ABOUT
Annealing Furnace - AF
An annealing furnace is a specialized industrial heat treatment system designed to alter the physical and chemical properties of metals and alloys using controlled heating and cooling processes. They are key to processing stainless steel, copper wire, rod, strand, strip and tube products. Therefore, they are essential for the metalworking industries.Tempsens Instruments offers advanced possible annealing furnace solutions for multiple applications and metals, including copper alloys, nickel, nickel chrome, titanium, stainless steel and refractory metals. Our furnaces are built heavy-duty with energy-efficient fiber and brick insulation combination, and they maintain precise temperature control with very little maintenance including, electric heating designs and advanced annealing furnace element designs to maintain consistent performance!They are compatible with the wire annealing process, tube annealing process, and various other forms of metal processing including across many industries.

About Annealing Furnace - AF
An Annealing Furnace (AF) is a device that allows for the softening of metals, the release of internal stresses, the increase in ductility and the overall workability of a piece of metal by altering the microstructure via thermal cycles.
Working Principle of Annealing Furnace
The working principle of annealing furnace is the heating of metal parts to a specified temperature above their recrystallization temperature, holding the temperature for a specific amount of time, and cooling the parts under controlled circumstances. This thermal cycle relieves internal stress, increases ductility, decreases hardness, and improves workability of metals by changing their microstructure.
Stages of Annealing Furnace
- Recovery: Internal stresses in the deformed metal structure are relieved with little change to the grain structure, resulting in a lower dislocation density and less stored energy.
- Recrystallisation: New, strain-free grains emerge and proliferate, displacing previously deformed grains. This results in a softer, more ductile material with better mechanical properties and characteristics.
- Grain Growth: The development of recrystallized grains at elevated temperatures is accompanied by better uniformity and ductility, and sometimes a decrease in material strength.
Specifications of Annealing Furnace
| Maximum Temperature | 1200°C |
|---|---|
| Heating Element | FeCrAl/ APM wire |
| Application Area | Wire Annealing, Tube Annealing Furnace |
| Temperature Control | Microprocessor Based Programmable PID Controller |
Uses of Annealing Furnace
- Annealing is a process used to heat copper wire in order to enhance its electrical conductivity and flexibility.
- Heat treatment process for copper alloy material typically used in electrical and electronic applications.
- Rod and strand annealing use in wire drawing operation.
- Processing of strip metal for automotive and appliance processing.
- Heat treatment of nickel and nickel chrome for corrosion resistant applications.
What Makes Tempsens the Best Annealing Furnace Manufacturer in India
- Advanced Engineering: Tempsens furnaces feature durable construction, an optimized heating-element design, and multi-zone control, to provide better metallurgical results in a uniform manner.
- Modification Options Accessible: We can provide options for order fulfillment on both standard designs or custom designs that allow for flexible dimensions for the feeding and cooling zones, according to customer specifications.
- Energy Efficiency: Smart insulation systems and precise power control technology ensures less energy consumption while ensuring stable thermal performance.
- Complete Service Support: As the world leader in industrial furnaces, Tempsens has a complete service model which includes installation, commissioning, maintenance, and optimizing performance.
FAQ
Frequently Asked Questions
Find answers to frequently asked questions related to Annealing Furnace - AF.
The purpose of annealing is to relieve internal stresses, improve ductile properties, decrease hardness, recrystallize grain structure, and improve workability and machinability of manufactured parts made from metals in preparation for subsequent manufacturing operations.
In annealing furnaces you will regularly find gases such as nitrogen, argon, hydrogen, or forming gas (the nitrogen-hydrogen gas mixture). These gases are used based on common material needs to avoid oxidation and/or if certain surface properties are desired during the annealing cycle.
Tempsens is a leading manufacturer of annealing and industrial furnaces in India, providing innovative and customizable solutions in most of the metalworking industries.
The annealing temperature is determined by the material chemical composition and the desired properties of that metal. Most annealing temperatures range from 0.5 to 0.75 times the metal’s melting point (in Kelvin). The actual annealing temperature can be found in metallurgical specifications and/or heat treat specifications.
