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C68700 Copper Alloy U-Tube For Chillers HVAC Systems Seamless

C68700 Copper Alloy U-Tube For Chillers HVAC Systems Seamless

Brand Name YUHONG
Model Number ASTM B111/ASME SB111 C68700
Certification ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Place of Origin China
Minimum Order Quantity 100KGS
Price Negotiable
Payment Terms T/T, L/C AT SIGHT
Supply Ability 100 tons per month
Delivery Time 15-30 days
Packaging Details Ply-wooden Case /Iron Case/ Bundle with plastic Cap
Material C68700 Aluminum brass
Application Superheater, Heat-Exchanger and Condenser...
Technique Cold Drawn
Standard ASTM/ASME
Features Corrosion resistance/Thermal conductivity/High strength
Shape U-Shape
Detailed Product Description

C68700 Copper Alloy U-Tube For Chillers HVAC Systems Seamless

 

 

Overview

 

C68700 is a type of brass alloy that is commonly used in the manufacturing of tubes. A C68700 seamless tube refers to a tube that is made from this specific alloy without any welded seams along its length. Seamless tubes are manufactured by piercing a solid billet of metal and then drawing it through a series of dies to achieve the desired dimensions and shape.

C68700 seamless tubes are known for their uniformity and consistency in wall thickness, as well as their high strength and corrosion resistance properties. These tubes are commonly used in various applications such as heat exchangers, condensers, and plumbing systems where a smooth inner surface and leak-proof characteristics are essential. The seamless construction of these tubes also helps to prevent weak points that could be prone to failure under high-pressure or high-temperature conditions.

 

 

Features of C68700

 

C68700 is a type of brass alloy that is known for its excellent corrosion resistance and thermal conductivity. Some key features of C68700 brass alloy include:
  • 1. Corrosion resistance: C68700 has good resistance to corrosion in various environments, including seawater, making it suitable for marine applications.
  • 2. Thermal conductivity: C68700 has high thermal conductivity, which makes it an excellent choice for heat exchangers and other applications where efficient heat transfer is required.
  • 3. High strength: C68700 has good strength and durability, making it suitable for applications that require a strong material.
  • 4. Easy to work with: C68700 is easy to shape, machine, and weld, making it versatile and suitable for a wide range of applications.
  • 5. Aesthetically pleasing: C68700 brass alloy has a visually appealing golden color that can enhance the aesthetic appeal of products made from this material.
Overall, C68700 brass alloy offers a combination of excellent corrosion resistance, thermal conductivity, strength, and workability, making it a popular choice for various industrial and commercial applications.

 

 

Chemical Composition

 

C68700Elements
Cu(1,2)PbZnFeAlAs

 

(1) Cu value includes Ag.
(2) Cu + Sum of Named Elements 99.5% min.

 

Min (%)76.0   1.80.02
Max (%)79.00.07Rem0.062.50.06

 

 

Mechanical Properties

 

FormTemperTemper CodeTensile Strength
(ksi)
YS-0.5% Ext
(ksi)
Elongation
(%)
Rockwell F scale

 

*Measured at room temperature, 68°F (20°C).

 

TubeNominal Grain Size 0.025 mmOS02560 Typ27 Typ55 Typ77 Typ

 

 

Physical Properties

 

Melting Point - Liquidus°F1780
Melting Point - Solidus°F1710
Densitylb/cu in. at 68°F0.301
Specific Gravity8.33
Electrical Conductivity% IACS at 68°F23
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F58
Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F)10.3
Specific Heat CapacityBtu/ lb /°F at 68°F0.09

Modulus of Elasticity in Tensionksi

16000

Modulus of Rigidityksi

6000

 

 

Fabrication Properties

 

TechniqueSuitability
SolderingFair
BrazingGood
Oxyacetylene WeldingFair
Gas Shielded Arc WeldingFair
Coated Metal Arc WeldingNot Recommended
Spot WeldGood
Seam WeldFair
Butt WeldGood
Capacity for Being Cold WorkedExcellent
Capacity for Being Hot FormedFair
Machinability Rating30

 

 

Applications:

  • Condenser and heat-exchangers.
  • Water Evaporators.
  • Boiler Blowdown Heat Exchangers
  • Air coolers.
  • Gland Steam Condensers.
  • Steam Ejector.
  • Turbine Oil Coolers.
  • Fuel Oil Heaters.
  • Compressed Air Inter and After Coolers.
  • Ferrules
  • Oil Well Pump Liner
  • Distiller

 

 

Product Tags: HVAC Systems Copper Alloy U-Tube   Seamless Copper Alloy U-Tube   Chillers Copper Alloy U-Tube  
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