BS3059 PT 1/ 2 OD 2'' HH Fins Marine Boiler Square Fin Tube with 90 Degree Bends
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BS3059 PT 1/ 2 OD 2'' HH Fins Marine Boiler Square Fin Tube with 90 Degree Bends

BS3059 PT 1/ 2 OD 2'' HH Fins Marine Boiler Square Fin Tube with 90 Degree Bends: 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.

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Product Description

BS3059 PT 1/ 2 OD 2'' HH Fins Marine Boiler Square Fin Tube with 90 Degree Bends


1.Product Details:

Place of Origin:

China.

Brand Name:

Baerfu

Certification:

ISO...

Model Number:

HH FIN


2.Payment & Shipping Terms:

Minimum Order Quantity:

N/A

Price:

N/A

Packaging Details:

(1) Waterproof steel frame bundle with each end capped; (2) Steel frame case sealed by plywoods with each end capped.

Delivery Time:

Ex-work within 5 weeks after order.

Payment Terms:

T/T, L/C

Supply Ability:

Daily capacity up to 3,000 Meters

 

3.Detailed Product Description

Company Type:

Manufacturer

Fin Tube Type:

H Fin Or HH Fin

Fins Shape:

Square Or Rectangular

Tube Material:

Carbon Steel, Stainless Steel, Alloy Steel... No Limit

Fin Material:

Carbon Steel, Stainless Steel, Alloy Steel... No Limit

Surface Painting:

Black Or Red

Tube Nos Of HH:

2 Pieces Of Plain Tubes

 

 

High Light:

boiler Fin Tube,Heat Exchanger Fin Tube

BS3059 PT 2 GR 360 , OD 2'' , HH Fins Marine Boiler Tube with 90 Degree Bends 


4.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

 

 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.
 
5.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.
 
6.Applications:

Economizers ,

Heat exchangers

Marine boilers


7.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 
2. Stainless Steel: 
TP409/410,TP304/304L,TP316/TP316L etc...

 

 

8.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.

 

9.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.


10.FAQ:

 

 Q

 A

01

How many days you need to install the equipment?                                  

30 days.

02

How many staff abroad you sent to install the equipment?

3 persons.

03

Can I delivery the goods from other supplier to your factory? Then load together?

Yes.

04

Can the equipment be installed under hot weather?

Yes.

05

Can Your products be installed under the cold weather?

Yes.

06

Can I only buy some spare parts from you?

Yes.

07

Will you participate in the exhibition?

Will do .

08

How long it takes you to provide the designing options for us?

1-2 working days .

09

What is your products standardization?

National standard .

10

How do you pack the equipment?

Wooden box .

11

Can you can design the equipment according to our size?

Yes.

12

How many years have your company made this kind of equipment?

13 years .

13

Which certificate do you have for your equipment?

ISO

14

Do you have any real project pictures of the equipment?

Yes.

15

How far is your factory from the airport?

50 minutes .

16

How long it will take from guangzhou to your factory?

2 hours by plane, 9-10 hours by high-speed rail.

17

Do you provide sample? Free or charge?

Samples can be provided, charges are required.

18 

What is your term of payment?

30% prepaid, paid in full before shipment.

19

What is your MOQ?

100 pcs .

20

Are you a trading company or a manufacturer?

Manufacturer.

21

How long is your delivery time?

40 days .

22

How many production lines in your factory?

7 high-frequency resistance welding spiral fin tube production lines, 

3 tube bending machines, 

18 rolling extruders,

12 aluminum fin winding and inlaying machines.





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