Snr Roulements

Ascometal

Valti Societe Anonyme Pour La Frabrication De Tubes Roulements

Gerard Jacob

Jacques Bellus

Gilles Baudry

Daniel Girodin

Alain Vincent

Gilles Dudragne

Gerard Lormand

Steel for the manufacture of a component for bearings, the chemical composition of which comprises, by weight: 0.6%.ltoreq.C.ltoreq.1.5%; 0.4%.ltoreq.Mn.ltoreq.1.5%; 0.75%.ltoreq.Si.ltoreq.2.5%; 0.2%.ltoreq.Cr.ltoreq.2%; 0%.ltoreq.Ni.ltoreq.0.5%; 0%.ltoreq.Mo.ltoreq.0.2%; 0%&lt;Al.ltoreq.0.05%; S.ltoreq.0.04%; the balance being iron and impurities resulting from smelting and the composition furthermore satisfying the relationships: Mn.ltoreq.0.75+0.55.times.Si and Mn.ltoreq.2.5-0.8.times.Si. Process for the manufacture of a bearing component.

Steel for bearings

Growing community of inventors

Montbard, France

Gerard Jacob