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Copper Nickel 70/30 Round Bars
Copper Nickel 70/30 Round Bars Specifications:
| Standard | ASTM B 111 |
|---|---|
| Grade | CU-NI-70/30 (UNS No C71500) |
| Range | 5 mm to 500 mm Dia |
| Length | 100 mm to 6000 mm Long |
| Form | Round, Square, Hex (A/F), Rectangle, Wire (Coil Form), Wire-mesh, Billet, Ingot, Forging Etc. |
| Application | Sea water pipework, Offshore fire water systems, Heat exchangers and condensers, Sheathing of legs and risers on offshore platforms and boat hulls, Hydraulic lines, Fish cages for aquaculture, Desalination units. |
Chemical Compositions of Copper Nickel 70/30 Round Bars
| Grade | Element |
|---|---|
| Copper, Cu | 70.0 |
| Nickel, Ni | 30.0 |
Mechanical Properties of Copper Nickel 70/30 Round Bar
| 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 Copper Nickel 70/30 Round Bar
| Properties | Metric | Imperial |
|---|---|---|
| Density | 8.94 g/cm3 | 0.323 lb/in3 |
| Melting point | 2140°F | 1171°C |