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DELLOK HH Fin Bends​ DIN 17175 304 Stainless Steel Square Tube

Categories Stainless Steel Fin 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: H Fin Or HH Fin
Tube OD: 73 mm max.
Tube Length: 18 meters max.
Fin Thickness: 1.5mm ~3.5mm
Standard: DIN17175
Fin Pitch: 10mm Min.
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DELLOK HH Fin Bends​ DIN 17175 304 Stainless Steel Square Tube

H HH Fin Bends​ DIN 17175 304 Stainless Steel Square Tube


DIN 17175 ST35.8 / I SMLS Carbon Steel Square H Fin Tubing with 90 Degree Bends​

Description:

Standard

DIN17175

Material

St37.2,St35.4/8,St42,St45,St52,St52.4,

A53B, A106B, API5LB,X42,X46,X52,X60, X65

STP G38,STP G42,STPT42,STB42,STS42,STPT49,STS49

End protection

Plastic Caps

Outside coating

Black painting, anti-corrosion oil, galvanized or as per required by customers

Packing

wooden boxes, plastic film bags or according to different customers’ requests

Inspection and test

UT, ET, HT, RT, etc. and others according to the standard, or as the requests of the customers

Delivery condition

Annealed, Normalized, Normalized and tempered


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;


Manufacturing Process

Square or Rectangular H Fins are welded on a steel base tube. We call it 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:

  1. Economizers ,

  2. Heat exchangers

  3. Marine boilers

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...



Dimensions Data Sheet We're Supplying.

General Descriptions of H-fins

Popular Specifications we make

Tube OD(mm)

25mm to 73mm

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:

  1. We have more than 10,000 square meters workshop, including 6 H-FIN TYPE finning machines, daily extrusion capacity up to 20 tons.

  2. The Square or Rectangular Fins H-Finned Tubes are the preferred tube choice for high pressure boilers.

  3. Fins can be manufactured by stamping process in almost any shape and size.

  4. In-line fin and tube spacing allows for cleaning with excellent choice in sooting or fouling atmospheres.

  5. Fin height and spacing are limited only by heat transfer considerations.

  6. Fins and tubing can be similar or dissimilar metals.

Quality DELLOK HH Fin Bends​ DIN 17175 304 Stainless Steel Square Tube for sale
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