ASME SEC II A SA-691-2001 Specification for Carbon and Alloy Steel Pipe, Electric-Fusion-Welded for High-Pressure Service at High Temperatures ASTM A691-93
Boiler and Pressure Vessel,Specification for Carbon and Alloy Steel Pipe, Electric-Fusion-Welded for High-Pressure Service at High Temperatures ASTM A691-93
ASME SEC II A SA-691-2001 history
2001ASME SEC II A SA-691-2001 Specification for Carbon and Alloy Steel Pipe, Electric-Fusion-Welded for High-Pressure Service at High Temperatures ASTM A691-93