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.
