• Model NO.：forged and cast grinding balls
• Customized：Customized
• Raw Material Heating：by Electric Furnace
• Heat Treatment Method：Oil,Air Quenching
• Certification：ISO9001:2008
• Name：Forged Steel Ball
• Transport Package：Container Bag, Steel Drum
• Specification：SGS ISO9001: 2008
• Trademark：Jinan zhongwei
• Origin：Shandong Jinan
• HS Code：73261100
• Production Capacity：1000000

MaterialChemical elementsCSiMnP/SCrB20.72-0.850.17-0.370.7-1.0<0.040.4-0.660Mn0.55-0.650.17-0.370.7-1.0<0.04<0.2545#0.42-0.500.17-0.370.5-0.8<0.035≤0.25B30.58-0.661.6-1.90.65-0.8<0.0250.7-0.9 

Material

25mm-50mm
HRC

60mm-90mm
HRC

100mm-125mm
HRCSurfaceCoreSurfaceCoreSurfaceCoreB260-6558-6258-6350-5556-6040-4560Mn58-6355-6058-6340-4556-6030-3545#55-5845-5555-5830-3550-5525-30B3  60-6558-6358-6256-60

Cast Iron Ball chemical and hardness:

Material25mm-50mm
HRC60mm-70mm
HRC80mm-90mm
HRCSurfaceCoreSurfaceCoreSurfaceCoreSpecial Cr1:>2060-6459-6360-6458-6260-6457-61Special Cr2:>1558-6257-6158-6256-6058-6250-59High Cr:>1058-6257-6158-6256-6058-6250-59Medium Cr:≥545-4844-4745-4843-4645-4842-45Low Cr:1-1.542-4641-4542-4640-4442-4639-43

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)


FAQ
Can you provide samples for free?
Answer: Yes, Free Sample.

2. Are you a manufacturer or a trading company?
Answer: We are a manufacturer, and we have independent export qualification.


3. What kind of payment you can accept?
Answer: T/T , L/C, Paypal,Western Union

4. How about your quality control?
Answer: 100% check before delivery to ensure the products quality.

5. If I send an inquiry ,when can you reply ?
Answer: Immediately.

6. How about your packing?
Answer:Container bags & Steel drum with wooden pallets or iron pallets

7. Do you have any certificate ?
Answer : ISO9001:2008, SGS and BV inspection or any third party test.

8. How about your delivery time? (25 tons)
Forged balls : 3-5 days after deposit 
Cast balls : 5-7 days