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ASTM B111 UNS C68700 Aluminum Brass Tube CuZn20Al2 Heat Exchanger Tube

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ASTM B111 UNS C68700 Aluminum Brass Tube CuZn20Al2 Heat Exchanger Tube

Brand Name : YUHONG

Model Number : ASTM B111 UNS C68700 Aluminum Brass Tube

Certification : ABS, BV, DNV-GL , PED, TUV, LR, KR, NK, CCS.

Place of Origin : CHINA

MOQ : 500kgs

Payment Terms : L/C, T/T

Delivery Time : 7days

Packaging Details : Ply-wooden Case /Iron Case/ Bundle with plastic Cap

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.

High Light : ASTM B111 UNS C68700 Aluminum Brass Tube, Seamless Heat Exchanger Tube

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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


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CuZn20Al2 Aluminum Brass Tube

      
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