinding ball	0.55-0.65	0.17-0.37	0.7-1.0	<0.04	<0.04	<0.25	58-62
B2 forged steel grinding ball	0.75-0.85	0.17-0.37	0.7-1.0	<0.04	<0.04	0.4-0.6	58-64
45# forged steel grinding ball	0.42-0.50	0.17-0.37	0.50-0.80	≤0.035	≤0.035	≤0.25	≥55