Grinidng media steel ball DIA20MM-150MM

1High Chrome Grinding Ball Dia17-130MM 2Even hardness 3Grinding resistant 4High impact value 5High combined efficiency

High Chrome Grinding Ball(ISO9001:2008)                                            

                                             welcome to come to Sinai!!

Spcification:

1.Chemical composition:

Item	Designation	C	Si	Mn	Cr	S	P	Mo
High-Cr-Ball	ZQCr20	2.0-3.2	≤1.0	≤1.5	19-22	≤0.08	≤0.06	≤1.0
	ZQCr17	2.0-3.2	≤1.0	≤1.5	15-18	≤0.08	≤0.06	≤1.0
	ZQCr11	2.0-3.2	≤1.0	≤1.5	10-13	≤0.08	≤0.06	≤1.0
Low-Cr-Ball	ZQCr2-6	2.0-3.5	≤1.0	≤1.5	1.5-3.5	≤0.08	≤0.06	≤1.0

 2.Properties & Microstructure

Item	Designation	Hardness(HRC)		Impact Toughness ak(j/cm2)	Microstructure	Service Life (Times of falling)	Wear Rate	Breackage
		Heat treatment	Cast
High-Cr-Ball	ZQCr20	55-65	≥50	≥4.0	M+C	≥8000	≤25	≤0.5
	ZQCr17	55-65	≥50	≥4.0
	ZQCr11	55-65	≥50	≥4.0			≤30
Low-Cr-Ball	ZQCr2-6		≥45	≥2.5	P+C	≥5000		≤1.0

3.Sizes of Casted Balls

Item

Sizes

Φ17

Φ20

Φ25

Φ30

Φ40

Φ50

Φ60

Φ70

Φ80

Φ90

Φ100

Φ110

Φ120

Φ130

Tolerance

+1.0

+2.0

+3.0

+3.5

-1.0

-1.0

-1.0

-1.5

Difference Between the Max & the Min Dia.

≤1.0

≤2.0

≤3.0

≤4.0

3.Features:(1) Characteristics: a) High hardness and resistance b) Good even wear c) Low breakrage(2) Applied fields: a) Mines b) Cement plants c) Power stations d) Chemical industry

4.Certificates:

5.Contact US

XI ZHULIN(Mr.)/GENERAL MANAGER

JINAN SINAI CASTING AND FORGING CO.,LTD

TEL:+86-13705416740/+86-531-83874078

FAX:+86-531-83863437

                                            You can be confident, because we believe in quality!!

Welcome to come to Sinai!!

Looking forward to establish a win-win cooperation relationship with friends home and abroa

Grinidng media steel ball DIA20MM-150MM