Title:
GRADE OF DUCTILE IRON WITH REINFORCED FERRITIC MATRIX
Document Type and Number:
WIPO Patent Application WO/2023/110683
Kind Code:
A1
Abstract:
The invention relates to a grade of ductile iron having a tensile strength (Rm) equal to or greater than 700 MPa, an elongation at break equal to or greater than 11%, a yield strength (Rp 0.2) equal to or greater than 532 MPa, and a minimum ratio of yield strength (Rp 0.2) to tensile strength (Rm) of 76% in a tensile test performed on a specimen taken from a tensile bar in accordance with standard EN 1563 and having a diameter of 25 mm and a length of 200 mm.
Inventors:
DAUVIN FRANÇOIS (FR)
Application Number:
PCT/EP2022/085250
Publication Date:
June 22, 2023
Filing Date:
December 09, 2022
Export Citation:
Assignee:
SEDIVER (FR)
International Classes:
C22C38/00; C21C1/10; C22C33/04; C22C37/04; C22C37/10; C22C38/02; C22C38/04; C22C38/16
Domestic Patent References:
| WO2018093894A1 | 2018-05-24 |
Foreign References:
| EP3243920A1 | 2017-11-15 | |||
| US20140251751A1 | 2014-09-11 | |||
| FR2654961A1 | 1991-05-31 | |||
| US2494238A | 1950-01-10 | |||
| EP2765207A1 | 2014-08-13 |
Attorney, Agent or Firm:
LAGAHE-BLANCHARD, Chrystelle (FR)
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