Arcelormittal Wire France

Gaëlle Bascourt

Sylvain Foissey

A cold rolled steel wire having the following chemical composition expressed in percent by weight, 0.2&#x2264;C %&#x2264;0.6, 0.5&#x2264;Mn %&#x2264;1.0, 0.1&#x2264;Si&#x2264;0.5%, 0.2&#x2264;Cr&#x2264;1.0%, P&#x2264;0.020%, S&#x2264;0.015%, N&#x2264;0.010%, and optionally not more than 0.07% Al, not more than 0.2% Ni, not more than 0.1% Mo and not more than 0.1% Cu, the balance being iron and the unavoidable impurities due to processing. This wire has a microstructure including bainite and, optionally, up to 35% acicular ferrite and up to 15% pearlite. A fabrication method and flexible conduits for hydrocarbon extraction are also provided.

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Viriat, France

Gaëlle Bascourt