Patent · US Active

Stainless steel

US12421582B2 · kind B2 · utility

0Cited by
4References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 21, 2023
Grant dateSep 23, 2025
Priority date
Expiry dateFeb 21, 2043

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P10/25
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A plastic forming mold made from a stainless steel, having in weight % (wt. %): C 0.32-0.50, Si 0.1-1.0, Mn 0.1-0.8, Cr 11-14, Mo 1.8-2.6, V 0.35-0.70, N 0.05-0.19, optional elements, and a balance of Fe apart from impurities. The stainless steel is hardened and tempered and has a matrix comprising ≥90 vol. % martensite.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.