best quality grinding media balls, rolled steel grinding media balls for metallurgy mines

FOB Price : USD $950.00 / Piece
Minimum order:10
Place of Origin:China

GAINCIN.com 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 GAINCIN is USD1.6 million, which is 67,500 square meters.
Until now, we have 288 employees, among whom there are 48 professionals and
engineers. We have 16 sets of grinding steel ball automatic production lines with
annual output of grinding balls 80,000 Metric Tons, which make us become the main
manufacturer in Middle of China, the diameter of our steel balls ranges from 20mm-
150mm.Our company has obtained Three System Authentication: ISO 9001: 2008,
ISO14001: 2004 and OHSAS1800. What’s more, Our grinding steel balls with diameter
of 30,50,80,120mm have passed SGS test.

Priorities of our steel balls: High hardness, good wear resistance, breakage rate
lower than 0.5%, no deformation all through. Our technology R&D center can
guarantee all our products to meet customers’ needs. 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 domestic market, such as Inner Mongolia, Shandong, Yunnan, Shanxi,
etc.

GAINCIN.com is one producing-studying-researching enterprise cooperated with
academician of the Chinese Academy of Engineering. And it is affirmed as
Academician Working Station, Academician Achievement Base and The High and New
Technology Enterprise by the State Science and Technology Department.

Gaincin- Because we have confidence of our products, we could make gold promise to
society and our customers.

We can also supply tailor-made steel grinding media to our customers.

Suizhou Gaincin Machinery Co., Ltd
Address: no.1704,economic and technical
development zone,Suizhou,P.R.China
E-mail:Info@gaincin.com | Kimy.Lee@gaincin.com
Candy.Wu@gaincin.com
Tel: 86-722-358 8806
Fax: 86-722-358 8806 x 8002
Website: www.gaincin.com
Showroom:gaincin.bossgoo.com

1,Suizhou Gaincin Machinery Co.,Ltd (GAINCIN.com) in the product Feature:

(1)High hardness: surface hardness is 55-68 HRC and volume hardness is 54-64 HRC;

(2)High Impact Toughness:impact thoughness>12j/cm²

(3)Low Breakage Rate: breakage rate≤0.5;

2,Chemical Composition of Forged Grinding ball

	C%	Si%	Mn%	P%	S%	Cr%	Ni%	Cu%	Mo%	AI%
B2	0.75-0.85	0.17-0.37	0.70-0.85	≤0.020	≤0.020	0.40-0.60	≤0.25	≤0.20		0.02-0.05
B3	0.56-0.66	1.30-1.90	0.70-0.90	≤0.020	≤0.020	0.80-1.10	≤0.25	≤0.20
B6	0.70-0.85	0.17-0.37	0.85-1.10	≤0.020	≤0.020	0.80-1.10	≤0.25	≤0.25	0.05-0.15	0.025-0.045
BU	0.95-1.05	0.17-0.37	0.90-1.10	≤0.020	≤0.020	0.40-0.60	≤0.15	≤0.15	≤0.05	0.02-0.04

3,chemical composition of casting ball

	Hardness(HRC)	AK(J/cm²)	Metallographic Structure	Falling times
Low Chrome Alloy Ball (Cr:1-3%)	≥45	≥2.0	P+C	8000
Medium Chrome Alloy Ball (Cr:5-9%)	≥48	≥2.0	P+C	9000
High Chrome Alloy Ball (Cr:10-12%)	≥58	≥2.0	M+C	18000
Extra-High Chrome Alloy Ball(Cr:17-28%)	≥60	≥2.0	M+C	20000
C(Carbide) M(Martensite) P(Pearlite)