Copper Nickel 70/30 Flanges Specifications
| Grade | CU-NI-70/30 (UNS No C71500) |
| Werkstoff Nr | 2.0882 |
| Standard | ASTM, ASME Flanges, ANSI Flanges, DIN Flanges, EN Flanges, BS Flanges etc. |
| Dimension Std | ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings |
| Specification | ASTM / ASME SB 61 / 62 / 151 / 152 |
| Size | ½” NB – 24” NB |
| Class | 150#, 300#, 600#, 900#, 1500#, 2500#, etc. |
Chemical Compositions of Copper Nickel 70/30 Flanges
| Grade | Element |
|---|---|
| Copper, Cu | 70.0 |
| Nickel, Ni | 30.0 |
Mechanical Properties of Copper Nickel 70/30 Flanges
| 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 Flanges
| Properties | Metric | Imperial |
|---|---|---|
| Density | 8.94 g/cm3 | 0.323 lb/in3 |
| Melting point | 2140°F | 1171°C |
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