ASME SA213 T22 Alloy Steel Seamless Tube 11CR HFW Soild Fin tube for Pre Heater

• ASTM A192 / A192M : Seamless Carbon Steel Boiler Tubes for High-Pressure Service
• ASTM A210 / A210M : Seamless Medium-Carbon Steel Boiler and Superheater Tubes
• ASTM A179 / A179M : Seamless Cold-Drawn Low-Carbon Steel Heat-Exchanger and Condenser Tubes
• Tube Type:Seamless (Cold Drawn)
• Ends:Plain ends or bevel ends.
• Surface protection:black painting,anti-rust oil or varnish.

​​Detail

Manufacturing Process

A smooth core tube is inserted into an aluminum sleeve and then the fins are extruded out of the aluminum sleeve.

Fins Type

The fins are solid plain or serrated into 12,16 or 24 segments or as your design.

Unfinned Section

Both plain ends with appr. 10mm~50mm and gaps (Unfinned Section) in the middle.

Surface Coating

Both bare ends of Bimetallic Finned Tubes shall be Zinc or Aluminum that metallized applied by an electro spray arc system coating.

Accessories

Tube Support Box, Clamp or Spacer Box(Materials: Aluminum, Zinc or Stainless Steel).

Applications

• Heat exchangers units for power plant(electric, nuclear, thermal and geothermal power plants);
• High corrosive systems (condensers, evaporators, sea water desalinations, fertilizing, urea systems, ammonia, gas, corrosive acids);
• The petroleum, chemical and petrochemical industries;
• The food processing and refrigeration industries;
• Natural gas treatment;

Specifications

Competitive Advantage

1. We have more than 10,000 square meters workshop, including 10 extrusion finning machines, daily extrusion capacity up to 3,000 Meters.
2. The extrusion finning machines are designed and assembled by ourselves and we can offer you finning machines, extrusion muff sleeves and all accessories (extrusion finning disks) etc...
3. DR-extruded bimetallic fin tubes maximum operating temperature: 300 degree. The transfer coefficient remains steady.
4. DR-extruded bimetallic fin tubes have stronger fins than other mechanical fins, like L, LL, KL, and G, so it is much easier to clean.
5. In application of high stress and corrosive condiction, DR-extruded bimetallic fin tubes provides an excellent technical and economical savings in comparsion to a costlier single alloy tube, as the use of costlier material is reduced to the min.