Delivery Time:3-5 days
Certification:CE,FCC,MSDS

              Trusttworthy forged grinding ball for mining industry made in China

Grinding Media Balls Chemical Elements( Below is common used type all over the world,if you have any other different requirement, please let me know,we can order from steel mill)

Material	Chemical Elements
C	Si	Mn	P/S	Cr
45#	0.42-0.50	0.17-0.37	0.5-0.8	<0.035	<0.25
60MN	0.55-0.65	0.17-0.37	0.7-1.0	<0.04	<0.25
B2	0.72-0.85	0.17-0.37	0.7-1.0	<0.04	0.4-0.6
B3	0.5-0.8	1.0-1.8	0.4-1.0	0.035	0.5-1.0

Grinding Media Balls Hardness( Below is common used type all over the world,if you have any other different requirement, please let me know,we can order from steel mill)

Material	25mm-50mm HRC	60mm-90mm HRC	100mm-125mm HRC
50-55
45#	55-58	55-58
60MN	58-63	58-63	56-60
B2	60-65	58-63	56-60
B3			56-63

Q1: How did you inspect your products before loading ?

A4: *The each melt will be analyzed for Chemical Composition;

*The hardness will be measured on 5 balls selected at random from each heat treatment 

batch;

*Two ball at least will be selected randomly from each heat treatment batch for micro-examination; 

*The diameter test and all the above mentioned  test will be showed and carried  out on 

the templates;

* Sand and Slag inclusion will not existed  ;   

* Depth of defect is more than 2mm will not existed;

* Mismatch per face is more than 1.0mm will not existed ;

* All casting balls will be properly fettled,tumbled and dressed,all surface shall be 

thoroughly cleaned .

Q2: Why other suppliers can provide lower price Balls than yours ?

A5: We are factory and our price must be competitive and there also an old saying in 

China \"What Price, What goods\", we can not guarantee our price is the lowest, 

but i can promise we can provide the products you required with the relative price

accordingly, and we do long term business with customers, not one time only like them.

Grinding Media Balls Package ( Container bags and steel drums are two common used package all over the world,let me know which one you want.)

Grinding Media Balls Contact ( 24 hours on line waiting for your consult)

Contact us

July Sun

Skype julysun214

Email julysun@zwgrindingball.com

Mobile (whats app) 86-15666667179