FIELD: metallurgy.
SUBSTANCE: heater comprises heater section containing at least 50 wt % of iron, at least 6 wt % of cobalt, at least 9 wt % of chromium, and at least 0.5 wt % of vanadium, wherein said section features Curie temperature (Tc) lower than phase conversion temperature to make at least 740°C. Note here that heater section configuration ensures electric resistance when electric current varying in time is supplied in said section.
EFFECT: adjustable phase conversion temperature range.
19 cl, 1 ex, 4 tbl, 20 dwg
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