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AISI S-2 / Rockbit Steel Balls

S-2 Rockbit Tool Steel Shock Resisting Cylindrical Rollers

These Cylindrical Rollers are through hardened and they feature high toughness and wear and tear resistance. They are specifically used in drilling applications.

Application: Oil and gas industry, subsea drilling bearings and so on.

Chemical Composition

%C %Si %Mn %P %S %Mo %V
0.40-0.55 0.90-1.20 0.30-0.50 0.030 max 0.030 max 0.30-0.60 0.50 max

Technical Properties

Property Type U.o.M. Values U.o.M. Values
Hardness Mechanical [HRC] 55 - 60 - -
Ultimate tensile strength Mechanical [MPa] 2100 - 2200 [psix10^3] 305 - 320

Size Range/Grade selection

Product Size Range U.o.M.
Rollers Dia: Minimum 8.00 mm to Mximum 55.00 mm & Length: 8.00 mm to 55.00 mm [mm]