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Steel hardening
automotivefor the energy sectorISO 9001

steel hardening
steel hardening
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Characteristics

Treated material
steel
Applications
automotive, for the energy sector
Certifications
ISO 9001, ISO 14001, ISO/TS 16949
Production method
large series, medium series, small series

Description

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. TECHNICAL TEAM • Our team has expertise and proper technical training adapted to this special process, making: measurements for the control of hardness, microhardness, resistance to torque and tensile test RAW MATERIALS • In this process, ETMA proceeds to the heat treatment of metal parts in mild and low-carbon steel EQUIPMENTS • Belt Furnaces (MJamaral), Shaker furnace (SIB), Rotating Furnace (multiplex III SIB), Continuous tempering furnace (Termometalicas), Static tempering furnace (Pote / Termometalicas) EXAMPLES • Springs, clips, terminals, washers, electrical connectors, tubes, protection boxes, shafts, spindles, screws, among others. • Screws and similar parts with resistance classes up to 12.9 All products referred to can be quenched and tempered with hardness from 250 to 450Hv. We can also perform carbonitriding or cementation surface hardening up to 0.3mm of depth and over 450Hv of hardness.

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.