Forged Grinding Steel Ball

Forged Grinding Steel Ball 1. High hardness 2. Good wear resistance 3. High toughness 4. No mal-roundness

Forged Grinding Steel Ball

 

As one of the leading grinding balls specialists in China, we can certainly assist you in buying grinding balls that suit your company needs. Our annual production capacity is about 50000MT. We own an integrated set of advanced import production line, so that you can be satisfied with the quality of our products. 

 

Applied Fields

1. Mines

2. Cement Plants

3. Chemical Industries

4. Power Stations

 

Type and Chemical Composition of Forged Grinding Steel Ball

 

Name	Material	C	Mn	Si	Cr	S	P
DZ-1	50Mn	0.48-0.56	0.70-1.0	0.17-0.37	≤0.25	≤0.035	≤0.035
DZ-2	60Mn	0.57-0.65	0.70-1.0	0.17-0.37	≤0.25	≤0.035	≤0.035
DZ-3	65Mn	0.60-0.70	0.90-1.2	0.17-0.37	≤0.25	≤0.035	≤0.035
DZ-4	B2	0.70-0.85	0.70-0.80	0.17-0.37	0.2-0.7	≤0.03	≤0.03
DZ-5	75SiMn	0.70-0.90	0.70-1.20	0.4-0.8	≤0.25	≤0.03	≤0.03
DZ-6	Wear-resistant Alloy	0.50-0.65	0.4-1.0	1.4-1.8	0.9-1.2	≤0.03	≤0.03

 

Physical Property of Forged Grinding Steel Ball

 

Name	Material	Impact Test(Ak.J/cm²)	Endurance Test Times(5m/T)	Surface Hardness (Φ25mm- Φ60mm)	Core Hardness (Φ25mm- Φ60mm)	Surface Hardness (Φ70mm- Φ100mm)	Core Hardness (Φ70mm- Φ100mm)	Breakage
DZ-1	50Mn	≥12	≥10000	≥56	≥35	≥56	≥28	<1%
DZ-2	60Mn	≥13	≥10000	≥58	≥38	≥58	≥29	<1%
DZ-3	65Mn	≥15	≥12000	≥60	≥42	≥60	≥30	<1%
DZ-4	B2	≥17	≥12000	≥60	≥52	≥60	≥50	<1%
DZ-5	75SiMn	≥16	≥12000	≥60	≥50	≥60	≥48	<1%
DZ-6	Wear-resistant Alloy	≥17	≥12000	≥60	≥54	≥60	≥52	<1%

 

Weight and Microstructure of Forged Grinding Steel Ball 

 

Norminal Diameter	Diametrical Tolerance(mm)	Approx Weight of Single Ball(kg)	Average Number of One MT	Microstructure
25mm/1''	+1.5,-0.5	0.064	15625	M+B+C (M-Martensite;B-Bainitic;C-Carbide)
30mm/1.25''	+1.5,-0.5	0.11	9090
40mm/1.5''	+2.0,-1.0	0.26	3846
50mm/2''	+2.0,-1.0	0.51	1961
60mm/2.5''	+3.0,-2.0	0.89	1124
70mm/2.75''	+3.0,-2.0	1.4	714
80mm/3.25''	+3.0,-2.0	2.1	476
90mm/3.5''	+3.0,-2.0	3	333
100mm/4''	+4.0,-3.0	4.1	244
110mm/4.5''	+4.0,-3.0	5.47	283
120mm/4.75	+4.0,-3.0	7.1	141
130mm/5''	+4.0,-3.0	9.02	111

 

Forged Grinding Steel Ball Packaging

 

Ton bags (1000Kg Per Bag)

Iron drums (850~920Kg Per Drum)

Forged Grinding Steel Ball