Jiangsu, China
Business Type:
Manufacturer/Factory, Trading Company
Management System Certification:
ISO 9001, ISO 9000, ISO 14001
Sample Available
Spanish / Portuguese Speaker

Duplex Steel Tube, S31803 Duplex Steel Tube, Stainless Steel Tube manufacturer / supplier in China, offering Good Quality Stainless Steel Pipe S31050, Hot Selling F317L (UNS S31703, 19Cr, 13Ni, 3.5Mo) Forgings, The Best Price for Duplex Stainless Steel Seamless Heat Exchanger Annealed Tubes and so on.

Gold Member Since 2014
Audited Supplier

Good Quality Stainless Steel Pipe S31050

Get Latest Price
Min. Order / Reference FOB Price
1 pc US $5/ pc
Port: Shanghai, China
Production Capacity: 50000PCS
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram
Type: Stainless Steel Pipes
Standard: ASTM, AISI, GB, JIS, DIN, EN
Grade: S31050
Certification: ISO
Shape: Round
Technique: Cold Rolled

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Basic Info

Model NO.: S31050
Surface Treatment: Polished
Trademark: Tongji Engineering
Transport Package: Wooden Case
Specification: acc to the ASTM specifications or others
Origin: China
HS Code: 7307910000

Product Description

Duplex Steels are extremely resistant to corrosion and have exceptional mechanical strength for the special applications.

Standard: ASTM A789/ ASTM A790, ASTM A312, UreaCasaleor closer
Materials: UNS S31050, 25Cr-22Ni-2Mo

Tongji Engineering offers a comprehensive list of tubing alloys to fit the most and least common applications.

Stainless Steel: 304 Tubing, 316/ 316L/ 316H, 317/ 317L, 309S/ 310H, 310S/ 310H, 321/321H, 347/ 347H
Duplex Stainless Steel: UNS S31803, S32304, S32205, S32750, S32507, S31050, S33207, S32101
Super Austenitic: 6 Moly, 825, 904L, 800/ 800H, N08811
Super Ferritics/ Ferritics: 29-4C, S44627, 439, 444, 446
Nickel Alloy: 20, 200/ 201, 276, 400, 600, 22, 625, 686
Titanium: Grades 1, 2, 3, 7, 9, 11, 12, 16, 17, 26 and 28
Copper alloys: C70600, C71500, C71640, C44300, C68700
Markets We Serve:
Oil & Gas, Power Generation, Chemical, Petrochemical, Food & Dairy, Beverage, Pharmaceutical, Biopharmaceutical, General Commercial, Specialty Automotive
We always seek and improve our service as per requirement of our valued customers.
CommodityDuplex Steel UNS S31050 Tube & Pipe
Process methodCold drawn/ Cold rolled/ Welded.
Materials GradesUNS S31050, 25Cr-22Ni-2Mo
Standards:ASTM A312,ASTM A789, ASTM A790, UreaCasale or Closer
SizeNPS:1/8 to 40" , Schedule: 5S to XXS. Length: 20m or as required.
OD: 5 - 1016 mm, Wt: 0.5~ 25mm, Length:20m or as required.
ShapeIn straight length or as U-bend
Surface FinishedBright Annealed/ Picking/ Manual Polish/ Mechanical Polish or as required
Inspection Testing 100% Ultrasonic Test, 100%Eddy Current Test, 100%Hydraulic Test, 
100% X-Ray Test to welded pipe or as required.
Mechanical Test, Hardness Test, Inter-granular corrosion Test.
CertificateEN 1024 3.1/ 3.1B/ 3.2, PED, DNV, TUV.
    PackingWooden case/ Steel framed plywood case/ simple packing.
  Delivery TimeBy mutual agreement.

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