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Forged Grinding Ball China Supplier

Our forged grinding steel balls and hot rolling steel ball have precise size, round geometry, high hardness and good mechanical properties:

1. High overall hardness: the surface hardness can reach 58-65hrc, the volume hardness can reach 55-62hrc, and the hardness gradient distribution is uniform.

2. High impact toughness: the impact toughness is greater than 12j / cm2;

3. Low crushing rate: the anti stripping and anti crushing performance is more than 10 times that of ordinary cast steel balls, the actual breaking rate is not more than 1%.

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Product Details

In our company, forged grinding steel balls and hot rolling steel ball are produced with advanced forging and rolling technology and strict control of all aspects of the heat treatment process to maximize wear performance and impact resistance of balls.

Forged Grinding Ball

Specification

Chemical elements of hot rolling steel balls

Brand	Materials	C	Mn		Si		Cr	S		P	V
JC-1	50Mn	0.48-0.56	0.70-1.0		0.17-0.37		≤0.25	≤0.035		≤0.035
JC-2	60Mn	0.57-0.65	0.70-1.0		0.17-0.37		≤0.25	≤0.035		≤0.035
JC-3	65Mn	0.62-0.70	0.90-1.2		0.17-0.37		≤0.25	≤0.035		≤0.035
JC-4	B2	0.72-0.85	0.70-0.80		0.17-0.37		0.40-0.70	≤0.035		≤0.035
JC-5	B3	0.58-0.70	0.70-1.00		1.50-1.90		0.70-0.90	≤0.035		≤0.035
Specification of hot rolling steel Grinding balls
Nominal diameter		Diameteical Tolerance		Weight of single ball in average		Surface hardness			Impact toughness
(mm)		(mm)		(g)		(HRC)			(j/cm2 )
Φ20		+2 -1		32		60-65			≥12
Φ25				64
Φ30				110
Φ40				263
Φ50				513
Φ60		+3 -2		888
Φ70				1410
Φ80				2104
Φ90				2996
Φ100				4110