Short answer: Induction heating uses a high-frequency alternating magnetic field to induce eddy currents that heat a conductive part directly and locally — enabling clean, fast surface hardening, brazing, forging pre-heat and precise melting without flame or contact.
At a Glance
How It Works
An RF coil creates a changing field; the part absorbs it as heat via skin effect, so depth is set by frequency and power. It is the non-contact cousin of Metal Residual Stress Guide control and pairs with Stress Relieving Vs Annealing. The metallurgy behind the hardening is in Metal Heat Treatment Guide et Nitriding Vs Carburizing.
Surface Hardening & Heat Treat
Induction surface hardening quenches a thin case for wear (see Metal Wear Mechanisms Guide, Wear Resistant Steel Supplier) while the core stays tough — compare H13 Vs D2 Tool Steel. It also pre-heats for Forging Supplier et Metal Brazing Vs Soldering, and runs continuous Annealing Vs Normalizing of strip and wire.
Melting, Brazing & QA
Coreless furnaces melt clean, alloy-controlled heats — relevant to Casting Supplier et Refractory Metals Supplier. Verify the result with Metal Hardness Testing Methods, Metal Ndt Guide et Mill Test Certificate Guide.
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Questions fréquemment posées
Heating a conductive part directly with a high-frequency magnetic field that induces eddy currents in the material.
Typically 0.5-3 mm, set by frequency and power; higher frequency gives a shallower case.
Yes — no flame, combustion gases or contact, so it is clean and well suited to controlled atmospheres.
Forging pre-heat, brazing, soldering, annealing of strip/wire and precise melting.
HXSCO supplies hardened, brazed and heat-treated components made with controlled induction processes.
Source Heat-Treated Metal from HXSCO
HXSCO supplies induction-hardened, brazed and heat-treated components with documented properties. Send your specification and quantity for a quote.