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DIN 17660 CuZn20Al2 Copper Alloy Seamless Tube Condenser Heat Exchanger

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DIN 17660 CuZn20Al2 Copper Alloy Seamless Tube Condenser Heat Exchanger

Brand Name : YUHONG

Model Number : DIN 17660 CuZn20Al2

Certification : ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008

Place of Origin : CHINA

MOQ : 100KGS

Price : Negotiable

Payment Terms : L/C, T/T

Supply Ability : 1000Tons/Month

Delivery Time : 7DAYS

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

Product Name : Copper Alloy Seamless Tubes

Standard : DIN 17660

Material : Copper Alloy CuZn20Al2

OD : 2mm To 350mm

WT : 0.3mm To 50mm

Length : As Required

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DIN 17660 CuZn20Al2 Copper Alloy Seamless Tube Condenser Heat Exchanger

CuZn20 ordinary brass has high strength, good plasticity, and high corrosion resistance, and is used for thin-walled pipes, corrugated pipes, paper mesh, and building materials. Tensile strength σ B (MPa): ≥ 265, Hot working temperature 820~870 ℃; Annealing temperature: 600-700 ℃; The low-temperature annealing temperature for relieving internal stress is 260 ℃.

DIN 17660 CuZn20Al2 Copper Alloy Seamless Tube

Al(%) Mn(%) Pb(%) Fe(%) Ni(%) Zn(%) Cu(%)
1.8-2.3 ≦0.1 ≦0.07 ≦0.07 ≦0.1 ≧15 76.0-79.0

DIN 17660 Other Grades Or Similar Grades

Grade Standard Area Content
CuZn 44 Pb 2 DIN 17660 Germany Wrought copper alloys; copper-zinc alloys (brass); (special brass); chemical composition
CuZn35Ni2 DIN 17660 Germany Wrought copper alloys; copper-zinc alloys (brass); (special brass); chemical composition
CuZn 40 Al 2 DIN 17660 Germany Wrought copper alloys; copper-zinc alloys (brass); (special brass); chemical composition
2.0360 DIN 17660 Germany Wrought copper alloys; copper-zinc alloys (brass); (special brass); chemical composition
CuZn 15 DIN 17660 Germany Wrought copper alloys; copper-zinc alloys (brass); (special brass); chemical composition
2.0240 DIN 17660 Germany Wrought copper alloys; copper-zinc alloys (brass); (special brass); chemical composition

Standard Grade ASTM B 111
C68700		 EN 12451
CuZn20Al2As		 DIN
17660/1785
CuZn20Al2		 BS 2871
CZ 110		 JIS H3300
C6870		 GB/T8890
HAL77-2
Cu 76.0-79.0 76.0-79.0 76.0-79.0 76.0-78.0 76.0-79.0 76-79
Al 1.8-2.5 1.8-2.3 1.8-2.3 1.8-2.3 1.8-2.5 1.8-2.5
Fe 0.06 max 0.07 max 0.07 max 0.06 max 0.06 max 0.06 max
Pb 0.07 max 0.05 max 0.07 max 0.07 max 0.07 max 0.03 max
Zn Bal. Bal. Bal. Bal. Bal. Bal.
As 0.02-0.10 0.02-0.06 0.02-0.035 0.02-0.06 0.02-0.06 0.03-0.06
P - 0.01 max 0.01 max - - 0.02 max
Mn - 0.1 max 0.1 max - - -
Total impurities - 0.3 max 0.1 max 0.3 max - 0.3 max

Condition

 O61 R390 F39 M O M
- R340 F34 TA - Y2
- - O - -
Yield Strength
N/mm2		 125 min 150 min 150-230 - - -
- 120 min 120-180 - - -
- - - - - -
Tensile Strength
N/mm2		 345 min. 390 min - - 373 min 370 min
- 340 min - - - 350 min
- - - - - -
Elongation (%) - 45 min 45 min - 40 min 40 min
- 55 min 55 min - - 50 min
- - - - - -
Hardness Hv5 - - - 150 min - -
- - - 85-110 - -
- - - 75 max - -

Typical use

Most used copper alloy for heat exchanger tubes application.
Represents the best option for any heat exchanger which is involved with saline water. The addition of arsenic has solved the problem of dezincification.
Melting Point: 935°C • Hot Working Properties: OK
Density (20°C): 8,33 g/cm3 • Cold Working Properties: Very Good


DIN 17660 CuZn20Al2 Copper Alloy Seamless Tube Condenser Heat Exchanger


DIN 17660 CuZn20Al2 Copper Alloy Seamless Tube Condenser Heat Exchanger Manufactures

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