Kovar Sheet, .010" (0.25mm), 6x6"

Sheet of Kovar® (also known as Rodar®, Pernifer 2918®, Dilvar P1®, Nilo K®). This machinable Iron-Nickel-Cobalt alloy provides thermal expansion characteristics matching both borosilicate (Pyrex) Glasses and Alumina Ceramics.

Sheets are porosity-free and suitable for glass-to-metal sealing applications. Product can be milled, drilled or cut to specified dimensions (please inquire).

• Material: Iron-Nickel-Cobalt (Alloy ASTM F-15)
• Thickness: .010" ±.001 (0.25mm ±.02)
• Dimensions: 6x6" ±.005 (152x152mm ±.13)
• Thermal Conductivity: 0.17 W/cm°C
• Resistivity: 49µΩ-cm
• Density: 0.302 lb/cu in.
• Melting Point: 1449°C
• Curie Temperature: 435°C
• Net Weight:
• Temper: Annealed
• Hardness: Rockwell B80
• Finish: Polished
• Meets: ASTM F-15 / F-1466, AMS I-23011 CI 1, MIL I-23011 CI 1, UNS K94610
• Thermal Expansion (@ 25°C ~ 450°C): 5.3 ppm/°C
• Chemical Composition:

  Fe 53%	Ni 29%	Co 17%
  Si .20%	Cr .20%	C .02%