309 Stainless Steel Pipe

309 Stainless Steel Pipe is a heat-resistant austenitic stainless steel pipe designed for elevated-temperature applications. With high chromium and nickel content, it provides excellent oxidation resistance, corrosion resistance, and mechanical strength in demanding industrial environments.

  Product Description

309 Stainless Steel Pipe is engineered for applications requiring superior performance under high-temperature conditions. The increased chromium and nickel content compared to standard stainless steels significantly enhances oxidation resistance and thermal stability, allowing the material to perform reliably in temperatures up to approximately 1000°C and above under intermittent service conditions.


This stainless steel pipe offers excellent resistance to scaling, corrosion, and thermal fatigue, making it ideal for furnace components, heat exchangers, boilers, combustion chambers, petrochemical equipment, and power generation systems. Its good weldability, durability, and long service life help reduce maintenance costs and improve operational efficiency in industrial applications.


ItemStainless Steel Pipe / Tube
Steel Grade201, 202, 301, 302, 303, 304, 304L, 304H, 309, 309S, 310S, 316, 316L,   317L, 321,
  409L, 410, 410S, 420, 420J1, 420J2, 430, 444, 441, 904L, 2205, 2507, 2101,   2520, 2304, 254SMO, 253MA, F55
StandardASTM A213,A312,ASTM A269,ASTM A778,ASTM A789,DIN 17456, DIN17457,DIN   17459,JIS G3459,JIS G3463,GOST9941,EN10216, BS3605,GB13296
SurfacePolishing, Annealing, Pickling, Bright, Hairline, Mirror, Matte
TypeHot rolled , Cold rolled
stainless steel round pipe/tube
SizeWall thickness1mm-150mm(SCH10-XXS)
Outer diameter6mm-2500mm (3/8"-100")
stainless steel square pipe/tube
SizeWall thickness1mm-150mm(SCH10-XXS)
Outer diameter4mm*4mm-800mm*800mm
stainless steel rectangular pipe/tube
SizeWall thickness1mm-150mm(SCH10-XXS)
Outer diameter6mm-2500mm (3/8"-100")
Length4000mm,5800mm,6000mm,12000mm,or as required.
Delivery timePrompt delivery or as the order quantity.
Export toIreland,Singapore,Indonesia,Ukraine,Saudi Arabia,Spain,Canada,USA,
  Brazil,Thailand,Korea,Italy,India,Egypt,Oman,Malaysia,Kuwait,Canada, Viet   Nam, Peru,Mexico,Dubai, Russia,etc
PackageStandard export seaworthy package,or as required.
ApplicationWidely used in petroleum,foodstuff,chemical industry,construction,   electric power,nuclear,energy,machinery,biotechnology,paper
  making,shipbuilding,boiler fields.
  Pipes also can be made according to the customer's required.
ContactIf you have any questions,please feel free to contact me.
Container size20ft GP:5898mm(Length)x2352mm(Width)x2393mm(High) 24-26CBM
  40ft GP:12032mm(Length)x2352mm(Width)x2393mm(High) 54CBM
  40ft HC:12032mm(Length)x2352mm(Width)x2698mm(High) 68CBM


Chemical Composition

CSiMnCrNiSP
≤ 0.20≤1.0≤ 2.022.0～24.012.0～15.0≥ 0.03≤ 0.045

 

Mechanical Properties

Tensile Strength Kb (MPa)Yield Strength σ0.2 (MPa)Elongation D5 (%)Hardness
≥ 515≥ 205≥ 40≤ 217HB ;≤ 95HRB;≤ 220HV



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