Specification:
Diameter: 20mm to 150mm
Near surface Hardness: More than 62 HRC
Core Hardness: More than 55 HRC
Chemical elements:
C: 0.70-1.0
Si: 0.17-0.47
Mn: 0.70-1.00
Cr: 0.4-0.8
P: Less than 0.025
S: Less than 0.025
Characteristics:
High hardness, the volum hardness is 50-63 HRC, and hardness gradient uniform distribution
Good wear resistence
Impact toughness more than 12J/cm2
Breakage rate less than 0.5%
Production Process:
Raw materials--Heating--Forged or rolling into a ball-- Heat treatment--Inspection--Packing--
Storage
Heat treatment is our special advantage, with this processing, the hardness of the steel ball gradient uniform distribution
Application:
Mine
Cement plant
Power station
Chemical industry
Outer packing:
Container bags or steel drum
Goldpro is one professional manufacturer and exporter of grinding media steel balls in China. Besides supplying different sizes of grinding steel balls, we also supply other services, like developing new special steel balls according to the ore conditions for our customers.
The total investment of Goldpro is USD20 millions with an area of one hundred thousand square meters. Until now, we have 688 employees, among whom there are eighty professionals and engineers. We have 15 sets of grinding steel ball automatic production lines with annual output of grinding balls 200, 000 Metric Tons which make us the largest manufacturer in North China, the diameter of our steel balls span from Φ 20mm-Φ 150mm.
Priorities of our steel balls: High hardness, good wear resistance, breakage rate lower than 0.5%, no deformation all through. Our modern quality assurance center could guarantee all our product s meeting customers' need.
Eighty percent of our Grinding balls are exported to more than 30 counties, such as, USA, Indonesia, Chile, South Africa, Italy, Greece, Korea, etc. And twenty percent of our products are sold in local market, such as Inner Mongolia, Shandong, Yunnan, Shanxi, etc.
Our company has obtained Three System Authentication: ISO 9001: 2008, ISO14001: 2004 and OHSAS1800. What's more? Our products have passed SGS test.
We are one producing-studying-researching enterprise cooperated with academician Zhenghuan Hu of the Chinese Academy of Engineering.
Goldpro was affirmed as Academician Working Station, Academician Achievement Base and The High and New Technology Enterprise by the State Science and Technology Department.
GOLDPRO-- Because we have confidence of our products, we could make gold promise to society and our customers.
