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| Categories | Alloy Round Tube |
|---|---|
| Brand Name: | DELLOK |
| Model Number: | HH FIN |
| Certification: | CE. ISO,EN10204. 3.1 Cert. |
| Place of Origin: | China |
| MOQ: | N/A Contact us for details |
| Price: | N/A Contact us for details |
| Payment Terms: | L/C, T/T Contact us for details |
| Supply Ability: | 60000 meters month |
| Delivery Time: | Ex-work within 5 weeks after order. |
| Packaging Details: | (1) Waterproof steel frame bundle package;(2)Steel frame case sealed by plywoods with each end capped. |
| Fin Tube Type: | HH Fin Tube Or Double"H" Fin Tube |
| Surface Treament: | Varnish /red Or Black Painting |
| Tube OD:: | 51 mm max. |
| Fin Density: | Min. 10mm |
| Fin Thickness:: | 1.5mm ~3.5mm |
| Fin Pitch:: | 10mm Min. |
| Company Info. |
| Dellok Yonghui Radiating Pipe Manufacturing Co.,Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
3.5mm Welded Fin Tubes
SA210 Gr. A1 Seamless Carbon Steel , Rectangular 'Double H' welding Fin Tube for Economizers
Description
More Tube Materials
ASTM A106 / 106M : Seamless Carbon Steel Pipe for High-Temperature
Service
ASTM A179 / A179M : Seamless Cold-Drawn Low-Carbon Steel
Heat-Exchanger and Condenser Tubes
ASTM A192 / A192M : Seamless Carbon Steel Boiler Tubes for
High-Pressure Service
ASTM A210 / A210M : Seamless Medium-Carbon Steel Boiler and
Superheater Tubes
Description:
Square or Rectangular Fins are welded on two steel base tubes. We call it Double H (HH) fin type. The surface of the fin is outside-red oxide zinc phosphate primer and inside volatile corrosion inhibitor (VCI) in water soluble tablet form. And all of them are assured by hydrostatic or pneumatic tests, eddy current tests and tensile tests in order to verify the mechanical bonding between inner tubes and outer fins. The delivery condition of this fin are ends square cut, free burrs, internally dried and air blown clean, externally coated with varnish at both ends of Square or Rectangualr Fin Tube. Besides, we provide additional services such as Tube swaging, elbows, bends (90° / 180° or as per client's design).
Acceptance Criteria
Approved drawing and the delivery conditions (TDC) of clients.
Applications:
1. Economizers ,
2. Heat exchangers
3. Marine boilers
Product Details | |
Tube details: | Tube OD: 73 mm max. |
Tube Length: 18 meters max. | |
Fin Thickness: 1.5mm ~3.5mm | |
Fin Pitch: 10mm Min. | |
Production Capacity: | Daily capacity up to 20 tons; |
Specifications:
Items | General Materials | Popular ASTM /ASME Materials |
Core Tube Material | Carbon Steel | 1. Carbon Steel: A106 / A179 /A192 / A210 etc... |
Studs | Carbon Steel | 1. Carbon Steel |
Competitive Advantage:
Shanghai Port is our nearest seaport and airport, less than 2 hours’ drive away from our workshop, convenient transportation.
The Square or Rectangular HH Fin Tubes are the preferred tube choice for high pressure boilers.
Fins can be manufactured by stamping process in almost any shape and size.
In-line fin and tube spacing allows for cleaning with excellent choice in sooting or fouling atmospheres.
Fin height and spacing are limited only by heat transfer considerations.
Fins and tubing can be similar or dissimilar metals.
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