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Home > Mining Machinery > Equipment Trading > Mining Machinery Spare Parts
High chrome casting grinding ball
High chrome casting grinding ball
High chrome casting grinding ball
High chrome casting grinding ball
High chrome casting grinding ball
High chrome casting grinding ball

High chrome casting grinding ball

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Anhui RUITAI new materials technology Co., LTD

China

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High chrome grinding ball, used in Ball mill / SAG mill for Mining / Cement and other industry, to mill & crush ore/ coal / sand / cement and other raw material. Its have good micro structure by Alloy casting, and have good hardness and broken rate through heat treatment. So used high grinding ball will get lower wear rate and reduce the ball mill downtime.

CHARACTERISTICS OF High chrome grinding ball 

high chrome grinding ball is a casting alloy grinding media contain 10-26% chrome.

this grinding ball used in Ball mill / SAG mill for Mining / Cement and other industry, to mill & crush ore/ coal / sand / cement and other material. 

Its have good micro structure by Alloy casting, and have good hardness and broken rate through heat treatment. 

So used high grinding ball will get lower wear rate and reduce the ball mill downtime. 


STANDARDS / DESIGNATIONS 

GB/T 17445-2009 (CN)

ASTM 531/A 532M-93A (US) 

EN 12513:2000E (EU) 


MECHANICAL PROPERTIES

Micro Structure: Martensite + Carbide + residual Austenite 

IMPACT Value: Min. 3.5J/cm2 

Surface Hardness: HRC 58-63 

Hardness variation（from surface to core）：Max HRC 2 

Times of Falling ball : Min. 28000 

Breakage and deshaping : Max 0.5%


CHEMICAL COMPOSITION 

Carbon / C : 2.0-3.2 (%) 

Silicon / Si:  0.3-1.2 (%) 

Manganese / Mn: 0.2-1.5 (%) 

Chromium / Cr:  10.0-28.0 (%) 

Nickel/ Ni: Max 1.20 (%) 

Molybdenum/ Mo Max 1.50 (%) 

Cooper / Cu: Max 1.50 (%) 

Phosphors / P: Max 0.10 (%) 

Sulfur / S: Max 0.12 (%)


Grinding ball size:

  5/ 6/ 8/10 /12.5 / 15/ 17 /20 / 25 /30 / 40/ 50/ 60/70 / 80 / 90 /100 /110 /120 /130 mm


Package: 

METAL DRUM with Wood pallet,800-1000 kgs pre drum, 2 drum on one pallet;


MOQ:  

50 tons for each shipment ( FCL 2 Containers),  5 tons for each size & each chrome content;


Lead-time:

     0-100 tons,  15-20 days with one shipment ;

 100-500 tons,  15-30 days,  each week ship out 100 tons with one shipment ; 

500-5000 tons,  15-150 days, each week ship out  250 tons with one shipment; 


Payment term:

20% deposit, balance T/T within 7 days after B/L copy.


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