Hot Rolled Steel Balls
parameters1：Size 20-80 mm
parameters2：Hardness 60-64 HRc
parameters3：Breakage 0.5% max
Technical Specification:
|
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 |
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