Thermal Processing & Heat Treatment
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Thermal processing and heat treatment apply controlled heating and cooling cycles to change the physical or mechanical properties of metals and other materials. The suppliers below provide heat treatment services and equipment, including annealing, hardening, tempering, and case hardening, for European manufacturing industries.
What Thermal Processing & Heat Treatment suppliers provide
Suppliers in this category cover heat treatment processes such as annealing, normalising, hardening, tempering, case hardening, and stress relieving, applied to metal components and, in some cases, other materials. Their core competence lies in controlling heating rate, soak temperature, atmosphere, and cooling method to achieve a specified material property such as hardness, ductility, or residual stress. Some suppliers operate as contract heat treatment providers working to customer specifications, others supply the furnaces and equipment used for in-house heat treatment. In the pre-selection phase, compare which processes, materials, and part sizes each supplier has experience with, rather than individual equipment capacity figures.
Relevant standards
Thermoprocessing equipment used for heat treatment is commonly built and operated to EN 746 and ISO 13577 for safety. Supplier quality management is typically certified to ISO 9001.
Frequently asked questions
What is the difference between annealing, hardening, and tempering?
Annealing softens material and relieves internal stress, hardening increases hardness through rapid cooling, and tempering follows hardening to reduce brittleness while retaining most of the added hardness.
Do heat treatment suppliers work to customer material specifications?
Contract heat treatment providers typically process parts to a specified standard, drawing callout, or target hardness range supplied by the customer rather than defining the specification themselves.