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Huzhou Dapu Stainless Steel Co., Ltd.

Rectangular Stainless Steel, Stainless Steel Tube, Special Pipe manufacturer / supplier in China, offering 309S Rectangular Stainless Steel, Stainless 304 Bright Annealing Tread Sheet, 904L Heat Exchanger Tube and so on.

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309S Rectangular Stainless Steel

FOB Price: US $3,500 / Ton
Min. Order: 5 Tons
Min. Order FOB Price
5 Tons US $3,500/ Ton
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Production Capacity: 15000 Ton/Year
Transport Package: Woven Bags, Plastic Bags, Cap Ends, Plywood Cases
Payment Terms: L/C, T/T, D/P, Paypal, Money Gram, Western Union

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Basic Info
  • Model NO.: 309s
  • Technique: ERW
  • Surface Treatment: Polished
  • Section Shape: Rectangular
  • Trademark: ZJDP
  • Origin: China
  • Type: Seamless, Welded...
  • Material: Stainless Steel
  • Usage: Construction & Decoration
  • Size: 8mmodx0.5mm-3000mmodx45mm
  • Specification: 8mm*0.5mm-3000mm*45mm
  • HS Code: 73061100
Product Description

Exquisite technology,Premium Quality are the reason to choose DAPU!

309 Stainless Steel and 309S Stainless Steel


Types 309 Stainless Steel and 309S are austenitic chromium-nickel stainless steels that provide excellent corrosion resistance and heat resistance plus good strength at room and elevated temperatures. Type 309S Stainless Steel is identical to Type 309 except for a lower carbon content that minimizes carbide precipitation and improves weldability. They are essentially nonmagnetic as annealed and become lightly magnetic when cold worked.

Typical Applications:

furnace parts, heating elements, aircraft and jet engine parts, heat exchangers, sulfite liquor handling equipment, kiln liners, boiler baffles, refinery and chemical processing equipment, and auto exhaust parts


These alloys are not hardenable by heat treatment. Anneal at 1900 - 2050°F (1038 - 1121°C), then water quench or rapidly air cool.

Types 309 and 309S Stainless Steels can be roll formed, stamped and drawn readily. In-process annealing is usually required to reduce hardness and increase ductility.


Type 309 is generally considered to have weldability nearly equivalent to the most common alloys of this class, Types 304 and 304L. When a weld filler is needed, AWS E/ER 309 and 310 are most often specified.


Types 309 and 309S provide excellent general corrosion resistance. They are more resistant to marine atmospheres than Type 304. They exhibit high resistance to sulfite liquors and are useful for handling nitric acid, nitric-sulfuric acid mixtures, and acetic, citric, and lactic acids.

Stainless Steel Pipe
Material Grade
TP304/304L TP316/316L TP347 TP347H TP321 TP321H TP310 TP310S

TP410 TP410S TP403

S31803/S32205 S32750 S32760
Outer Diameter
Seamless Pipe:6mm--610mm

Welded Pipe :single slit(Φ8mm-Φ630mm); girth(Φ630mm-Φ3000mm),
Seamless Pipe:0.6mm - 30mm

Welded Pipe: single slit(0.5mm-25mm);girth(3mm-45mm)
5.8-6.1 m or as customers' request
Acording to the Standard.
180G, 320G, 400G Satin / Hairline

400G, 500G, 600G or 800G Mirror finish
Petrochemical industry, chemical fertilizer industry, oil refining industry, oil and gas industry, light industry and food industry, pulp and paper industry, energy and environmental industries.
UT,ET,HT RT,ect,and others according to the standard,or as the requests of the customers

309S Rectangular Stainless Steel
309S Rectangular Stainless Steel
309S Rectangular Stainless Steel
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