ASTM A860 WPHY 42 are Wrought High Yield fittings and are generally used at High-pressure requirements. A860 refers to the high strength of the fittings. ASTM A860 WPHY 42 Pipe Fittings are known for high tensile strength and corrosion resistance. Available in numerous specifications, these ASTM A860 WPHY 42 Pipe Fittings are manufactured with high-grade steel & tested by a quality expertise team.