stainless steel pipe

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304 stainless steel welded pipe bright finish

304 Grade stainless steel seamless pipe with  

Size is 15.8*1.6mm, lenght 5700mm used to industrial 

Pickling finish

packing:woven bag, steel pipe and plywood 

Manufacturing Process

Manufacturing Process of Seamless Stainless Steel Pipes/Tubes: The process commences with the formation of welded mother tube on the tube mill from imported and tested prime quality stainless steel strips. The latest TIG multi electrode welding technique is employed for superior weld quality and 100% Fusion, with argon purging, No filler metal added.

  • Type 304              1.4301 (EN Steel Number)            S30400 (UNS) 
  • Type 304L            1.4307 (EN Steel Number)            S30403 (UNS)

304 / 304L Stainless Steel Properties:

Typical chemical and mechanical properties of Type 304 and Type 304L stainless steel:

   Chemical Analysis (%)     Mechanical Properties  
   C  Cr Ni Mo
Proof Stress Tensile Elongation 
 304 0.08 18.5 9  -   235 530-730 40 
 304L 0.03 18.5 9  -   200 500-700 40

Typical industrial sectors:

  • Food Processing
  • Chemical Industry
  • Brewing
  • Pharmaceuticals
  • Petrochemicals

Typical product applications:

  • Heat Exchangers
  • Pipelines
  • Pressure Vessels
  • Flanges and fittings
  • Valves
  • Condensers.


Applications of Stainless Steel Pipes/Tubes:

1).Petroleum, Chemical enterprise, super heater of boiler, heat exchanger

2).High temperature resistant transmission fluid pipe in power station

3).Ship with pressure pipe

4).The exhaust purification device

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