Common use of Tungsten Carbide Inserts Clause in Contracts

Tungsten Carbide Inserts. a. The inserts shall be a high shock WC grade of tungsten carbide with 11 to 12.5 percent cobalt content. Hardness: 87.5 minimum to 89.0 Maximum Rc. “A” scale. Transverse rupture strength (p.s.i.): 350,000 Minimum. Porosity: (Based on testing in accordance with ASTM designation B276-79) A06 B02 C00

Tungsten Carbide Inserts. a. A. The inserts shall will be a high shock WC grade of virgin tungsten carbide with 11 to 12.5 percent a cobalt contentcontent not less than 11.5% or more than 12.5%. Hardness: 87.5 minimum to 89.0 Maximum 88.5 maximum, Rc. “A” scaleScale. Density: 14.1 minimum to 14.6 maximum GMSLCC. Transverse rupture strength (p.s.iRupture Strength: 350,000 P.S.I. minimum.): 350,000 Minimum. Porosity: (Based on testing in accordance with ASTM designation B276-79) A06 B02 C00