Stainless Steel Boiler Tube GOST 9941-91, DIN 17456 , DIN 17458, EN10216-5, ASME SA213
Specification:
ASME SA213/A213: Standard Specification for Seamless Ferritic and Austenitic Alloy-
Steel Boiler, Superheater and Stainless Steel Heat Exchanger Tubes.
ASTM A249 / A249M:Standard Specification for Welded Austenitic Steel Boiler, Superheater
Heat-Exchanger, and Condenser