UR 0264 Small



This specification covers austenitic steel castings for valves, flanges, fittings, and other pressure-containing parts. The steel shall be made by the electric furnace process with or without separate refining such as argon-oxygen decarburization. All castings shall receive heat treatment followed by quench in water or rapid cool by other means as noted. The steel shall conform to both chemical composition and tensile property requirements.

Manufactured and Tested as prescribed by ASTM, API

Material type – Gate valve, Globe valve, Check valve, Ball valve, Butterfly valve

Material grade – A351 CF3, CF3M, CF8, CF8M

Size : NPS 2 to 24

           Pressure rating – class 150, 300, 600, 900, 1500, 2500