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C68700 Copper Alloy U-Tube For Chillers HVAC Systems Seamless

C68700 Copper Alloy U-Tube For Chillers HVAC Systems Seamless

  • C68700 Copper Alloy U-Tube For Chillers HVAC Systems Seamless
  • C68700 Copper Alloy U-Tube For Chillers HVAC Systems Seamless
  • C68700 Copper Alloy U-Tube For Chillers HVAC Systems Seamless
  • C68700 Copper Alloy U-Tube For Chillers HVAC Systems Seamless
C68700 Copper Alloy U-Tube For Chillers HVAC Systems Seamless
Product Details:
Place of Origin: China
Brand Name: YUHONG
Certification: ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Model Number: ASTM B111/ASME SB111 C68700
Payment & Shipping Terms:
Minimum Order Quantity: 100KGS
Price: Negotiable
Packaging Details: Ply-wooden Case /Iron Case/ Bundle with plastic Cap
Delivery Time: 15-30 days
Payment Terms: T/T, L/C AT SIGHT
Supply Ability: 100 tons per month
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Detailed Product Description
Features: Corrosion Resistance/Thermal Conductivity/High Strength Material: C68700 Aluminum Brass
Application: Superheater, Heat-Exchanger And Condenser... Technique: Cold Drawn
Standard: ASTM/ASME Shape: U-Shape
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HVAC Systems Copper Alloy U-Tube

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Seamless Copper Alloy U-Tube

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Chillers Copper Alloy U-Tube

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

 

C68700 Elements
Cu(1,2) Pb Zn Fe Al As

 

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

 

Min (%) 76.0       1.8 0.02
Max (%) 79.0 0.07 Rem 0.06 2.5 0.06

 

 

Mechanical Properties

 

Form Temper Temper Code Tensile Strength
(ksi)
YS-0.5% Ext
(ksi)
Elongation
(%)
Rockwell F scale

 

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

 

Tube Nominal Grain Size 0.025 mm OS025 60 Typ 27 Typ 55 Typ 77 Typ

 

 

Physical Properties

 

Melting Point - Liquidus°F 1780
Melting Point - Solidus°F 1710
Densitylb/cu in. at 68°F 0.301
Specific Gravity 8.33
Electrical Conductivity% IACS at 68°F 23
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 58
Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) 10.3
Specific Heat CapacityBtu/ lb /°F at 68°F 0.09

Modulus of Elasticity in Tensionksi

16000

Modulus of Rigidityksi

6000

 

 

Fabrication Properties

 

Technique Suitability
Soldering Fair
Brazing Good
Oxyacetylene Welding Fair
Gas Shielded Arc Welding Fair
Coated Metal Arc Welding Not Recommended
Spot Weld Good
Seam Weld Fair
Butt Weld Good
Capacity for Being Cold Worked Excellent
Capacity for Being Hot Formed Fair
Machinability Rating 30

 

 

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

 

 

C68700 Copper Alloy U-Tube For Chillers HVAC Systems Seamless 0

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