Magnet Operating-Temperature Calculator (engine)

Grade

Shape

Length a mm

Width b mm

Thickness h (mag. dir.) mm

Operating temperature °C

180°C

True safe temperature limit for this size

180°C

Grade nominal rating (L/D≥0.7 sample)

Marginal: low headroom Distance to critical point 1.3 kOe · Shape headroom is sufficient (calculated demag onset ~194°C), capped at the grade rating 180°C (the rating includes long-term aging margin; not recommended to exceed)

0.78Permeance coefficient Pc

4.18B (kG)

-5.38H (kOe)

22.5|BH| (MGOe)

This data is estimated by AHL from its own references, for reference only and not a basis for transactions. Actual conditions vary; please contact AHL to confirm.

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Query distance s (drag the slider below, or slide on the chart) mm

s = 2.0 mm ｜ Pull force iron 127.0 N（12.95 kgf）｜ Steel St50 95.3 N ｜ B 249 mT

Pull force Fr — distance s (slide left/right on the chart to read values)

Surface field — distance s

5.5Pull force · contact · N (kgf)

0.6Pull force @10mm · N (kgf)

277Surface field · surface (Gauss)

140Surface field @10mm (Gauss)

This data is estimated by AHL from its own references, for reference only and not a basis for transactions. Actual conditions vary; please contact AHL to confirm.