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ASTM B111 C71500 Copper Alloy Steel Seamless Tube Offshore Oil Recovery Platforms
What is C71500 Copper Alloy Steel Tube?
C71500 is an alloy of copper and nickel, due to Ni unlimited solid solution in Cu, so C71500 has a single α-phase organization. C71500 alloy not only has good overall mechanical properties, but also due to the thermal conductivity close to carbon steel and become easy to weld, no preheating before welding, no need for heat treatment after welding.
C71500 for 70Cu-30Ni alloy, the main component for Cu, Ni, with a small amount of Mn and Fe, can better prevent corrosion of seawater, limit the impurity elements Zn, C, Pb, S, P and so on can improve the rate of thermoelectricity and weldability.
It has good corrosion resistance, high-temperature pressure resistance and thermal conductivity.C71500 copper alloy tube is suitable for a wide range of applications, including marine engineering, refrigeration and air conditioning systems, the chemical industry, and the oil and gas industry. It can withstand high temperatures, pressures and corrosion in harsh environments and ensure the e operation of equipment and piping.C71500 copper alloy tubing is a reliable material choice for a wide range of industrial applications.
ASTM B111 C71500 Chemical Composition
| Element | Content (%) |
| Copper, Cu | 70.0 |
| Nickel, Ni | 30.0 |
ASTM B111 C71500 Mechanical Properties
| Properties | Metric | Imperial |
| Tensile strength, ultimate | 372-517 MPa | 54000-75000 psi |
| Tensile strength, yield (depending on temper) | 88.0-483 MPa | 12800-70100 psi |
| Elongation at break (in 381 mm) | 45.0% | 45.0% |
| Charpy impact | 107 J | 78.9 ft-lb |
| Machinability (UNS C36000 (free-cutting brass) = 100%) | 20% | 20% |
| Shear modulus | 57.0 GPa | 8270 ksi |
| Poisson's ratio | 0.34 | 0.34 |
| Elastic modulus | 150 GPa | 21800 ksi |
Physical properties of ASTM B111 C71500
| Properties | Metric | Imperial |
| Density | 8.94 g/cm3 | 0.323 lb/in3 |
| Melting point | 2140°F | 1171°C |
Characteristic of ASTM B111 C71500
Excellent insulation performance
Elegant design
Super strength
Corrosion resistant
Durability
Application:
