Jinan  Zhongwei  Casting And Forging Grinding Ball Co.,Ltd
                                                                                                           
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26 Years
Since 2000
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Mining Sag And AG Mill Grinding Steel Balls

Price Negotiable
Price: Negotiable
MOQ: 1 tons
Delivery Time: 5 work days every 25 tons after deposit
Brand: ZW
Product Description

 

Mining Sag and AG mill special use forged and cast grinding steel balls

 

 

Forged Steel ball, Cast Iron Ball, Grinding Rod, Cast Cylpebs

 

Forged ball chemical and hardness:

 

 

Material Chemical elements
C Si Mn P/S Cr
B2 0.72-0.85 0.17-0.37 0.7-1.0 <0.04 0.4-0.6
60Mn 0.55-0.65 0.17-0.37 0.7-1.0 <0.04 <0.25
45# 0.42-0.50 0.17-0.37 0.5-0.8 <0.035 ≤0.25
B3 0.58-0.66 1.6-1.9 0.65-0.8 <0.025 0.7-0.9

 

 

Material

 

 

25mm-50mm

HRC

 

60mm-90mm

HRC

 

100mm-125mm

HRC

 

Surface Core Surface Core Surface Core
B2 60-65 58-62 58-63 50-55 56-60 40-45
60Mn 58-63 55-60 58-63 40-45 56-60 30-35
45# 55-58 45-55 55-58 30-35 50-55 25-30
B3     60-65 58-63 58-62 56-60

 

Production:

 

1) Traditional Forged

 

Raw material →Cutting →Heating → Water quenching → Tempering

2) Auto Hot Rolling

Raw material →Hot Rolling Mill → Water Quenching → Tempering

 


Cast Iron Ball chemical and hardness:

 

Material

25mm-50mm

HRC

60mm-70mm

HRC

80mm-90mm

HRC

Surface Core Surface Core Surface Core
Special Cr1:>20 60-64 59-63 60-64 58-62 60-64 57-61
Special Cr2:>15 58-62 57-61 58-62 56-60 58-62 50-59
High Cr:>10 58-62 57-61 58-62 56-60 58-62 50-59
Medium Cr:≥5 45-48 44-47 45-48 43-46 45-48 42-45
Low Cr:1-1.5 42-46 41-45 42-46 40-44 42-46 39-43

 

 

Production Line

Raw material chemical composition and optional proportion-- Melting and pouring-- Oil quenching-- Temper-- Polishing

 

Our Advantages

1.Jinan Zhongwei has 16 years production experience and complete purchasing ,testing,service system ,
 
2.We keep continuous adjustment and improvement according to the customer’s requirement at the last 10 years.
 
3.On  the basis of satisfied customer’s 50,000 tons demand, Jinan Zhongwei has more 30,000 tons to 50,000 tons production capacity for the new cooperative partner.
 
4.Stable price system - 12 months price validity
 
5.Payment terms ( Negotiate)
 
 

Packing

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




 
Grinding Steel Balls Contact ( 24 hours on line waiting for your consult)

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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Jinan  Zhongwei  Casting And Forging Grinding Ball Co.,Ltd
Location Puji Street, Zhangqiu District, Jinan City, Shandong Province,China
Contact Person cherry lee

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