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  Austenitic stainless steel refers to stainless steel with austenitic tissue at high temperature and normal temperature. The stable austenite tissue was found in steel with Cr about 18%, Ni 8%~10% and C 0.1%. The austenitic chromium nickel stainless steel includes the famous 18cr-8ni steel and the high cr-ni series of steel with the addition of Cr, Ni content and the addition of Mo, Cu, Si, Nb, Ti and other elements. Austenitic stainless steel nonmagnetic and has high toughness and plasticity, but strength is low, cannot by phase transformation strengthening, can only through the cold working reinforcement, such as S, Ca, Se, Te elements, such as good free cutting.


Material is qualitative:304(06Cr19Ni10),304L(022Cr19Ni10),304N(06Cr19Ni10N),321(06Cr18Ni11Ti),321H(07Cr17Ni11Ti),316(06Cr17Ni12Mo2),316L(022Cr17Ni12Mo2),316LN(022Cr17Ni12Mo2N), 316Ti(06Cr17Ni12Mo2Ti),317L(022Cr19Ni13Mo3),347H(07Cr18Ni11Nb),347HFG,310S(06Cr25Ni20)。


Outside diameter Φ 6-762 - mm; Wall thickness: 0.5-50mm, maximum length 18000mm.

Special specifications are available through negotiation.

Execution standard:

  GB/T14975-2012 The structure is stainless steel seamless steel tube.

  GB/T14976-2012 Stainless steel seamless steel tube for fluid conveying.

  GB13296-2013 Stainless steel seamless steel tube for boiler and heat exchanger.

  GB 5310-2008  Seamless steel tube for high pressure boiler.

  GB 9948-2013 Seamless steel pipe for oil cracking.

  GB/T12771-2008 Stainless steel welded steel pipe for fluid conveying.

  ASTM A312Seamless and welded austenitic stainless steel tubes.

  ASME SA213 The boiler, superheater and heat exchanger are made of seamless ferrite and austenitic alloy steel tubes.

  ASME SA269 Boiler, superheater heat exchanger and condenser with welded austenitic steel tube.

  JIS G3463-2006  Boilers and heat exchangers stainless steel pipes.

  JIS G3459-2012  It is equipped with stainless steel pipe.

  GOST 9941-81 Cold (temperature) processing anti-corrosion seamless steel tube (Russian steel pipe standard)

  DIN 2462.1-1981 German stainless steel pipe standard.

  DIN17456-85 Stainless steel seamless steel tube with ordinary quality requirements.

  DIN17458-85 Stainless steel seamless steel tube with special quality requirements.

performance characteristics:

  1.Excellent corrosion resistance.

  2.Excellent cold and heat processing.

  3.Good plasticity and toughness.

  4.Best comprehensive performance

  5.The application range is widest.

Development diagram of ordinary austenitic stainless steel plate.
316LMod room temperature and high temperature intensity index distribution.

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