Vertical Scanner
Vertical Heating

Vertical Scanner

Hardening is a process of increasing the hardness and mechanical strength of steel. Steel is heated to a temperature slightly higher than the upper critical (between 850-900ºC) and then cooled more or less quickly (depending on the characteristics of steel) in a quenching medium such as oil, air, water, water mixed with soluble polymers, etc.

Normally steels are used in induction hardening contain from 0.3% to 0.7% carbon (hypoeutectic steels).

Case or surface hardening is the process of hardening the surface of a metal object and thus forming a thin layer of harder metal at the surface. 

Vertical Hardening

For iron or steel with low carbon content, which has poor to no hardenability of its own, the case hardening process involves infusing additional carbon into the case. Case hardening is usually done after the part has been formed into its final shape, but can also be done to increase the hardening element content of bars to be used in a pattern welding or similar process.

Because hardened metal is usually more brittle than softer metal, through-hardening (that is, hardening the metal uniformly throughout the piece) is not always a suitable choice for applications where the metal part is subject to certain kinds of stress.


  • Specific parts of the material to be harden.
  • Frequency Control and heating times.
  • Energy saving.
  • Cooling control.
  • Increase performance and saves space.

Model # Vertical Scanner
Scanning length 600 - 4000 mm
Scanning speed 100 - 250 mm/sec
Controller PLC/ CNC
Power Rating 5 - 1000 kW
Frequency 3 - 400 kHz


We convey our sincere thanks and our appreciation to M/ s Electrotherm family for the development, realization, testing, qualification and commissioning of 10 MW power supply system for our Plasma Wind Tunnel facility. We are extremely glad that M/ s Electrotherm has taken up this challenging task, when no such system was existing in the country. We wish, we should have many more such collaborative ventures in future with M/ s Electrotherm and contribute to ISRO's futuristic advanced R&D programmes.
Mr. P.A. Krishnamoorthy, VSSC-ISRO
Hereby we feel glad to have 4000 KW/ 10 Ton DTi Furnace set along with HSMC lX Caster. We have commissioned this equipments in our plant on 21st May 2018 & found performance which was committed by Electrotherm was achieved. Electrotherm's project execution was extraordinary & their process understanding & support was remarkable. Looking to the performance of other equipments of other makes running within our group, we have found performance of Electrotherm make DTi Furnace to be best.

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