ASTM B111 C70600 O61 LOW FIN TUBE COPPER NICKEL ALLOY CUNI 90/10
Fin efficiency is defined as the ratio of actual heat flow of the fin to that which would be obtained with a fin of constant temperature uniformly equal to the base surface temperature, that is, one with infinite thermal conductivity.
Copper as a metal has highly anti-corrosive properties compared to aluminium. During the cooling process, pipes comes in contact with air which causes oxidation within these pipes. Copper can better handle oxidation and corrosion for longer periods ultimately gives air conditioners a longer lifespan
According to user needs, we can produce all kinds of steel strip winding finned tube and steel aluminum composite finned tube. As the heat transfer element finned tube works long-term in high temperature and flue gas condition, such as finned tube in the boiler heat exchanger which use conditions are as high temperature and high pressure and corrosive atmosphere, should have a high performance metrics and they are as follows:Anti-corrosion ,Anti-wear,lower contact resistance ,Higher Stability,Anti-dust stratification.
This intergral low finned tubes are widely used as heat transfer tubes because of their large external surface area and high heat transfer performance compared with a plain tube. This enhanced surface fin tubes allow our customers to either reduce the size of the heat exchanger or increase its perfornance. The low finned tubes we manufacture are designed to meet the most efficient and durable thermal performance for the most challenging situations and long lasting service life.
| Temper | Tensile Str. | Yield Str. | Elong. | Rockwell |
| B | C | F | 30T |
| H55 | 414MPa (60ksi) | 393MPa (57ksi) | 10% | 72 | - | 100 | 70 |
| OS025 | 303MPa (44ksi) | 110MPa (16ksi) | 42% | 15 | - | 65 | 26 |
Chemical composition of UNS C70600
| Elements | Content (%) |
| Nickel, Ni | 9.0-11.0 |
| Iron, Fe | 1.0-1.8 |
| Zinc, Zn | 1.0 |
| Manganese, Mn | 1.0 |
| Lead, Pb | 0.05 |
| Copper, Cu | Remainder |
Equivalent materials to UNS C70600
| ASME SB111 | ASME SB171 | ASME SB359 | ASME SB466 | ASME SB467 |
| ASME SB395 | ASME SB543 | ASTM B111 | ASTM B151 | ASTM B122 |
| ASTM B171 | ASTM B359 | ASTM B395 | ASTM B432 | ASTM B466 |
| ASTM B469 | ASTM B543 | ASTM B608 | DIN 2.0872 | MIL C-15726 |
| MIL T-15005 | MIL T-16420 | MIL T-22214 | SAE J461 | SAE J463 |
Applications:
- Heating systems
- Ventilation systems
- Refrigeration and climate control systems
- Mechanical engineering
- Automotive manufacturing
- Chemicals and pertrochemical and power plant technology
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ASTM B111 C70600 O61 Low Fin Tube Copper Nickel Alloy For Heat Exchanger NDT Available Images
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