01. Commodity: ASME SA789/ASTM A789 UNS S31803 Duplex Steel Tubing

02. Process method: cold drawn, cold rolling.

03. Surface finish: solution annealing and passivated, bright annealing, polishing.

04. Material: S31803, S31500, S32205/SAF2205, S32304/SAF2304, S32750/SAF2507, S32760, with corresponding GB, ANSI, EN, JIS, BS & ISO material designations.

05. Specification: EN10216-5, ISO1127, ASTM (ASME) A/SA789, GB/T21833.

06. Size (astm/asme size as under, other standards of size is for ready choice)

A) O.D.: 1/2" to 3".

B) W.T.: 6 BWG, 8 BWG, 10 BWG, 12BWG, 14BWG, 16BWG, 18BWG, 20BWG, 22BWG.

07. Length: Max. 25 meters.

08. Applications: for boiler, superheater and heat-exchanger service.

09. Packing: plastic bags for each piece, then packed in seaworthy plywood case or Wooden case or iron case.

10. Certificate: TS, ISO 9001, PED97/23/EC, ASME, ABS, DNV-GL