| http://www.w3.org/ns/prov#value | - good ductility, that is to say a degree of uniform elongation greater than 5%.For this purpose, the subject of the invention is a steel whose chemical composition, by weight, comprises:optionally from 0.0005% to 0.005% of boron,optionally from 0.005% to 0.1% of titanium,optionally at least one element taken from Ca, Se, Te, Bi and Pb in amounts less than 0.2%,the balance being iron and impurities
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