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ASTM B111 UNS C68700 Aluminum Brass Tube CuZn20Al2 Heat Exchanger Tube

ASTM B111 UNS C68700 Aluminum Brass Tube CuZn20Al2 Heat Exchanger Tube

  • ASTM B111 UNS C68700 Aluminum Brass Tube CuZn20Al2 Heat Exchanger Tube
  • ASTM B111 UNS C68700 Aluminum Brass Tube CuZn20Al2 Heat Exchanger Tube
  • ASTM B111 UNS C68700 Aluminum Brass Tube CuZn20Al2 Heat Exchanger Tube
  • ASTM B111 UNS C68700 Aluminum Brass Tube CuZn20Al2 Heat Exchanger Tube
ASTM B111 UNS C68700 Aluminum Brass Tube CuZn20Al2 Heat Exchanger Tube
Product Details:
Place of Origin: CHINA
Brand Name: YUHONG
Certification: ABS, BV, DNV-GL , PED, TUV, LR, KR, NK, CCS.
Model Number: ASTM B111 UNS C68700 Aluminum Brass Tube
Payment & Shipping Terms:
Minimum Order Quantity: 500kgs
Packaging Details: Ply-wooden Case /Iron Case/ Bundle with plastic Cap
Delivery Time: 7days
Payment Terms: L/C, T/T
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Detailed Product Description
Product Name: Copper Alloy Tube Dimension: ASTM, AISI, ASME, JIS, DIN, EN
Standard: ASTM B111, ASME SB111 Material: C68700, C70600, C71500, C44300, C71640, C12200
OD: 1/4" , 3/8", 1/2", 5/8", 3/4", 1", 1.1/4", Etc. WT: BWG10,12,14,16,18,20,22,25
Length: Single Random, Double Random & Cut Length End: Plain End, Beveled End
Application: Condenser, Heat Exchanger, HVAC System, Etc.
Highlight:

Heat Exchanger Aluminum Brass Tube

,

ASTM B111 Aluminum Brass Tube

,

CuZn20Al2 Aluminum Brass Tube

ASTM B111 UNS C68700 Aluminum Brass Tube Seamless Heat Exchanger Tube

 

 

C68700 is indeed classified as a type of brass, specifically an aluminum brass alloy. This alloy typically contains copper, aluminum, and other elements, including arsenic, which contributes to its properties. There are various common copper alloys such as C12000, C44300, C68700, C70600, C71500, C71640. People choose material determine whether the alloy will be exposed to corrosive environments (like seawater, chemicals, or humidity). Some alloys are better suited for marine or chemical applications. Evaluate the operating temperature range, some alloys perform better at higher or lower temperatures.

 

 

The Properties of ASTM B111 C68700 copper alloy tube 

  1. Corrosion Resistance: C68700 is known for its excellent resistance to corrosion in freshwater and moderately corrosive environments, making it suitable for various applications. The presence of aluminum and arsenic enhances its durability.

  2. Strength and Durability: The alloy offers good mechanical strength and can withstand wear and tear, making it appropriate for demanding applications. 

  3. Ductility: C68700 is relatively ductile, allowing for easy shaping and forming, which is crucial in manufacturing processes. 

  4. Biofouling Resistance: Like other copper alloys, C68700 is less likely to support the growth of marine organisms, which is beneficial for marine applications.

 
 
COUNTRY STANDARD NAME
ASTM ASTM B111 Copper and Copper-Alloy Seamless Condenser Tubes and Ferrule Stock
GB/T GB/T8890 Seamless Copper Alloy Heat Exchanger Tubes
BS BS 2871 CZ110 Copper and Copper Alloys Tubes
JIS JIS H3300 Copper and Copper Alloy-Seamless Pipes and Tubes
DIN DIN1785 Wrought Copper and Copper Alloy Tubes for Condensers and Heat Exchangers

 

 

ASTM B111 C68700 Copper Alloy Mechanical Properties

Copper or Copper Alloy  Temper Designation Annealing temperature, °C Tensile Strength, minYield Strength, min Yield Strength, min HV
UNS No. Code Surface Ksi Mpa Ksi Mpa
C68700 O61 Annealed above 650 50 345 18 125 150

 

 

Chemical Compositions%

 

UNS No.

 

CopperA

 

Tin

 

Al

Nickel, incl Cobalt

 

Lead, max

 

Iron

 

Zinc

 

Mn.

 

Arsenic

 

Antimony

 

Phosphorus

 

Chro
mium

Others
C10200 99.95 min - - - - - - - - - - - -
C12000 99.90 min - - - - - - - - - 0.004-0.012 - -
C12200 99.9 min - - - - - - - - - 0.015-0.040 - -
C14200 99.40 min - - - - - - - 0.15-0.50 - 0.015-0.040 - -
C19200 98.7 min - - - - 0.8-1.2 - - 0.15-0.50 - 0.01-0.04 - -
C23000 84.0-86.0 - - - 0.05 0.05 max remalnder - - - - - -
C28000 59.0-63.0 - - - 0.30 0.07 max remainder - - - - - -
C44300 70.0-73.0 0.9-1.2 - - 0.07 0.06 max remainder - 0.02-0.06 - - - -
C44400 70.0-73.0 0.9-1.2 - - 0.07 0.06 max remainder - - 0.02-0.10 - - -
C44500 70.0-73.0 0.9-1.2 - - 0.07 0.06 max remainder - - - 0.02-0.10 - -
C60800 remainder - 5.0-6.5 - 0.10 0.10 max - - 0.02-0.35 - - - -
C68700 76.0-79.0 - 1.8-2.5 - 0.07 0.06 max remainder - 0.02-0.10 - - - -
C70400 remainder -   4.8-6.2 0.05 1.3-1.7 1.0max 0.30-0.8 - - - - -
C70600 remainder -   9.0-11.0 0.05B 1.0-1.8 1.0maxB 1.0max - - B - B
C71000 remainder -   19.0-23.0 0.05B 0.50-1.0 1.0maxB 1.0max - - B - B
C71500 remainder -   29.0-33.0 0.05B 0.40-1.0 1.0maxB 1.0max - - B - B
C71640 remainder -   29.0-32.0 0.05B 1.7-2.3 1.0maxB 1.5-2.5 - - B - B
C72200 remainder -   15.0-18.0 0.05B 0.50-1.0 1.0maxB 1.0max - - B 0.30
-0.70
B
 
 
 

Application

  1. Heat Exchangers

  2. Marine Applications: Used in marine hardware, fittings, and fixtures due to its corrosion resistance and ability to withstand harsh conditions.

  3. Plumbing and HVAC: C68700 is often utilized in plumbing fittings, valves, and HVAC components, where strength and corrosion resistance are needed.

  4. Industrial Equipment: Employed in equipment and machinery where durability and resistance to chemical exposure are essential.

  5. Architectural Features: Common in architectural applications where both aesthetic appeal and resistance to environmental degradation are desired.

  6. Electrical Applications: While not as conductive as pure copper, its electrical conductivity is sufficient for certain electrical applications.

 

 

ASTM B111 UNS C68700 Aluminum Brass Tube CuZn20Al2 Heat Exchanger Tube 0

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