forged grinding steel ball

They are prevailingly applied to various mines,cement plants,power stations and chemical industries. Chemical Composition CSiMnPSCr0.72-0.920.17-0.370.7-1.0≤0.04≤0.0404-0.6Applied fields minespower stationcement plantschemical industry Physical Property Impact TestEndurance Test TimesSurface HRC(Ø25MM-60MM)Core HRC(Ø25mm-60mm)Surface HRC(Ø70mm-100mm)Core HRC(Ø70mm-100mm)≥17≥12000≥60≥52≥60≥50 Diameterical Tolerance Norminal Diameter(mm)Diameterical Tolerance(mm)25+1.5/-0.5 30+1.5/-0.540+2.0/-1.050+2.0/-1.060+3.0/-2.070+3.0/-2.080+3.0/-2.090+3.0/-2.0100+4.0/-3.0110+4.0/-3.0120+4.0/-3.0130+4.0/-3.0 Roundess Spherical with little overfill or underfill withing the national standard:YB/T 091-2005 Warmly welcome custormers from domestic and abroad to establish cooperation and create bright futurer with us.