Unifit Metalloys Inc manufacture & Export Pipes and tubes as per ASTM/ASME A/SA 789 specification covers standard requirements for grades of nominal wall thickness, stainless steel tubing for services requiring general corrosion resistance, with particular emphasis on resistance to stress corrosion cracking. These steels are susceptible to embrittlement if used for prolonged periods at elevated temperatures. We deliver ASTM A789 Seamless & Welded tubes with complete EN 10204:3.1/3.2 certification. TPI also welcome. Spec: ASTM A 789 / ASME SA 789 Grades (Stainless Steel): Duplex stainless steel: 2205, UNS No. S31803, UNS No. S32205 Super Duplex stainless steel: 2507, UNS No. S32750, UNS No. S32760 Size Range of Tubes: 1/8” (3.175mm) OD to 8” (203.2mm) OD; 0.7mm to 25.4mm thickness Customized dimensions & Sizes can be produced in-house with our draw bench and Pilgering. Annealing, Pickling and passivation facilities are in-house as well. Outer polishing and electropolishing.

Pipes and tubes, stainless steel
  • Pipes and tubes, stainless steel
  • Stainless steel tubing
  • Pipes made from stainless steel sheeting

Product features

GRADE 2205, UNS No. S31803, UNS No. S32205, 2507, UNS Ni. S32750, UNS No. S32760
SIZE 1/8” (3.175mm) OD to 8” (203.2mm) OD
THICKNESS 0.7mm to 25.4mm thickness
CERTIFICATE EN 10204:3.1/3.2

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