China Grinding Media Balls for Cement Plant Mine

Product Description
1) No deformation
2) High hardness Good wear resistant
3) Size:Dia20mm-150mm
4) Breakage<1%
5) Certification: ISO9001,SGS.
FORGED STEEL BALL CHEMICAL ELEMENTS AND HARDNESS

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
Hardness


Material

25mm-50mm
HRC
60mm-90mm
HRC
100mm-125mm
HRC
SurfaceCoreSurfaceCoreSurfaceCoreB260-6558-6258-6350-5556-6040-4560Mn58-6355-6058-6340-4556-6030-3545#55-5845-5555-5830-3550-5525-30B3 58-6256-60
Production Description

1) Traditional Forged

Raw material →Cutting →Heating → Water quenching → Tempering2) Auto Hot Rolling

Raw material →Hot Rolling Mill → Water Quenching → Tempering
Packing
Steel drum (800-950kg per drum) &Container Bag (1000kg per bag)
QC&QI
1) Raw material: Size, Chemcial elements, Microstructure quality control (LAIWU STEEL)
2) Production Technical: Cutting Size, Heating Temperature, Quenching Technical, Tempering control.
3) Grinding Balls: Hardness, Size, Chemcial elements, Breakage Rate Checking
4) Thrid-Pary: SGS, BV ISO, TUV, COTECNA, AsiaInspection etc.
Company Profile
Jinan Zhongwei established in 2000 , we are a leading manufacturer and professional exporter grinding balls in China.
Our company covers an area of 15000 square meters, now we have 150 staff, including 13 technical staff. Annual output is 50000 tons to 80000 tons .
Main products : forged steel ball, cast iron ball ,grinding rod, cylpebs
We have exported to 20 more countries, UAE, Zambia,South Africa, Peru, Chile, Australia, UK, USA, Turkey and so on.
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)