Stain Finish DIN Stainless Steel Elliptical Tube / Thin Wall Steel Pipe 1.0mm to 3.0mm

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Stain Finish DIN Stainless Steel Elliptical Tube / Thin Wall Steel Pipe 1.0mm to 3.0mm



Quick Detail:


This elliptical steel tube,included seamless and welded,be made by round stainless steel tube. If the tube is welded elliptical steel tube,the manufacturing process of round stainless steel tube according to ASTM A312 / ASTM A544 etc.


Surface Finish Of Elliptical Steel Tube: 2B Finish | Pickled Finished | Annealed&Pickled etc.

Size of rould welded tube: 20 x 40mm to 60 x 120mm

Wall thickness of tube: 1 mm to 3 mm

Length of tube: 3000 mm; 6000 mm; 6100mm | 10feet; 15feet; 20feet; 30feet; 35feet etc.

Main Material: 201; 304; 304L; 316L etc.

Surface:180G, 320G, 400G Satin / Hairline, 400G, 500G, 600G, 800G Mirror finish, Brushed, TIN titanium plated

Test: Squash test, extended test, water pressure test, crystal rot test, heat treatment, NDT

Market: USA, Canada, Japanese, European etc.




We can supply type of tube: Welded Oval Tube, Welded Elliptical Tube, Welded Square Tube,

                                           Welded Rectangular Tube, Seamless Oval Tube, Seamless Square Tube,

                                          Seamless Stainless Elliptical Tube, Seamless Stainless Rectangulare Tube.


The Mainly Material :SUS 201 / AISI 201 / S20100 ; 1. 4301/ SUS304/ AISI304/ S30400, 

                        1. 4306/ SUS304L/ AISI304L/ S30403; 1. 4404/ SUS316L/ AISI316L/ S31603, etc.


The Round Tube Of Standard Specification: 


  GB/T12771-2008, ASTM A312, ASTM A789, JIS G3448, 

  DIN EN10216-5, DIN EN10217-7, etc.

  1. Size: 1/2 In. to 48 In.
  2. Wall Thickness: 1mm to3mm
  3. Marking: Registered logo,Heat Number,Steel Grade,Standard,Size
  4. H.S Code: 7306.4000 ( For Welded Steel Oval | Elliptical | Square | Rectangular Tube )




This type welded Oval | Elliptical Steel tubes/pipes be used in 

  1. Industrial fluid conveying pipes
  2. Mechanical structural tubes
  3. Walled water tubes
  4. Larger caliber industrial welded pipes etc.


Specifications( Welded Round Steel Pipe )


Designation: A312/A312M-04a

Standard specifications For Seamless,Welded,And Heavily Cold Worked Austenitic

Stainless Steel Pipe


Manufacture Process

ERW Welded ( ELD ) Pipe




Quality Inspection




  1. Metallographic Analysis
  2. Physical And Chemical Analysis
  3. Specification Eccentricity Test
  4. Mechanical Test
  5. PMI Test
  6. Eddy Current Test
  7. Large-Size Ultrasonic Flaw Test
  8. Ultrasonic Flat Test
  9. Thickness Test   etc.




Mechanical Requirements

 Grade   UNS Designation   Tensile Strength   Yield Strength

                                          Min Ks i [M pa]       Min Ks i [M pa] 

 TP304     S30400             75 [515]                 30 [205]

 TP304L   S30403             70 [485]                 25 [170]  

 TP309S   S30908             75 [515]                 30 [205] 

 TP310S   S31008             75 [515]                 30 [205]

 TP316L   S31603             70 [485]                 25 [170]

  ....               ....                        .....                                .....

  1. Specification No.
  2. Pipe
  3. Grade
  4. NPS
  5. Wall
  • ASTM A312
  • P
  • TP304 
  • 12IN
  • 0.375 IN
  • WELDED .....

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Mr. Mark Fuel
Tel: 86-577-88959737
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Wenzhou Zhongyuan Steel Industrial Co.,Ltd
Room 1003,No.1 Building,Phase III, Wenzhou, Zhejiang, China (Mainland)
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