A Nickel-Iron-Cobalt, controlled expansion alloy containing 29% Nickel. Its coefficient of expansion (which decreases with rising temperature to the inflection point), matches the expansion rate of borosilicate glasses and alumina ceramics.
Click to find out more about each profile type.
.001” (0.025 mm) Diameter
.827” (21 mm) Diameter
Available in coils, spools and straight bars.
.0015" (0.3mm) Diameter
.787" (20mm) Diameter
Available in coils, spools and straight bars.
.0157" (0.4mm) Diameter
.394" (10mm) Diameter
Available in coils, spools and straight bars.
Controlled coefficient of expansion (which decreases with rising temperature to the inflection point). Matches the expansion rate of borosilicate glasses and alumina ceramics.
Glass to metal seals in applications requiring high reliability or resistance to thermal shock, ie. high power transmitting valves
Specifications
Designations
Condition | Approx. tensile strength | Approx. operating temperature | ||
N/mm² | ksi | °C | °F | |
Annealed | 450 – 550 | 65 – 80 | up to +400 | up to +750 |
Hard Drawn | 700 – 900 | 102 – 131 | up to +400 | up to +750 |
® Trade name of Special Metals Group of Companies