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 No. 168 Qian Gao Road, Liangxi District, Wuxi City, Jiangsu Province, China

Grade 309S Stainless Steel Seamless Tube 8 Inch Diameter

  • 309/309S
  • 7304

Quick Details

  • Standard: ASTM, AISI, DIN, EN, GB, JIS

  • Place of Origin: Jiangsu, China (Mainland)

  • Type: Seamless Welded

  • Steel Grade: 300 Series

  • Application: industrial ,construction,decorative

  • Certification: BV IBR ISO ROHS SGS

  • Thickness: 1-60mm

  • Outer Diameter: 6-630mm

  • Stock: yes

  • Tolerance: +/- 3mm

  • Length: 6m or as customers' request

  • Surface: 180G, 240G, 320G Satin / Hairline,400G, 600G Mirror finish

  • sample: free

Packaging & Delivery

Packaging Details: woven bag, plastic wrapper and wooden packing or as your requirement
Delivery Detail: 7-15days


Cold Rolled Stainless Steel Tube/Pipe

      309S stainless steel tube

Detailed information

ASTM  Square /Rectangle  welded steel  tube


Wall thickness (W.T.)




1m-12m ,by customer's requirements

International Standard

ISO 9001-2008


ASTM A53,BS1387-1985,GB/T3091-2001,GB/T13793-92, GB/T6728-2002



Product Category

Metallurgy, Mineral & Energy




1.Big OD: in bulk vessel

2.Small OD: packed by steel strips

3.woven cloth with 7 slats

4.according to the requirements of customers


Mechanical & manufacture, Steel structure,

Shipbuilding, Bridging ,Automobile chassis

Main market

Middle East, Africa, Asia and some European country and America ,Australia

Country of origin



50,000 Metric Tons per Month


1 Payment terms :T/T ,L/C

2 Terms of trade :FOB

3 Minimum order : 20 tons

4 Lead time: on or before 30 days

Surface Finish

Surface Finish Definition Application
2B Those finished, after cold rolling, by heat treatment, pickling or other equivalent treatment and lastly by cold rolling to given appropriate luster. Medical equipment, Food industry, Construction material, Kitchen utensils.
BA Those processed with bright heat treatment after cold rolling. Kitchen utensils, Electric equipment, Building construction.
NO.3 Those finished by polishing with No100 to No120 abrasives specified in JIS R6001. Kitchen utensils, Building construction.
NO.4 Those finished by polishing with No150 to No180 abrasives specified in JIS R6001. Kitchen utensils, Building construction, Medical equipment.
HL Those finished polishing so as to give continuous polishing streaks by using abrasive of suitable grain size. Building Construction.
NO1 The surface finished by heat treatment and pickling or processes corresponding there to after hot rolling. Chemical tank, pipe.

Packaging & Transportation

Every round welded 201 / 304 stainless steel pipe is sleeved in plastic bag individually, and several tubes are packed to be bundle without any logo.also pack as customer requirement

Stainless Steel Tube
Stainless Steel Tube
Stainless Steel Tube

Our promise

We insist " quality first, reputation foremost "If you have any problem please feel free to contact us! We primose to service you with the best product of the most reasonbale, all the time ,offer our best service.

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