SA210 GR A / C Heat Exchanger Fin Tube Carbon Steel Bolier Tube G Base Radial Cooling

SA210 GR A / C Heat Exchanger Fin Tube Carbon Steel Bolier Tube G Base Radial Cooling

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

ASTM A210/A210M-19  Standard Specification for Seamless Medium-Carbon Steel Boiler and Superheater Tubes
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.