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Help CenterSA179 A192 Seamless Carbon Steel Double H Welding Fin Tube for Economizer
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SA179 A192 Seamless Carbon Steel Double H Welding Fin Tube for Economizer
We are professional A106/SA179/A192/A210 SA210 Gr. A1 Seamless Carbon Steel Square Rectangular Double H welding Fin Tubes pipe finned tubes pipe tubings fintubes for Economizer from china
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
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 two steel base tubes. We call it Double H (HH) fin type.
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:
Economizers ,
Heat exchangers
Marine boilers
Applications:
Economizers
Boilers
Heat exchangers
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:
1.We have more than 10,000 square meters workshop, including 6 H-FIN or HH-FIN TYPE finning machines, daily extrusion capacity up to 20 tons.
2.Qingdao Port is our nearest seaport and airport, less than 2 hours drive away from our workshop, convenient transportation.
3.The Square or Rectangular HH Fin Tubes are the preferred tube choice for high pressure boilers.
4.Fins can be manufactured by stamping process in almost any shape and size.
5.In-line fin and tube spacing allows for cleaning with excellent choice in sooting or fouling atmospheres.
6.Fin height and spacing are limited only by heat transfer considerations.
7.Fins and tubing can be similar or dissimilar metals.
Jay Hou
Alloy Seamless Tube: ASME SA-335 (P5, P9, P11, P22 P91) A213 -T22/T12 etc.
Hollow seamless bar :AISI 4130 ,ASTM 4140 etc.
Carbon steel pipe :ASTM A106 Gr.B
Stainless steel pipe : 304, 316, 316L & H grades etc.
Hollow section :S235JR, S275JR, S355JR, P265GH, P355N
Send Inquiry to This Supplier
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