MUMBAI, India, June 24 -- Intellectual Property India has published a patent application (202514083283 A) filed by Voestalpine Rail Technology Gmbh on September 02, 2025, for Track Part For Rail Vehicles Made Of Low-Alloy Steel.
Inventors include Kammerhofer Christoph; and Brantner Hans-Peter.
The application for the patent was published on June 12, 2026, under issue no. 24/2026.
Abstract: A track part, in particular rail for rail vehicles, made of a low-alloy steel, wherein the rail head of the track part has a structure comprising 5-15 % by volume of austenite and 85-95 % by volume of carbide-free bainite, wherein the sum of austenite and carbide-free bainite is at least 98 % by volume, wherein the carbide-free bainite consists of upper bainite and, in a light-microscopic measurement at a depth of up to 15 mm below the rail head surface, the area fraction of the granular structure form is 50-80 % and that of the lamellar structure form is 20-50 %, wherein a low-alloy steel with the following analysis is used: 0.14-0.20 % by weight C, 0.90-1.10 % by weight Si, 1.40-1.80 % by weight Mn, 0.10-0.25 % by weight Cr and 0.06-0.10 % by weight Mo.
Disclaimer: Curated by HT Syndication.
