The #HeatTreatment of Lock is done by Pratham Heat Treatments.
via Pratham Heat Treatments https://ift.tt/l7IyJdz
What are heat treatment services?
What are heat treatment services? Heat treatment involves the use of heating or chilling, normally to extreme temperatures, to achieve the desired result such as hardening or softening of a material. Heat treatment techniques include annealing, case hardening, precipitation strengthening, tempering, carburizing, normalizing and quenching.
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