KANTHAL 115 is a thermostatic bimetal which is recommended for use in the temperature range -20 to +450 °C. Typical applications for KANTHAL 115 are in circuit breakers, motor protection units, thermostats, shower mixers, etc. High-expansive component: 15-7 Alloy(440 Designation, 50% of thickness) Low-expansive component: Invar 115 Alloy (420 Designation, 50% of thickness) Information provided by Sandvik Composition: - High-expansive component: Designation 440; 6.9% Mn; 17% Ni; 76.1% Fe
- Low-expansive component: Designation 420; 0.95% Mn; 42.9% Ni; Bal. Fe
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