Rodar® Strip And Foil
Iron-Nickel-Cobalt alloy, thermal expansion coefficient, strip and foil material
Description
Rodar® is an Iron-Nickel-Cobalt alloy with an unique linear thermal expansion coefficient. It is also stable to cryogenic temperatures. This combination of characteristics has prompted its application in electrical package sealing of glass/metal and ceramic/metal. Rodar® can be formed and deep drawn from the annealed temper. A 1/8 hard temper is optimum for heavy piercing.The material can be joined to other metals by welding, brazing, and soldering. The joint design must consider that Rodar® has a lower expansion coefficient than most other metals. Available Sizes: Rodar® is available from Hamilton Precision Metals as strip product in thicknesses from 0.001” to 0.060” (0.0254 mm to 1.524 mm) and width up to 12.0” (304.8 mm). The material conforms to ASTM F15, AMS 7728 and UNS K94610.
- Steel & Metals
- Rodar Strip Foil
- Iron-Nickel-Cobalt alloy strip foil
- electrical package sealing of ceramic
Product characteristics
- Density
- 0.302 lbs/cu.in.
- Melting Point (Approx.)
- 1455°C
- Electrical Resistivity @ R.T.
- 49 Microhm·cm
- Thermal Expansion Coefficient (30° to 400°C)
- 4.9 x 10-6/°C
- Thermal Conductivity @ 100°C
- 16.7 W/m·K
- Curie Temperature
- 435°C
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