G Base Radiual Cooling Fin Tube , SA210 GR A /C Seamless Carbon Steel Bolier Tube

ASTM A192 / A192M : Seamless Carbon Steel Boiler Tubes for High-Pressure Service

ASTM A210 / A210M : Seamless Medium-Carbon Steel Boiler and Superheater Tubes

Steel Grade: Grade A1; Grade C

Delivery Condition: Annealed, Normalized, Normalized and Tempered

Quick Detail:

G fin Finning lines: 5 finning machines.

Daily capacity up to 3500 meters.

Tube OD:16mm min. 50.8mm(2'') max.

Tube Length: 18,000mm max.

Fin Height: 16.5 mm max.

Fin Thickness: generally 0.4mm ~0.6mm

Fin Pitch: 2.3 mm (11FPI) min.

Manufacturing process

The aluminum fin strip is tension wound and placed into a groove cut into the tube with appr. 0.4mm fluted depth.

Surface Protection of Plain Ends

Both ends of Grooved G type Fin Tubes shall be 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 (TDC).

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.

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

Applications:

The common application fields are:

1. Heat exchangers units for power plant(electric, nuclear, thermal and geothermal power plants);

2. High corrosive systems (condensers, evaporators, sea water desalinations, fertilizing, urea systems, ammonia, gas, corrosive acids);

3. The petroleum, chemical and petrochemical industries;

4. The food processing and refrigeration industries;

5. Natural gas treatment;

Specifications:

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

Competitive Advantage:

1. We have more than 10,000 square meters workshop, including 5 finning machines, daily capacity up to 3,500 meters.

2. The Grooved G type Finning Machines are designed and assembled by ourselves and we can offer you finning machine and all accessories etc...

3. The contact of manufacturing Grooved fin tubes is designed for a high wall temperature of up to 350°C.