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2205 Duplex Stainless Steel Seamless Tubes

March 7, 2023

Latest company news about 2205 Duplex Stainless Steel Seamless Tubes

2205 Duplex Stainless Steel Seamless Tubes

It can be welded with most conventional methods with preheating and post weld heat treatment. The seamless pipes have less absolute roughness and can be used in equipment and instruments. The Duplex S31803 Pipe has 22% chromium and 3% molybdenum with 5% nickel and other elements in the composition. This unique combination provides the material with high strength, heat resistance and corrosion resistance. The minimum yield strength of the Duplex UNS S32205 Pipe is 550MPa and the minimum tensile strength is 800MPa. The strength values are almost double the values of 304 and 316 austenitic stainless steel grades.


Tube Specifications
  • ASTM A790 / ASME SA 790
  • ASTM A928 / ASME SA 928
  • SA 789 alloy 2205, astm a790 , a790 gr 2205
  • ASTM A999 / ASME SA 999
Tube Standard DIN, JIS, ASTM, EN, GB, AISI, ASME Tube Supplier
Tube Schedule SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS
Length Single Random, Double Random, Standard & Cut length
Type Seamless / ERW/ EFW / Welded / Fabricated / CDW / DOM / CEW Tube
Tube Value Added Service Draw & Expansion as per required Size & Length, Polish (Electro & Commercial) Annealed & Pickled Bending, Machining Etc.
Tube Thickness 0.3mm - 50 mm
Seamless Tube Outer Diameter 6.00 mm OD up to 250 mm OD, Sizes up to 12” NB
EFW Tube size 5.0 mm - 1219.2 mm
Welded Tube size 5.0 mm - 1219.2 mm
wall thickness 0.020" –0.220" (special wall thicknesses available)
End Plain End, Beveled End, Treaded Tube.


Material Test Certificates (MTC) :
Tubes HS Code Commercial Invoice
100% Radiography Test Report, Raw Materials Certificate
Manufacturer Test Certificate
Third Party Inspection Report
Material Test Certificates (MTC) as per EN 10204/3.1B, EN 10204 3.1 and EN 10204 3.2
Laboratory Test Certificate from Govt. Approved Lab.
Get in touch with us
Contact Person : Ms. Kelly Zhang
Tel : +8615824687445
Fax : 86-372-5055135
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