Heat Treatment Services By Aptech Engineering Concern

Based at Howrah, West Bengal, India, our firm is engaged in rendering Heat Treatment Services. In order to offer these services, our ingenious professionals work closely with clients to know their exact needs. The offered services are highly demanded in all manufacturing industries such as automobile, aviation, railways, aerospace, tools and dies. These services are best suited for improving the metal mechanical properties such as strength, durability, hardness and toughness. In addition to this, the provided Heat Treatment Services can be availed from us at competitive prices.

Features:

• We use modern tools and equipment to execute these service
• Ensure zero damage of materials during heat treatment
• Suitable for every kind of metal alloy products

Steels can be heat treated to produce a great variety of microstructures and properties. Generally, heat treatment uses phase transformation during heating and cooling to change a microstructure in a solid state. In heat treatment, the processing is most often entirely thermal and modifies only structure. Thermomechanical treatments, which modify component shape and structure, and thermochemical treatments which modify surface chemistry and structure, are also important processing approaches which fall into the domain of heat treatment.The iron-carbon diagram is the base of heat treatment.

Thermal history of heat treatment operation. According to cooling rate we can distinguish two main heat treatment

operations:

annealing upon slow cooling rate (in air or with a furnace)

quenching upon fast cooling (in oil or in water)

annealing - produces equilibrium structures according to the Fe-Fe3Cn diagram

quenching - gives non-equilibrium structures

Among annealing there are some important heat treatment processes like:

normalising

spheroidising

stress relieving