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ASTM B111 UNS C70600 O61 Copper Nickel Alloy Low Fin Tube For Heat Exchangers

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ASTM B111 UNS C70600 O61 Copper Nickel Alloy Low Fin Tube For Heat Exchangers

Brand Name : YUHONG

Model Number : ASTM B111 UNS C70600 O61

Certification : ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015

Place of Origin : China

MOQ : 100 KGS

Price : Negotiable

Payment Terms : T/T, L/C

Supply Ability : According to Client Requirements

Delivery Time : 15-60 Days

Packaging Details : According to Client Requirements/ Ply-wooden Case/ Iron Case/ Bundle with plastic Cap

Tube Standard : ASTM B111 / ASME SB111

Material : UNS C70600 O61

Name : Copper Nickel Alloy Fin Tube

Type : Low FinTube

Shape : Round

Tube material : Carbon Steel,Stainless Steel,Copper Etc,Alloy Steel

Fin height : 0mm-16mm

Tube length : 18 meters max

Fin pitch : 2-14mm

Applications : Heater Parts,Refrigeration Parts,heat exchanger,Cooler,Fluid Cooling

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ASTM B111 UNS C70600 O61 Copper Nickel Alloy Low Fin Tube For Heat Exchangers

Our YUHONG GROUP can supply Copper Nickel 90/10 SB111 C70600-061 Low Finned Copper Tube, Condenser Low Fin Tube. Our major material grades include UNS C70600 / C71500 / C12200 / C12100 / C68700 / C44300 etc. UNS C70600 equals to BFe10-1-1; UNS C71500 equals to BFe30-1-1


ASTM B111: Copper and Copper-Alloy Seamless Condenser Tubes and Ferrule Stock


Quick Detail:

General Low Fin Tubes Production Capacity

Specifications of Low Fin Tubes('N' Fins)

Finning Facility: 10 finning machines;
Daily capacity up to 3000 meters;

Tube OD: 12.7 mm~25.4mm
Tube Length: 18 meters max.
Fin Height: 1.2 mm ~2.77mm
Fin Thickness: appr. 0.3mm
Fin Pitch: 30 FPI /28 FPI/ 26 FPI/ 36 FPI /43 FPI


Description:
Manufacturing process: The fins are rolled out of outer wall of the plain tubes by a pass roller. Tubes and fins are in same piece tube. We call it [N" fin type.

Delivery of Low Fin Tubes:
We can provide the integral low fin tubes with un-finned section gaps( 5mm Min.) in the middle of core tube OR bent with designed Bend Radius.

Quality Test:
The integral low fin tube quality is assured by hydrostatic or pneumatic tests, eddy current tests & MARCO tests in order to verify design specifications.


Acceptance Ceritia:
WOLVERINE / HPT / GEWA-K & GEWA-KS

Delivery Condition:
Tube ends are square cut, free burrs, internally dried and air blown clean, externally coated with varnish.
The desiccants are put into the each package for continental transportation.


Applications:
The Integral Low Finned Tubes find the preference in the following industrial sectors:

  • Heating systems
  • Ventilation systems
  • Refrigeration and climate control systems
  • Mechanical engineering
  • Automotive manufacturing
  • Chemicals and pertrochemical and power plant technology

Specifications:
Tube and fins consist of same tube and materials as carbon steel , low-alloy steels , stainless steel , brass , copper , cooper-nickel alloys , aluminum bronze , nickel alloys , titanium etc...

Plain tube (mm) Finned section dimensions (mm) Ratio De
D×t Tp dd dr di η mm
19×2 0.8 18.8 17 134 2.8 17.9
19×2 1 18.8 16.8 13.4 2.5 17.8
19×2 1.25 18.8 16.6 13 2.2 17.8
19×2 1.5 18.8 16.6 13 2 17.7
19×2 2 18.8 16.4 13 1.7 17.5
25×2.5 0.8 24.8 23 18.8 2.8 23.9
25×2.5 1 24.8 22.6 18.8 2.75 23.7
25×2.5 1.25 24.8 22.3 18 2.5 23.6
25×2.5 1.5 24.8 22.3 18 2.2 23.5
25×2.5 2 24.8 22 18 1.8 23.4
25×2.5 2.5 24.8 22 18 1.6 23.3

D------Outside diameter of plain end section
Dof----Diameter of top fins
Dr-----Root diameter of finned section
Di-----Inside diameter of finned section
T------Wall thickness of plain end section
Tp-----Fin pitch
De----Equivalent diameter of finned tube
L------Plain tube end length

Please email us for more information.


Competitive Advantage:

  • The Integral Low Fins are rolled out of the tube surface to increase the tubes external surface area, without affecting any others dimension.
  • Low Fins are very useful for tight condensers and exhibits high efficiency of heat transfer.
  • Economical solutions of heat exchange problems of media with different heat conduction abilities or different current conditions.
  • High chemical-, thermal- and mechanical resistance, suitable for rough operation conditions.


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