... Non sparking and magnetic 4. High Tensile Strength Copper Bar weight 1. ASTM B196, 251, 463 2. Dia: 1~300mm ... Bearings, Bushings, Valve Seats, Valve Stems, Diaphragms, Springs, Welding Equipment, Rolling Mill Parts, Spline Shafts, Pump Parts, Valves, Bourdon Tubes ... , Wear Plates on Heavy Equipment, Bellows International Specification:Rods/Bars/Tubes: ASTM B196, 251, ...