Patents Assigned to Erasteel SAS
  • Steel alloy and a tool
    Patent number: 11293083
    Abstract: A steel alloy intended for cutting applications and hot working tools, comprising, in weight percent (wt. %), C: 0.40-1.2 wt. %, Si: 0.30-2.0 wt. %, Mn: max 1.0 wt. %, Cr: 3.0-6.0 wt. %, Mo: 0-4.0 wt. %, W: 0-8.0 wt. %, wherein (Mo+W/2)?3.5 wt. %, Nb: 0-4.0 wt. %, V: 0-4.0 wt. %, wherein 1.0 wt. %?(Nb+V)?4.0 wt. %, Co: 25-40 wt. %, S: max 0.30 wt. %, N: max 0.30 wt. %, the balance being Fe and unavoidable impurities.
    Type: Grant
    Filed: March 15, 2017
    Date of Patent: April 5, 2022
    Assignee: Erasteel SAS
    Inventors: Fredrik Sandberg, Delphine Rébois, Stefan Sundin