Cast High Chrome Forged Steel Grinding Mining Balls for Coal Cement

• Customization: Available
• Material: High Cr Cast Iron
• Content: 75% ~ 80%
• Model NO.: EB
• Usage: Construction, Machinery, Chemical, Petroleum, Grind, Refractory Material
• Processing Type: Rolling Type
• Size: Od60mm
• Color: Others
• Customized: Customized
• Hardness: 55-65HRC
• Technology: Forging Ball
• Service: OEM ODM
• Breakage Rate: <1%
• Loss Roundness Rate: <1%
• Heat Treatment: Quenching/Tempering
• Used: Industries of Cement Building Material, Metallurgi
• Transport Package: Pallets
• Trademark: EB
• Origin: China
• HS Code: 7325910000
• Production Capacity: 30000 Tons Per Year

Product Description

1.Specification available                                                                                                                  

A. Cast Balls(1.1) Diameter (mm):
φ150,φ140, φ125, φ110, φ100, φ90, φ80, φ70, φ60, φ50, φ40, φ30, φ20, φ17, φ15
B. Cast Cylpebs(1.)Diameter (mm):
φ35×40, φ30×35, φ25×30, φ20×25, φ18×18, φ16×16, φ15×20, φ14x14, φ12×16,φ12x12, φ10×12, φ10×10, φ8×8

2.General Mechanical Property

Materials	Hardness	Impact value	Wear in Cement Mills(g/mt)	Application Field
High Cr Cast Iron	≥HRc60	≥4J	25-60	The dry-grinding process in cement works, power plants andwet-grinding process in mine;
Low Cr Cast Iron	≥HRc46	≥3J	≤130	The dry-grinding process in cement works,power plants andwet-grinding process in mines

 

Composition(%)	C	Si	Mn	Cr	P	S	Hardness(HRC)	Wear Rate in Gold Mine
Low Cr Cast Balls	2.0~3.0	0.5~1.5	≤0.50	1.5~2.5	≤0.07	≤0.07	46~55	About 1000g/MT
Mid Cr Cast Balls	2.0~3.5	≤1.0	0.3~1.2	4.0~6.0	≤1.0	≤1.0	≥50	About 870g/MT
Cr12 Cast Balls	2.0~3.0	≤1.2	0.7~2.0	10~12	≤0.06	≤0.06	≥55	≤870g/MT
Cr15 Cast Balls	2.0~3.0	≤1.2	0.7~2.0	14~16	≤0.06	≤0.06	≥58
Cr20 Cast Balls	2.0~3.5	≤1.0	0.5~1.5	17~23	≤0.06	≤0.06	≥60	≤760g/MT

Q: Are you trading company or manufacturer ? 
A: We are factory. 

Q: How long is your delivery time? 
A: Generally it is 5~10 days if the goods are in stock.Or it is 45 days if the goods are not in stock, it is according to quantity. 

Q: What is your terms of payment ? 
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shipment.
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