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Super Austenitic Stainless Steel Valve
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Super Austenitic Stainless Steel

Special Alloy Valve

Valve Type

Super Austenitic Stainless Steel:Ball Valves / Butterfly Valves/ Gate Valves / Globe Valves / Check Valves / Plug Valves / Control Valves and Customized Valves.


Material

904L / 254SMO / AL-6XN / Alloy 20

904L / F44 / N08367 / N08020

904L / A351 CK3MCuN / A351 CN3MN / CN7M


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Description

Super Austenitic Stainless Steel has 904L, 254SMO, AL-6XN, Alloy 20 etc.


904L has good activation-passivation conversion ability and excellent corrosion resistance in non-oxidizing acids such as sulfuric acid, acetic acid, formic acid and phosphoric acid. It has good activation-passivation transformation ability, excellent corrosion resistance, good corrosion resistance in non-oxidizing acids such as sulfuric acid, acetic acid, formic acid and phosphoric acid, good resistance to pitting corrosion in neutral media containing chloride ions, and good resistance to crevice corrosion and stress corrosion.


254SMO (UNS S31254) is a high corrosion resistant austenitic stainless steel with high nickel, high chromium, high molybdenum alloy design, and provides excellent corrosion resistance in severe corrosion environments such as high-temperature seawater.


AL-6XN is a typical 6 molybdenum (high molybdenum content 6.3%) super austenitic stainless steel. The resistance to chloride pitting, crevice corrosion and stress corrosion is better than Series 3 stainless steels and is less costly than corrosion-resistant nickel based alloys. Good corrosion resistance in severe corrosive environments, suitable for high chloride aqueous solutions and chloride corrosion environments. For use in a variety of high chloride environments: bleach (sodium hypochlorite, chlorine dioxide), halogens and chemicals with high salt or seawater content.


Alloy 20 is stainless steel with extremely high corrosion resistance to sulfuric acid.


These material valves can be used in a wide range of sulfuric acid environments, including high concentration, high-temperature environments. It possesses excellent intergranular corrosion resistance and stress corrosion cracking resistance.

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