ASTM/ASME A/SA213/213M

Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes

ASTM/ASME A/SA335/335M

Standard Specification for Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service

EN10216-2

Seamless steel tubes for pressure purposes- Technical delivery conditions- Part 2: Non alloy and alloy steel tubes with specified elevated temperature properties