The present invention provides a hot rolled steel sheet. The hot rolled steel sheet has a yield stress greater than 680 MPa and less than or equal to 840 MPa, at least in a direction transverse to a rolling direction, strength between 780 MPa and 950 MPa, elongation at failure greater than 10% and hole-expansion ratio (Ac) greater than or equal to 45%. The chemical composition includes, with the contents expressed by weight: 0.04%≦C≦0.08% 1.2%≦Mn≦1.9% 0.1%≦Si≦0.3% 0.07%≦Ti≦0.125% 0.05%≦Mo≦0.35% 0.15%