S-2 Rockbit Balls

S-2 Rockbit Steel balls are designed to achieve extreme ruggedness. The ball surface has a smooth ground and polished finish. These balls provide the toughness and strength necessary for severe shock loads.  S-2 Tool Steel balls are hardened throughout and have unusually good wear characteristics.

S-2 Tool Steel balls find most frequent use in oil field equipment and offshore drilling operations. They provide good service in withstanding the abrasion of pulverized rock and mud slurries.

The  rockbit balls we can produce is ranging from 7.938mm~40mm with grade from G10 to G100.

Chemical Analysis

Carbon 0.47% to 0.55%

Manganese 0.30% to 0.50%

Silicon 0.90% to 01.10%

Molybdenum 0.30% to 0.60%

Phosphorus 0.030% maximum

Sulphur 0.030% maximum

Vanadium 0.5% maximum