The duplex stainless steel tube is mainly applied to seawater environment, petrochemical industry, fertilizer industry, petroleum refining industry, petroleum and natural gas transportation, light industry and food industry, pulp and papermaking industry, and energy and environmental protection industry.
Main Grade:
UNSS32001,S31500,S32304,S32205,S32760,S32750,00Cr22Ni5Mo3N,00Cr25Ni7Mo4N,00Cr20Ni25Mo4,5Cu
Production Standard: ASTM A789(ASME SA789)
Seamless and Welded Ferrite/Austenitic Stainless Steel Tube for General Use ASTM A790(ASME SA790)
Seamless and Welded Ferrite/Austenitic Stainless Steel Nominal Tube ASTM A928
Standard for Filler Metal Electric-fusion-welded Ferrite/Austenitic (Duplex) Stainless Steel Tube

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