... cast valves and fittings.Mechanical Properties of CP GR2 Guaranteed Room Temperature MinimumTypical Strength (%RT) & Ductility 200F 400 F ... sq cm56Specific Heat, Btu/lb/Deg. F0.125 at room temperatureThermal Conductivity, Btu/hr.Ft^2 - Deg. F/ ... , heavy feed, sharp tools, adequate coolantFormingReadily formable at room temp. Complex shapes require heatJoining, WeldingComplex weldable, fusion welding ...