A789 UNS2205 Duplex SS & Cooper Fin Tube , OD1'' X 8FPI Grooved G Type

A789 UNS2205 Duplex Stainless Steel Tube , OD1\'\' X 8FPI Grooved G Type Cooper Fin Tube

ASTM A789 / A789M : Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service

Standards:?ASTM/ASME?A789/SA789,?A790/SA790,A450,A530

Material:?UNS?S31803(Cr22Ni5Mo3/1.4462)/2205,UNS?S32750(1.4410),UNS?S31500(Cr18NiMo3Si2),

UNS32760(1.4501)

Quick Detail:

G Fin?Finning Lines: 5 finning machines.

Daily capacity up to 3500 meters.

Tube OD: 50.8mm(2\'\')?max.

Tube Length: 18,000mm max.

Fin Height: 16.5 mm max.

Fin Thickness: generally 0.4mm ~0.6mm

Fin Pitch: 2.1 mm (12FPI) min.

Manufacturing process

The aluminum fin strip is tension wound and placed into a groove cut into the tube.

G Fin Fluted Depth:?

Appr. 0.4mm.

Surface Protection:?

Zinc or Aluminum metalized applied by an electro spray arc system coating.

Acceptance criteria:

API Standard 661(Air-Cooled Heat Exchangers for General Refinery Service) or the delivery conditions.

Accessories

Tube support box, clamp or spacer box (Materials: Aluminum, Zinc and Stainless Steel).

Delivery condition:

Tube ends are square cut, free burrs, internally dried and air blown clean, externally coated with varnish at both ends of G-Fin Embedded Finned Tube.

Packing:?The desiccants are put into each package for continental transporation as well.

Applications:

The common application fields are:

Specifications:

Grooved G type Finned Tubes are combined with two different materials.

Competitive Advantage: