WENZHOU HAINER STEEL TECH. CO.,LTD                               

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Home ProductsSeamless Stainless Steel Pipe

Seamless Stainless Steel Tube

Good quality Stainless Steel Pipe Fitting for sales
Good quality Stainless Steel Pipe Fitting for sales
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Seamless Stainless Steel Tube

China Seamless Stainless Steel Tube supplier

Large Image :  Seamless Stainless Steel Tube

Product Details:

Place of Origin: China
Brand Name: Cosco Steel
Certification: ISO,SGS,CQC,etc.
Model Number: 304/304L,316L,309S,310S,321,347,347H etc.

Payment & Shipping Terms:

Minimum Order Quantity: 500Kgs/ one size
Price: Negotiation
Packaging Details: Plastic bag in bundle,Wooden box,etc.
Delivery Time: 20-25 days
Payment Terms: T/T, L/C at sight
Supply Ability: 600Tons/Month
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Detailed Product Description
Surface Finished: Annealed And Pickled - AP Finish Outside Diameter: 219.1mm ( +/- 1% Tolerance )
Wall Thickness: 8.18mm ( +/- 10% Tolerance ) Length Of Pipe: 6100mm ( +/-5mm )
Material: 0Cr18Ni9(304), 00Cr19Ni10(304L), 1Cr18Ni9Ti(321), 0Cr17Ni12Mo2(316) Etc Standard: ASTM A312/A312M, ASTM A213/A213M, ASTM A269/A269M
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304 Stainless Steel Pipe


Stainless Steel Pipes And Tubes


ASTM A312 AISI304 304L 316L SS Pipe Seamless Stainless Steel Pipe​



Quick Detail:


Standard Specification

ASTM A312,A213,A249,A269,A270A789,A554,A790,etc.


304,304L,309S,310S,316L,317L,321,,347,347H,2205 etc.

Outer Diameter

6mm to 325mm

Wall Thickness

0.5mm to 25mm


6m, 12m, 18m


Round Pipe





  1. Size DN(in): 1/8” to 20” According to ANSI B36.1, B36.19M
  2. Wall Thickness: From Sch5s to XXS
  3. Length of pipe: Single Random, Double Random,20Feet etc.
  4. Marking: Registered logo,Heat Number,Steel Grade,Standard,Size
  5. Packing: Pipe cap both end,plastic bag in bundle
  6. H.S Code: 7304419000
  7. Material:                                                                                                                           0Cr18Ni9(304), 00Cr19Ni10(304L), 1Cr18Ni9Ti(321), 0Cr17Ni12Mo2(316), 00Cr17Ni14Mo2(316L), 0Cr18Ni12Mo2Ti(316Ti), 0Cr19Ni13Mo3(317), 00Cr19Ni13Mo3(317L), 0Cr25Ni20(310S), 1Cr19Ni11NB(317H)
  8. Standard:                                                                                                                                 U.S.A Standard ASTM A312/A312M, ASTM A213/A213M, ASTM A269/A269M                          Germany Standard DIN2462, DIN17456                                                                                  Japanese Standard JIS G3463, JIS G3459




We,this type seamless steel pipe be widely used in kinds of industries:

  1. Petroleum,Chemical industry,Environment protection equipment,
  2. Medical equipment,Shipbuilding industry,Paper making factory,
  3. Electric power plant,Pollution discharging project etc.





Designation: A312/A312M-04a

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

Stainless Steel Pipe


Specification covers

Seamless,straight-seamless welded,

and heavily cold worked austenitic stainless steel pipe

Manufacture Process

Seamless (SML) Pipe

Diameter Tolerance





Permitted Variations


Wall Thickness




                     Tolerance,% from Nominal          

NPS Designator                                          Over      Under       

1/8 to 21/2 inc., all t/D ratios                        20         12.5

3 to 18 inc., t/D up to 5% incl.                      22.5      12.5

3 to 18 inc., t/D over 5%                              15          12.5

20 and larger,welded,all t/D ratios               17.5       12.5

20 and larger,seamless,t/D up to 5% incl.    22.5      12.5

20 and larger,seamless,t/D over 5%            15         12.5


 Where:  t = Nominal Wall Thickness

         D = Ordered Outside Diameter

Inspection item

  1. Size(outside,wall,length); 
  2. 2.Surface of Pipe;
  3. Chemical Composition; 
  4. 4.Mechanical Testing
  5. Hydro-static Or Nondestructive Electric Test
  6. ICT(Inter-granular Corrosion Test)  etc.

Ordering Information

  • Quantity(feet,meters, or number of lengths)
  • Steel Grade
  • Size(outside diameter,nominal wall thickness,length)
  • Test report requirements etc.



Our advantage

  1. Competitive price with good quality
  2. Soonest delivery days (Big enough stock 304L Seamless Pipe in warehouse)
  3. Good quality control system
  4. Good after sales services
  5. Good package


 Seamless Stainless Steel Tube

Seamless Stainless Steel Tube

Contact Details

Contact Person: Mr. Mark Fuel

Tel: 86-577-8607-7653

Fax: 86-577-8607-7653

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