SGS Certificates Grinding and casting steel ball

General situation of the company:
Investment: RMB1.18Billion
No. of the staff: above 100
Productive lines: fully automatic
Productive capacity: 200,000 per year

Features:
(1) Characteristics:   
a) High hardness and no breakage   
b) Good even wearing   
c) Good proportion and structure

(2) Applied fields:   
a) Mines   
b) Cement plants   
c) Power stations   
d) Chemical industry

(3)Chemical composition:GN2A: C: 0. 70%-0.85%, SI: 0.17%-0.37%, Mn: 0.70%-0.80%,P: 0.035Max, S: 0.035Max,Cr: 0.20%-0.70%. Nb: 0.01%- 0.02% Cu: 0.03%-0.08%, w: 0.001Max, Mo: 0.002Max, V: 0.005Max, Tl: 0.004Max Al: 0.014Max B: 0.0005Max45#:C:0.42%-0.50%, SI:0.17%-0.37%, Mn:0.50%-0.80%,P:=0.035%, S: =0.035%,Ni: =0.3%, Cr: <0.25% 60Mn:C:0.57%-0.65%, SI:0.17%-0.37%, Mn:0.50%-0.80%,P:=0.035%, S: =0.035%,Ni: <0.25%, Cr: <0.25%.40Cr: C: 0.37%-0.44%, Si: 0.17%-0.37%, Mn:0.50%-0.80% Cr: 0.80%-1.10%, S: =0.035%, P:=0.035%
SGS Certificates Grinding and casting steel ball