We are the biggest manufacturer and exporter of grinding balls in China.The annual output is 100,000 metric tons.The balls have been exported to America, Australia,Asia etc. more than thirty countries and areas.We have established and are establishing long-term cooperations with many world famous mining companies,such as BHP Billiton Australia,Codelco Chile,Anglogold Ashanti etc.The world largest ball mills' producer(Metso America) is also our main customers.
We'd like to introduce our forged steel grinding balls as follows:
Forged steel grinding balls Φ25-140mm
-- Chemical elements(Weight percent): C:0.72-0.82; Si:0.17-0.37; Mn:0.70-0.80; S,P:0.035MAX; Cr:0.28-0.60.
-- Surface Hardness:HRC60-65; Core Hardness:HRC58-63.
-- Packing: By 200 liters steel drums(850-900 kgs / drum) or flexible bags(1000 kgs / bag)..
-- We process the quality contorl according to ISO9001:2000 quality system,
Test items of grinding balls:Hardness(surface & core), Chemical compositions, Impact value, Breakage,Metallography...
Test equipments: sclerometer, chemical analysis equipment, impact machine, drop test machine.
We have developed new steel material and production line,which improved the volume hardness much,especially the larger balls.
Recently the international iron ore price increased 65-71% than last year,which led to the jump of steel price.That provides us a new opportunity for cooperation.With your support and help,we do hope to prompt our cooperation.
Please kindly tell us e-mail address or telephone number of your purchase group.As the biggest manufacturer of grinding steel balls in China,we believe our cooperation will surely cut down your purchase cost and enhance your benefit.Thank you!