Good Price S31803 Duplex Steel Heat Exchanger Tube

• Type: Duplex Steel Pipe
• Standard: ASTM, AISI, GB, JIS, DIN, EN
• Grade: Solution and Pickled
• Model NO.: UNS S31803, S32304, S32750, S32507, S31050
• Certification: ISO
• Shape: Round
• Technique: Cold Rolled
• Surface Treatment: Solution Annealed
• Transport Package: Wooden Case
• Specification: acc to the ASTM specifications or others
• Trademark: Tongji Engineering
• Origin: China
• HS Code: 7304419000
• Production Capacity: 50000PCS

Product Description

Duplex Steel seamless heat exchanger tube
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: 10 - 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

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.

Commodity	Duplex Steel seamless heat exchanger tube
Process method	Cold drawn/ Cold rolled/ Welded
Materials Grades	UNS 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.
Size	NPS: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
Shape	In straight length or as U-bend
Surface Finished	Anneal/ 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
Certificate	EN 1024 3.1/ 3.1B/ 3.2, PED, DNV, TUV
Packing	Wooden case/ Steel framed plywood case/ simple packing
Delivery Time	By mutual agreement