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DELLOK 90 Degree Bends Boiler HH Type 51mm BS3059 Square Fin Tube
BS3059 Square Fin Tube
,BS3059 Boiler Fin Tube
,51mm Square Fin Tube
90 Degree Bends Boiler HH Type 51mm BS3059 Square Fin Tube
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 BS3059-Ⅱ360,440,243,620-460,622-490,S1,S2,TC1,TC2 |
| 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 |
| Product Details | |
| Tube details: | Tube OD: 51 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; |
Introduction:
Square or Rectangular H Fins are welded on a steel base tube. We call it H Fin Type Tubing. About this fin we provide additional services like Tube swaging, elbows, bends (90° / 180° or as per client's design). It has various uses in Economizers ,Heat exchangers, Marine boilers
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.
Acceptance Criteria
Approved drawing and the delivery conditions (TDC) of clients.
Surface Coating
Outside-Red oxide zinc phosphate primer and inside volatile corrosion inhibitor (VCI) in water soluble tablet form.
Specifications:
| Items | General Materials | Popular ASTM /ASME Materials |
| Core Tube Material | Carbon Steel Alloy Steel Heat Resistant Steel, Stainless Steel |
1. Carbon Steel: A106 / A179 /A192 / A210 etc... 2. Stainless Steel: TP304/304L,TP316/TP316L, TP347 etc... 3. Alloy Steel: P5,T5,P9,T9,T11,T22 |
| Studs Material |
Carbon Steel Stainless Steel |
1. Carbon Steel |
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.
Our Service:
1. Inquiry-Professional quotation, or send inquiry item more details
2. Confirm the price, lead time, payment term etc
3. Proforma Invoice send or online
4. Make the samples according to your request, send you photos or samples, arrange the production
5. Send the production line photos Confirm the estimated delivery time again.
6. End Production-Mass production products photos and samples will send to you for approval.
7. Inform the tracking number and check the status for clients
8. Order can be say "finish" when you receive the goods and satisfy with them
9. Feedback to our about Quality, Service, Market Feedback & Suggestion. And we can do better
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