STANDARD SPECIFICATION FOR STEAM OR VALVE BRONZE CASTINGS
|Publication Date:||1 January 1942|
|ICS Code (Copper products):||77.150.30|
These specifications cover alloy castings, the alloy being a composition of copper, tin, lead, and zinc, commonly used as a high-grade steam metal or valve bronze3.
3 The Rules for Construction of Unfired Pressure Vessels of the A.S.M.E. Boiler Construction Code (Par. U-20 (f)) require that bronze valves and steam metal of the composition covered by these specifications shall be limited to temperatures of 550 F.