60mm-90mm High Hardness Middle Chrome Cast Grinding Balls

• Customization: Available
• Standard: GB
• Application: Construction Machinery, Metallurgical Machinery, Cement Plant, Mining Machine, Thermal Power Plant, Coal Yard
• Model NO.: 15mm-130mm
• Material: Iron
• Type: Grinding Ball
• Surface Hardness: 60-65 HRC
• Breakage: Below 1%
• Tolerance: National Standred
• Roundness: Good
• Wear Resistance: Good
• Transport Package: by Steel Drum(800kg-900kg Pr Drum) or Flexible Bag
• Specification: 15mm-130mm
• Trademark: JINCHI
• Origin: Puji, Zhangqiu City, Shandong Province, China
• HS Code: 73259100
• Production Capacity: 100000ton/Year

Product Description

1. CASTING BALLS
High chrome casting iron balls and Low chrome casting iron balls
Ececutive standard of product GB/T17445-2009 Casting balls


middle chrome casting iron balls

	C	Si	Mn	Cr	P	S	Mo	Cu
ZQCr7	2.0-3.2	0.3-1.5	0.2-1.0	6.0-10	≤0.10	≤0.8	0-0.1	0-0.8

2. Specifications
 1) HRC: 48-65
 2) Impact test>12AK.J/cm2
 3) Breakage rate <1%
 4) Certificates: ISO9001:2008; TUV



3 Product performance
 1) Size: Dia 15mm-130mm
 2) Characteristic: high hardness; good wear resistant; no breakage; no deformation; high toughness
 3) Hardness: 48-65 HRC
 4) Appliedfield: cement, metallurgy, mining, electric power etc.
 5) Material: JC-low chrome, multi-alloy,bainite
 6) Break rate<1%
 7) Drop Number: 8000-12000
 8) Impact test >12AK.J/cm2

4. Our products have obstained ISO9001:2008, ISO14001:2004 and OHSAS18001:2007, have been exported to more than 40 countries an ragions and got a lot of praise



5. Our process line of production



6. Our test assurance about grinding media ball




7. Our serious promise: supplying you with high quality products, competitive price, timly delivery and satusfactory service.