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347H stainless steel pipe for oil industry


Unlike the duplex 2205 pipe, 347H stainless steel pipe is a high carbon austenitic stainless steel pipe, with an excellent heat-resistance material which is applied to boiler, heat exchanger, car and aircraft exhaust, chemical equipment etc. As a higher grade from AISI 321H, the intergranular corrosion of 347H is achieved through the use of niobium (Nb) as a stabilizing element to maximize this feature.  SS 347 has a good mechanical properties welding performance, excellent resistance to intergranular corrosion .

Kaysuns provide dual grade of 347/347H stainless steel pipe and fittings with the exellent quality and fast delivery. Our stainless steel piping can be inspected by third party inspection, classication of DNV, BV, ABS, KR etc. are available for welded pipes.

Available Manfaucturing Standard

ASTM A312, ASTM A269, ASTM A213, ASTM A249, ASTM A358, EN10216-5, EN10217-7, DIN 17456, DIN 17455, GOST 9941, JIS G3459, JIS G3463 etc.、

Manufacturing and Supplying Capacity:

Product: Stainless Steel Pipes and tubes Grade 347, 347H, 1.4550
Dimension: 1/2” ~ 24” for smls, 6” ~ 104” for EFW pipe
Schedule: SCH10S, SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Type: Seamless / Welded
Manfaucturing Craft: Cold Drawn,Cold Rolled (ERW/EFW for welded)
Pipe End: Plain End, Beveled End, Treaded
Delivery Condtions: Solution Annealing, Bright Annealing

Features:

  • Excellent resistance for high temperature
  • Similar resistance and corrosion protection as Alloy 321
  • Used for heavy welded equipment when annealing is not possible
  • Good oxidation resistance, on par with most other austenitic stainless steels
  • Higher carbon allows for better high temperature creep properties

 



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Visit source site

https://kaysuns.com/347-347h-stainless-steel-pipe/

347H pipe347 STAINLESS STEEL PIPEstainless steel pipe

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