1.Diamater:
Ø20mm-150mm
2.Hardness:
HRC45-HRC65
3.Heat treatment:
Oil quenching & airquenching
4.Main process:
a. Raw material
b.Melting by electric stove
c. Pouring
d. Polishing
e.Heat treatment
f.Testing
g.Qualified Products
h, Packing
5.Application:
cenment plant,mines,power station,chemical industry
6.Chemical Composition:
Type | C | Si | Mn | P | S | Cr | HRC |
Low Cr | 2.2-3.4 | 1.2Max | 0.5-1.5 | 0.08Max | 0.06Max | 1.5-3.5 | 46Min |
Medium Cr | 2.0-3.2 | 1.0Max | 0.5-2.5 | 0.08Max | 0.06Max | 11Min | 56-62 |
High Cr | 2.0-3.2 | 1.0Max | 2.5-2.0 | 0.08Max | 0.06Max | 15Min | 58-64 |
Alloyed Cast grinding steel ball
Alloyed Cast grinding steel ball