Products

Contact Person : Mr. xi zhulin
Company Name : Jinan Sinai Casting And Forging Co., Ltd.
Tel : 86-531-83874078
Fax : 86-531-83863437
Address : Shandong,jinan zhangqiu,BAIYUN INDUSTRY ZONE,PUJI TOWN ZHANGQIU CITY SHANDONG PROVINCE,CHINA
Country/Region : China
Zip : 250206

bolas forjadas para molienda

Product Detailed

1.tolerancia a los golpes.2.irrompibles.3.resistencia a la abrasion .4.alto poder de impacto.5.mantenimiento de la redondez.

forged steel ball

forged grinding media1.Even hardness 2.Unbreakable 3.Grinding resistant 4.High impact value

Steel grinding Ball 1) Froged and cast grinding abll 2) Size:20mm-150mm 3) Hardness:55-65HRC

Cast grinding ball. grinding media steel ball. Forged steel ball.

Our products have obtained ISO 9001---2000.

A) Diameter: 20~150mm balls,

B). Characteristics: 1) High hardness 2) Good wear-Resistance 3) No breaking 4)No mal-roundness

C). Applied fields:1) Metal Mines 2) Cement plants 3) Water coal slurry 4) Power stations 5) Chemical industry

Our main products as follows:

1.Forged steel grinding balls

Chemical elements of forged steel balls
C	Si	Mn	Cr	S	P
0.50-0.65	0.15-0.37	0.6-1.2	≤0.25	≤0.04	≤0.04
0.7-0.9	0.45-0.75	0.7-1.25	0.11-0.4	≤0.04	≤0.04

Nominal diameter	Diameteical Tolerance	Weight of single ball in average	Surface hardness	Impact toughness
(mm)	(mm)	(g)	(HRC)	(j/cm2 )
Φ20	+2 -1	32	50-65	≥12
Φ25	+2 -1	64	50-65	≥12
Φ30	+2 -1	110	50-65	≥12
Φ40	+2 -1	263	50-65	≥12
Φ50	+2 -1	513	50-65	≥12
Φ60	+3 -2	888	50-65	≥12
Φ70		1410
Φ80		2104
Φ90		2996
Φ100		4110
Φ110	+4 -2	5457	45-65
Φ120		7102
Φ130		9030
Φ140	+4 -3	11278
Φ150	+4 -3	13871

2. Cast Grinding Ball

Items	Suface hardness(HRC)		Endurance impact test
	Quenched	Unquenched	(Times)
High chrome Casting grinding balls	≥60	≥50	≥8000
Middle chrome Casting grinding balls	--	≥50
Low chrome Casting grinding balls	--	≥45
Forged steel ball	55-65HRC