b2 d30mm surface hardness 58-61hrc smaller grain microstructure super grinding-resisting hot rolled steel ball

Quick detail:

Steel ball size: d30mm

Surface hardness: 58-61hrc

Core hardness: 56-59hrc

Good tougness, no broken

Description:

Raw meterial: round steel bar

Raw meterial type: b2

Steel ball size: 30mm

Surface hardness: 58-61hrc

Core hardness: 56-59hrc

Good tougness, no break

Useage: grinding media

Good surface roundress, no surface defects.

Falling impact: 20,000 times

Performance comparation:

1. Hot rolled steel ball can save usage 40-50% than low chrome casting ball(chrome percent: 5%), improve outlet 15% at least than low chrome casting ball.
2. Hot rolled steel ball can save usage 20-25% than medium chrome casting ball(chrome percent: 5% ~ 10%), improve outlet 15% than medium chrome casting ball
3. Hot rolled steel ball can save usage 10% than high chrome casting ball(chrome percent: 5% ~ 10%), improve outlet 15% than high chrome casting ball.

Applications: 

1. Mines
2. Cement plants
3. Power stations
4. Chemical industry

Specifications:

Chemical percent of raw meterial b2:

Steel ball data:

Steel ball production flow:

Microstructure picture:

Competitive advantage:

Top high cost performance;

Save annual steel ball use qty;

Increase outlet.