Heat treatment annealing is one of the commonly used heat treatment processes for metal steel,include stainless steel bright annealing furnace so how many other annealing heat treatment processes are subdivided into? Take a look at it with the editor of the remote electromechanical induction heating equipment.
1. Complete annealing and isothermal annealing are also known as recrystallization annealing, which is generally referred to as annealing. This annealing is mainly used in the casting, forging and hot-rolled sections of all kinds of carbon and alloy steels with sub-eutectic composition, and is also sometimes used in welding structures. It is usually used as final heat treatment of some unheavy workpieces, or as preheat treatment of certain workpieces.
2. Spheroidizing annealing is mainly used for hypereutectic carbon steel and alloy tool steel (such as steel used for tools, measuring tools and dies). Its main purpose is to reduce hardness, improve machinability, and prepare for later quenching.
3. De-stress annealing, also known as low temperature annealing (or high temperature tempering), is mainly used to eliminate residual stresses in castings, forgings, welds, hot rolled parts, cold drawing parts, etc. If these stresses are not removed, it will cause deformation or cracks in the steel parts after a certain period of time or during subsequent cutting processes.
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Post time: 04-26-2019