Grinding steel cylpebs for mine,cement plant,chemical and power station

Specification

20*20,30*30,40*40,50*50,60*60,70*70,80*80.

Name

Low Chromium 

Supply Ability

50000Ton per year

Packaging

Bag or steel drum

Delivery Time

Within 30days

Chemical Composition(%)

C

Si

Mn

Cr

P

S

2.3-3.4

≤1.5

0.5-1.5

1.0-3.0

≤0.1

≤0.1

Mechanical Properties

Hardness(HRC)

Toughness without North AK(J/cm2)

The break rate%

Impact fatigue lifetime of the dropping ball

≥45

≥2

≤1

8000

Microstructure

P + C (P-Pearite C-Carbide)

Applied areas

Grinding for metallurgical,mines, power stations, cement plants

Actual consumption of balls

High hardness ore

600-900g/ton

Coalhigh ash content

100-200 g/ton

Medium hardness ore

400-600 g/ton

Coallow ash content

40-100 g/ton

Low hardness ore

100-400 g/ton

Cement

30-100 g/ton

Remark: the above specification can be changed according to the customer`s demand.