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- Withstands temperatures up to 1400°C
- Uses: Typical applications are in furnaces for firing of high temperature ceramics, heat treatment furnaces, laboratory furnaces, diffusion furnaces, and high temperature kilns. Produced from powder metallurgy technology this alloy has demonstrated significant improvements in both physical and mechanical properties. Its advantages are better form stability, high temperature strength, and the ability to be self-supporting at temperatures above 1300º C. It has an excellent surface oxide, which gives good protection in corrosive atmospheres as well as in atmospheres with high carbon potential, and no scaling.
- Common Name: KAPM, Alloy 875 PM, Kanthal APM
- Specific Resistance: 872 ohms/cmf, 147.47 microohm/cm
- Nom. Temp. Coeff. of Resistance (TCR): 0.00002 ohm/ohm/°C (0-100°C)
- Density: 0.256 lb/cu. in.
- Specific Heat (20°C): 0.11 cal/g
- Nominal Coefficient of Linear Expansion: 15 X 10-6 in/in/°C
- Approx. Melting Point: 1500°C
- Tensile Strength at 20°C: 200 KPSI Hard, 115 KPSI Annealed
- Magnetic Attraction: Strong