Especificaciones
-ASTM/ASME A/SA213
Seamless (Ferritic) and Austentic Alloy-Steel Boiler, Superheater, and Heat-exchanger Tubes
-ASTM/ASME A/SA 269
Seamless and Welded Austentic Stainless Steel Tubing for General Service
-AST/ASME A/SA312
Seamless Austentic Stainless Steel Pipes