Even Hardness Unbreakable 30x45mm Hot Rolled Steel Cylpebs Core Hardness 59-61 hrc for Power Stations Quick detail: Steel Cylpeb size: 30x45 mm Surface hardness: 60-62hrc Core hardness: 59-61hrc Good tougness: ... Read MoreGet Best Price
Sgs Core hardness 58-60.5hrc Grinding Media Steel Balls B2 D50mm Grinding Media for cem Quick detail: Steel ball size: d50mm Surface hardness: 60-62hrc Core hardness: 58-60.5hrc Good tougness: no broken ... Read MoreGet Best Price
B3 D120mm no surface defects Grinding Media Steel BallsSurface Hardness 58 -59hrc Grinding Media for Chemical industry Quick detail: 1Steel ball size: d120mm 2 Surface hardness: 60hrc 3Core hardness: 58-59hrc ... Read MoreGet Best Price