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Flame hardening

Flame hardening

Selecting the range and depth of the hardened layer after quenching is relatively easy! Introducing heat treatment using fire.

"Flame (Flame Hardening)" is a quenching method that has been used for a long time as one of the surface hardening methods for steel or cast iron. It improves wear resistance, enhances mechanical properties, and allows for partial hardening. Due to rapid heating and rapid cooling treatment, there is little oxidation, decarburization, or deformation, and it is not restricted by the shape or dimensions of the workpiece. Please feel free to contact us when you need our services. 【Features】 ■ No restrictions on the shape or dimensions of the workpiece ■ Localized heating is possible ■ Setup for hardening is easy and work can be done quickly ■ Selection of the hardened layer range and depth is relatively easy ■ Little oxidation, decarburization, or deformation due to rapid heating and cooling treatment *For more details, please refer to the related links or feel free to contact us.

  • Contract manufacturing
  • Processing Contract

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[Processing Technology] Flame Hardening (Frame Hard)

[Processing Technology] Flame Hardening (Frame Hard)

Partial hardening of small parts! It is possible to have a hard surface with high wear resistance and a tough core!

"Flame hardening" is a process that involves heating the surface of steel with a high-temperature flame, followed by quenching to harden the surface layer. Using a torch, the steel is heated partially and then rapidly cooled. This process allows for a hard surface layer with high wear resistance and a tough core, resulting in significant residual compressive stress on the surface, which improves fatigue strength. It is suitable for partial hardening of small items (approximately Φ30 or smaller). 【Features】 ■ A process that heats the surface of steel with a high-temperature flame and then hardens the surface layer. ■ Capable of producing a hard surface layer with high wear resistance and a tough core. ■ The generation of significant residual compressive stress on the surface improves fatigue strength. ■ Suitable for partial hardening of small items (approximately Φ30 or smaller). ■ JIS processing symbol: HQF *For more details, please refer to the PDF document or feel free to contact us.

  • Other surface treatment equipment

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