DIN17660 CuZn20Al2 F39 Seamless Copper Alloy Tube For Heat Exchanger
Brand Name:YUHONG
Certification:ABS, BV, DNV-GL , PED, TUV, LR, KR, NK, CCS
Model Number:DIN17660 CuZn20Al2 F39
Minimum Order Quantity:1000KGS
Delivery Time:Depends on quantity
Payment Terms:T/T, L/C
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Ningbo Zhejiang China
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20TH FLOOR,NO.1 NEW WORLD BUILDING ,NO.1018 MINAN ROAD,YINZHOU DISTRICT, NINGBO CITY, ZHEJIANG PROVINCE, CHINA
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DIN17660 CuZn20Al2 F39 Seamless Copper Alloy Tube For Heat Exchanger
YUHONG is one of the biggest copper alloy tubes manufacturer, supplier and exporter in China. We are supplying copper alloy tubes to various industries around the world.
Our copper alloy tube is widely used in the surface of condenser, heat exchanger, and evaporators. They offer high strength, excellent corrosion resistance, and good creep resistance at elevated temperatures.
We are glad to supply your needs whatever the sizes, shapes, dimensions you want for copper alloy tubes. YUHONG will help you with all your tubes necessities. Contact one of our experts today to find out how we can meet your tubing needs.
DIN17660 CuZn20Al2 F39 Chemical Composition
| Chemical Composition | |
| Elements | Composition, % |
| Cu, incl. Ag | 76.0-79.0 |
| Sn | – |
| Al | 1.8-2.5 |
| Ni, incl. Co | – |
| Pb | 0.07 max |
| Fe | 0.06 max |
| Zn | Balance |
| Mn | 0.02-0.06 |
Equivalent Material
| Material Designation | Corresponding Material Symbol | ||||
| GB/T8890 | ASTM B111 | BS2871 | JIS H3300 | DIN1785 | |
| Aluminums Brass | HAL77-2 | C68700 | CZ110 | C6870 | CuZn20Al2 |
Packing
Tensile Requirements
| Grade | Temper Designation | Tensile Strength | Yield Strength | |
| Standard | Former | Min. ksi | Min. ksi | |
| CuZn20Al2 | O61 | Annealed | 50 | 18 |
DIN17660 CuZn20Al2 F39 Mechanical Properties
| Grade | Temper Designation | Annealing temperature, °C | Tensile Strength, min | Yield Strength, min | HV | |||
| Code | Name | ksi | Mpa | ksi | Mpa | |||
| CuZn20Al2 | O61 | Annealed | above 650 | 50 | 345 | 18 | 125 | 150 |
Nondestructive Testing
Each tube shall be subjected to the eddy-current test in Eddy-Current Test.
Tubes may be tested in the final drawn, annealed, or heat-treated temper or in the drawn temper before the final anneal or heat treatment unless otherwise agreed upon by the supplier and the purchaser. The purchaser may specify either of the tests in Hydrostatic Test or Pneumatic Test as an alternative to the eddy-current test.
Eddy-Current Test—Each tube shall be passed through an eddy-current testing unit adjusted to provide information on the suitability of the tube for the intended application. Testing shall follow the procedures of Practice E243.
Hydrostatic Test—Each tube shall stand, without showing evidence of leakage, an internal hydrostatic pressure sufficient to subject the material to a fiber stress of 7000 psi [48 MPa] as determined by the following equation for thin hollow cylinders under tension. The tube need not be tested at a hydrostatic pressure of over 1000 psi [7.0 MPa] unless so specified.
P = hydrostatic pressure, psig [MPa];
t = thickness of tube wall, in. [mm];
D = outside diameter of the tube, in. [mm]; and
S = allowable stress of the material, psi [MPa].
Applications
-Heat exchanger and evaporators
-Distiller tubing
-Condenser
-Gland Steam Condensers
-Steam Ejector
-Turbine Oil Coolers
DIN17660 CuZn20Al2 F39 Seamless Copper Alloy Tube For Heat Exchanger
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