ASTM A312 Stainless Steel Pipe Specification Standard Specification for Seamless, soldado, and Heavily Cold Worked Austenitic Stainless Steel Pipes ASTM A312 pipe is common use stainless pipe for industries. Cubre diámetros desde 1/8” hasta 30” y espesores desde SCH 10S hasta SCH 80S. Los grados de materiales de uso general son TP304/304L., TP316/316L.