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Steel tempering
automotiveISO 14001ISO 9001

steel tempering
steel tempering
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Treated material
ISO 14001, ISO 9001, ISO/TS 16949
Production method
large series, medium series, small series


In order to improve the mechanical properties of the parts, ETMA performs heat treatments with core and superficial hardening – tempering, carburizing, carbonitriding – and heat treatments with release of tension and hardness correction – tempering, annealing. All treatments are carried out in a controlled atmosphere, thereby ensuring a class of resistance up to 12.9 and high superficial hardness.


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