Weldability improvements in advanced high strength steel

US10960487B2 · kind B2 · utility

Assignee

• United States Steel Corporation · US

Inventors

• Daniel James Branagan · Iona, US
• Alla V. Sergueeva · Idaho Falls, US
• Brian E. Meacham · Idaho Falls, US
• Andrew E. Frerichs · Idaho Falls, US
• Sheng Cheng · Idaho Falls, US
• Scott Larish · Idaho Falls, US
• Grant G. Justice · Idaho Falls, US
• Andrew T. Ball · Idaho Falls, US
• Craig S. Parsons · Lake Orion, US
• Logan J. Tew · Idaho Falls, US
• Scott T. Anderson · Idaho Falls, US
• Kurtis CLARK · Idaho Falls, US
• Taylor L. GIDDENS · Idaho Falls, US
• Tad Machrowicz · Ortonville, US
• Jonathan M. Cischke · Bloomfield Hills, US

Key dates

• Filing date: Sep 18, 2018
• Grant date: Mar 30, 2021
• Expiry date: Feb 5, 2039

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B23K2103/04
• WIPO field: Machine tools
• WIPO sector: Mechanical engineering

Abstract

This disclosure relates to weldability of steel alloys that provide weld joints which retain hardness values in a heat affected zone adjacent to a fusion zone and which also have improved resistance to liquid metal embrittlement due to the presence of zinc coatings.