LJ Induction

What is induction tempering?

Induction tempering is a heat treatment process used to improve the toughness and reduce the brittleness of hardened steel components. It involves reheating the metal to a specific temperature—typically between 150°C and 650°C—after hardening, then holding it at that temperature for a set time to achieve the desired mechanical properties.

Induction tempering uses electromagnetic induction to heat the part quickly and precisely. The process is especially effective for parts that have undergone induction hardening, as both steps can be seamlessly integrated into a single production line.

Common applications of induction tempering include shafts, gears, axles, tools, and other components that require a combination of high strength and good ductility. By carefully controlling the tempering temperature, manufacturers can fine-tune hardness, wear resistance, and fatigue performance.

LJINDUCTION offers advanced induction tempering systems designed for high repeatability, rapid cycle times, and integration with automated lines. Whether you are tempering small tools or large industrial components, we provide tailored solutions that maximize throughput and quality.

Benefits of Induction Tempering

Induction tempering offers several advantages over conventional furnace tempering, particularly in terms of speed, precision, and energy efficiency.

Induction tempering delivers fast and localized heating, significantly reducing cycle times compared to batch ovens. Components can be tempered immediately after hardening, reducing material handling and improving overall workflow.

LJINDUCTION’s systems provide precise control over heating parameters, ensuring consistent results across parts and batches. This is especially valuable in industries like automotive, aerospace, and heavy machinery, where part performance is critical.

Induction tempering is also highly energy-efficient, as it heats only the metal and not the surrounding environment. This leads to lower operational costs and a smaller environmental footprint.

Additionally, the process is clean and safe—no open flames, minimal oxidation, and less surface discoloration. Induction tempering can be easily automated, enabling high-volume production with minimal labor and excellent quality assurance.

With LJINDUCTION, manufacturers benefit from reliable tempering solutions that support flexible part geometries, scalable production, and long-term process stability. Our systems are backed by expert engineering, training, and after-sales support.

Brass Metal

Brass Metal

Brass Metal

Brass Metal

Brass Metal

Brass Metal

Brass Metal

Brass Metal

Brass Metal

Brass Metal

Brass Metal

Brass Metal

Brass Metal

Brass Metal

Brass Metal

Brass Metal

Brass Metal

Brass Metal

What is induction heating?

Benefit of using induction heating

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