Tube & Flanges


1.Tubes & Pipes for Heat Exchanger


  • Stainless steel – 304/304L, 304N, 316/316L, 316Ti, 310S, 321, 317L, 410S, 420J2 , S31803, S32205, S32750
  • Alloy steel – Titanium Gr.2 904L, Alloy C-276, S31002, Alloy 600, Alloy 800
  • Others – C68700, C44300, C26000, C60800, C70600, C71500, Aluminium
  • Carbon – A179/SA179, A106/SA106 Gr.B, A335/SA335 P11, STKM, T11

(Application code) : ASTM, ASME, AISI, DIN, JIS, KS

(General size for Heat exchanger)

  • (Outer diameter)   : 50.80mm, 31.75mm, 25.40mm, 19.05mm, 15.88mm, 12.70mm, 9.53mm, 6.35mm
  • (Wall thickness)   : 3.05mm, 2.77mm, 2.41mm, 2.11mm, 1.65mm, 1.24mm, 0.89mm, 0.70mm, 0.50mm


(HRSG), Heat exchanger & Boiler, Condenser, Fin tube, Power plant, Petrochemical plant(Gas, Oil and other)


2.Instrument Tubes


  • Stainless     : 304/304L, 316/316L, 316LN, 316Ti, 310S, 321, 317L
  • Duplex         : S31803, S32205, S32750

Instrument Tube

3.Seamless Coil Tube

  • Oil & Gas
  • Ship Building
  • Aerospace & Defense
  • Chemical Process & Instrumentation
  • Medical Appliance

Seamless Coil

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