60-65HRC Grinding Media Balls for Mining with High Durability

• Customization: Available
• Material: Steel
• Content: Steel
• Model NO.: 1 inch to 5.5 inch
• Usage: Grind, Mining
• Processing Type: Forged or Hot Rolling
• Size: 1 Inch to 5.5 Inch
• Color: Black
• Customized: Customized
• Hardness: 60-65HRC
• Breakage: Below 1%
• Impact Value: 14j Above
• Heat: Heat Treated
• Density: 7.85g
• Transport Package: Bag or Drum
• Specification: 1"-5.5"
• Trademark: JINCHI
• Origin: Shandong, China
• HS Code: 7326110000
• Production Capacity: 100000 Tons Per Year

Product Description

Product Description

Our remarkable Forged Grinding Balls are crafted with precision through the use of air hammer techniques, while our Hot Rolling Balls are meticulously produced using state-of-the-art skew rolling technology.
Thanks to our advanced automatic production lines, the quality control of these balls has reached new heights, ensuring superior and consistently perfect quality.
This ensures theprecise size control, stable hardness, and a uniformly robust internal structure for every single ball.

Product Parameters

Impressive Uniform Hardness: 60-65HRC
Exceptionally Low Breakage Rate: below 1%
Outstanding Grinding Resistance: 10-30% extended usage life
Superior High Impact Value: exceeding 14j/cm2
Achieve High Comprehensive Efficiency in the Mill

Chemical Elements in Our 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
JC-6	B6	0.80-0.95	0.80-1.00		0.17-0.37	0.80-1.00	≤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	≥14
Φ25				64
Φ30				110
Φ40				263
Φ50				513
Φ60		+3    -2		888
Φ70				1410
Φ80				2104
Φ90				2996
Φ100				4110
Φ125		+3  -3		8027			58-63

Certifications

Rest assured, SGS inspections can be conducted prior to shipment for peace of mind.

Packaging & Shipping

1. Packing Details: Our products can be securely packed in steel drums (850-930 kg/drum) or in flexible container bags (1 ton/bag) for utmost safety.
2. Delivery Details: Expect prompt delivery within 15-25 days after we receive your prepayment or LC at sight.

Detailed Photos