BS3059 PT 1/ 2 OD 2'' HH Fins Marine Boiler Square Fin Tube with 90 Degree Bends
Brand Name:Reliance
Certification:CE,ISO...
Model Number:HH FIN
Minimum Order Quantity:N/A
Delivery Time:Ex-work within 5 weeks after order.
Payment Terms:T/T, L/C
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No.19, Shashan road, Huashi town, Jiangyin city, Jiangsu province, China,214421
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Product Details
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Product Details
BS3059 PT 2 GR 360 , OD 2'' , HH Fins Marine Boiler Tube with 90
Degree Bends
Description of BS3059 Tubes
Application | For high, middle, low pressure boiler and pressure purpose. |
Steel Grade | BS3059-Ⅰ 320 CFS |
End protection | Plastic Caps |
Outside coating | Black painting, anti-corrosion oil, galvanized or as per required by customers |
Surface treatment | Oil,varnish,Passivation,Phosphating,Shot Blasting |
Inspection and test | Chemical Composition Inspection,Mechanical Properties Test. Surface and Dimension Test, Non-destructive Test, Hydrostatic Test. |
Delivery condition | Annealed, Normalized, Normalized and tempered |
| General fin tube production capacity | General specfications of HH(Double H) fin tube |
Production Facility: 6 finning machines; Daily capacity up to 20 tons; | Tube OD: 51 mm max. Tube Length: 18 meters max. Fin Thickness: 1.5mm ~3.5mm Fin Pitch: 10mm Min. |
Manufacturing Process
Square or Rectangular Fins are welded on 2 steel base tubeS. We
call it HH or Doule H Fin Type Tubing.
Acceptance Criteria
Approved drawing and the delivery conditions (TDC) of clients.
Additional Services
Tube swaging, elbows, bends (90° / 180° or as per client's design).
Quality Tests
The Square or Rectangualr H Finned Tube quality is 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.
Surface Coating
Outside-Red oxide zinc phosphate primer and inside volatile
corrosion inhibitor (VCI) in water soluble tablet form.
Delivery Condition: Tube ends are square cut, free burrs, internally dried and air
blown clean, externally coated with varnish at both ends of Square
or Rectangualr Fin Tube.
Applications:
- Economizers ,
- Heat exchangers
- Marine boilers
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 |
Why we choose HH welding fin tube: High efficiency, minimum power loss, easy cleaning.
Descriptions of HH Fin Tube | Popular Specifications we make |
Tube OD(mm) | 25mm to 51mm |
Tube Wall thickness(mm) | 2.5mm Min. |
Tube length(mm) | 18000mm Max. |
Fin thickness(mm) | 1.5mm to 3.5mm |
Fin pitch(mm) | 10mm Min. |
Please email us for more information. | |
Competitive Advantage:
- We have more than 10,000 square meters workshop, including 6 H-FIN TYPE finning machines, daily extrusion capacity up to 20 tons.
- The Square or Rectangular Fins H-Finned 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.
BS3059 PT 1/ 2 OD 2'' HH Fins Marine Boiler Square Fin Tube with 90 Degree Bends
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