Hot Rolled Steel Balls

Material:Steel B2
Size:Dia. 20 – 80 mm
Composition %:C 0.72-1.05, Mn 0.30-1.20, Si 0.15-0.35, Cr 0.20-0.80, P / S =0.035, Ni =0.25
Hardness:60 – 64 HRC
Breakage:0.5% Max
Impact:14 J/cm2 min
Tolerance (mm):
20 / 25 / 30 / 40 / 50 mm Balls: +2 / -1
60 / 65 mm Balls: +2 / -1.5
70 / 75 / 80 mm Balls: +3 / -2
Hot Rolled Steel Balls