Tp304 Pipe and Tube

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A249 TP304H welded tube for heat exchangers

Tp304H Pipe And Tube

  • Grade:304L, 1.4307, S30403, X2CrNi18-11
  • OD: 6mm-630mm, 1/4"-24"
  • WT: 0.7mm-30mm, Sch 10S-Sch XXS
  • Length: Fixed or random length as specified
  • Specifications: A312, A213, A269, A249, A358, A511, JIS G3459, JIS G3463, EN10216-5
  • Delivery Condition: Annealed and Pickled, Birght Annealed, Mechanical Polished, Electric Polished
  • Mill Certificate: EN 10204 3.1, EN10204 3.2
  • Marking: Continuosly stenciled as specified.
  • Packing: In bundle or plywood cases with end caps
  • Manufacturing: Seamless, Welded


304L is an austenitic stainless steel with properties as: Good general corrosion resistance, Excellent resistance to intergranular corrosion in the as - welded condition, Easy to weld and form, Good toughness at low temperature.
This grade is austenitic in the solution annealed condition (1000 - 1100°C / 1832 - 2012°F) and water quenching. It contains a small amount of ferrite.

Chemical Composition:

% C Mn P S Si Cr Ni Mo Cu N Fe
Min - - - - - 18 8 - - - balance
Max 0.035 2 0.045 0.03 1 20 13 - - - balance

Mechanical Property:

20°C Tensile Strength Yield Strength Elongation % Hardness Density
Min 485Mpa 170Mpa 35% - 8kg/dm3
Max - - - 90HRB 8kg/dm3


>Pressure vessels >Heat exchangers
>Piping systems >Power Generation
>Petroleum Refining >Construction

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