This is a nickel-chromium alloy, that can be hardened by precipitation, with the addition of Aluminium and Titanium, used mainly for high-temperature applications.
The technical data refer to the raw, cold-drawn wire supplied for springs (spring temper) subjected to artificial ageing after forming, by heat treatment at 650 ° C for 4 hours.
Chemical composition, mass%:
|Tensile strength||Working temperature|
|8.28 Kg/dm3||218 KN/mm2||75.8 KN/mm2||1350-1750 N/mm2||-200 +370 °C|