Product Data Sheet
NES 780 / DEF STAN 02-780 (70/30)
Copper nickel alloy with good corrosion resistance in high velocity sea-water. Typical applications - submarine pipework, fittings, flanges and valves.
National Specification
| ASTM | UNS | SEA AMS | British Standard | Werkstoff |
|---|---|---|---|---|
| C71500 | 2874 CN107 |
Material may also be released to Customer Specifications, subject to enquiry.
Technical Data
Nominal Composition by Percent
| C | Mn | Si | S | Ni | Cu | Fe | - | |
|---|---|---|---|---|---|---|---|---|
| Min | - | 0.5 | - | - | 30.0 | 66.5 | 0.6 | % |
| Max | - | 1.5 | - | - | 32.0 | - | 1.0 | % |
Typical Mechanical Properties
| Annealed Condition | MPa | % | |
|---|---|---|---|
| Tensile Strength, min | 320 | - | - |
| Yield Strength (0.2% offset), min |
115 | - | - |
| Elongation on 4D, min | - | - | 32 |
| Reduction of Area | - | - | - |
| Hardness | - | - | - |