Tp316LN Pipe and Tube

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TP316LN seamless pipe

Tp316LN Pipe And Tube

  • Grade:316LN, 1.4429, S31653, X2CrNiMoN17-13-3
  • 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


316LN is a nitrogen alloyed austenitic stainless steel with Mo addition. Its low carbon content avoids intergranular corrosion, even after welding. 316LN exhibits an austenitic microstructure, free of deleterious carbide precipitations. The grade contains residual ferrite after solution annealing (1050 - 1150°C /1922 - 2102°F) and water quenching. Higher Molybdenum content improves uniform and localized corrosion resistance. Nitrogen addition improves the structure stability and increases the yield strength compared to 316L. Main properties of 316LN are: high ductility, good weldability. Typical applications are food and beverage processing industry, chemical industry and chemical tankers. A ferrite free, non magnetic version of the grade has been developed for nuclear physics applications at 4°K

Chemical Composition:

% C Mn P S Si Cr Ni Mo Cu N Fe
Min - - - - - 16 11 2 - 0.1 balance
Max 0.035 2 0.045 0.03 1 18 14 3 - 0.16 balance

Mechanical Property:

20°C Tensile Strength Yield Strength Elongation % Hardness Density
Min 515Mpa 205Mpa 35% - 7.95kg/dm3
Max - - - 90HRB 7.95kg/dm3


>Chemical Idustries >Food and beverage industry
>Chemical tankers >Liquid gas production and storage vessels
>Diluted sulfuric solutions at moderate temperature >Organic acid solutions at moderate temperature

Range of Products:

Plates / Sheets / Coil Heavy Plate
Cold Rolled Sheet
Hot Rolled Sheet
Fittings Seamless LR Elbow / Welded LR Elbow
Con Reducer / Ecc Reducer
Con Tee / Ecc Tee / Cross
Coupling / Cap
Flange Blind Plate Flanges
Lap Joint Flanges
Raised Face Blind Flanges
Raised Face Slip On Flanges
Raised Face Socket Weld Flanges
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Blind Plate Flanges
Pipe / Tube Seamless Pipe
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Seamless Tube
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Seamless U-Tube
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Square Tube
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Bar Round Bar
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