Austenitic/Super Austenitic Stainless Steel Tube

- Apr 16, 2018 -

Commonly used brands
304/L/H/LN, 316/L/H/LN/Ti/LMod, 310S/H, 317/L, 321/H,
347H/HFG, N08904(904L), N08367, S31254(254SMo), etc.
Commonly used standards
ASTM A312 (ASME SA312) Seamless and Welded Austenitic Stainless Steel Tubes
ASTM A213 (ASME SA213) Seamless ferrite and austenitic alloy steel tubes for boilers, superheaters and heat exchangers
GB/T 14976 stainless steel seamless pipe for fluid transport
GB 13296 Stainless steel seamless pipe for boiler and heat exchanger
GOST 9941 Cold (Temperature) Corrosion Resistant Seamless Steel Pipe
EN 10216-5 Seamless steel tubes for pressure - Technical delivery conditions
JIS G3459 Stainless Steel Pipe - Stainless Steel Industrial Piping


Austenitic stainless steel tubes have a stable austenite group at room temperature. The steel contains about 18% Cr, Ni is more than 8%, C is about 0.1%, has high corrosion resistance, good cold workability and good toughness , plasticity, welding and non-magnetic. Widely used in
Industrial heat exchangers, non-magnetic condensers, evaporators, and fluid transport applications in industries such as engineering, oil refining, boilers, and foodstuffs.
Super austenitic stainless steel tubes have higher cleanliness, uniformity, mechanical properties than ordinary austenitic stainless steel tubes, finer texture, better surface quality, better resistance to harsh media localized corrosion and better Process manufacturing properties, etc.
It is used in industrial environments where working conditions are harsher, corrosion is stronger, and common austenitic stainless steels cannot meet, such as: Dibutyl Acetate, Acetic Acid, Formic Acid, Terephthalic Acid, Polyvinyl Chloride and other medium environments in the petrochemical industry Inorganic chemical sulphuric acid
Acidic ferric sulfate, soda ash, phosphoric acid and other media environments; Crude oil desalination in crude oil refining, vacuum distillation environment; supercritical boiler superheater, reheater, no class reheater and so on.

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