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The Best Price for Duplex Stainless Steel Seamless Heat Exchanger Annealed Tubes

China The Best Price for Duplex Stainless Steel Seamless Heat Exchanger Annealed Tubes, Find details about China Duplex Steel Tube, S31803 Duplex Steel Tube from The Best Price for Duplex Stainless Steel Seamless Heat Exchanger Annealed Tubes

Model NO.
UNS S31803, S32304, S32750, S32507, S31050
Surface Treatment
Picking
Trademark
Tongji Engineering
Transport Package
Wooden Case
Specification
acc to the ASTM specifications or others
Origin
China
HS Code
7307491000
Model NO.
UNS S31803, S32304, S32750, S32507, S31050
Surface Treatment
Picking
Trademark
Tongji Engineering
Transport Package
Wooden Case
Specification
acc to the ASTM specifications or others
Origin
China
HS Code
7307491000
The Best Price for Duplex Stainless Steel Seamless Heat Exchanger Annealed Tubes
Duplex Steels are extremely resistant to corrosion and have exceptional mechanical strength for the special applications.

Standard: ASTM A789/ ASTM A790, ASTM A312 or closer
Grades: UNS S31803, S32304, S32205, S32750, S32507, S31050, S33207, S32101 etc.
Size: OD: 5 - 1016 mm, Wt: 0.5~ 25mm, Length: 20m or as required



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 seamless heat exchanger tube
Process methodCold drawn/ Cold rolled/ Welded
Materials GradesUNS S31803, S32304, S32750, S32707
UNS S31050, S33207, S32900, S31500 etc.
Standards:ASTM A789/ 790, ASTM A312,
DIN17458, EN10216-5, JIS3463, JIS3459, GOST, BS 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 FinishedAnneal/ 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
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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