• Model NO.：45#, 60MN, B2, B3
• Customized：Customized
• Raw Material Heating：by Electric Furance
• Heat Treatment Method：Oil,Air Quenching
• Certification：ISO9001:2008
• Transport Package：Container Bag, Steel Drum
• Specification：20-150mm
• Trademark：Jinan zhongwei
• Origin：Shandong Jinan
• HS Code：73261100
• Production Capacity：1000000

Basic Info.

Model NO. 45#, 60MN, B2, B3 Customized Customized Raw Material Heating by Electric Furance Heat Treatment Method Oil/Air Quenching Certification ISO9001:2008 Transport Package Container Bag, Steel Drum Specification 20-150mm Trademark Jinan zhongwei Origin Shandong Jinan HS Code 73261100 Production Capacity 1000000

Product Description

High Hardness Forging Steel Grinding Ball for Gold Mine

Forged Ball Chemical Element

Brand	Name	C	Mn	Si	Cr	S	P
ZW-1	45#	0.42-0.50	0.5-0.8	0.17-0.37	≤0.25	≤0.04	≤0.04
ZW-2	60Mn	0.55-0.65	0.7-1.0	0.17-0.37	≤0.25	≤0.04	≤0.04
ZW-3	B2	0.7-0.92	0.7-1.0	0.17-0.37	0.4-0.6	≤0.04	≤0.04

 
Production Line
1) Traditional Forged 
Raw material →Cutting →Heating → Water quenching → Tempering

2) Auto Hot Rolling

Raw material →Hot Rolling Mill → Water Quenching → Tempering

Packing
Steel drum (800-950kg per drum) &Container Bag (1000kg per bag) 

Advantage
1. Jinan Zhongwei has 16 years production and exporting experience.

2.We keep continuous adjustment and improvement in production according to the customer's requirement at the last 10 years.

3.On the basis of satisfied customer's 50,000 tons/year demand, Jinan Zhongwei has more 30,000 - 50,000 tons/year production capacity for the new cooperative partner.

4.Stable price system - 12 months price validity

5.Payment terms ( Negotiate)

Long-term cooperation is our goal with every customer.

Because we know that good service and products cost effective is the most important magic weapon of maintaince of the old customer.

Because we know that to look for a new customer is far difficult than maintaince old customer.

With a cooperation win all life cooperation.