Patent · US Active

Delayed cracking prevention during drawing of high strength steel

US11254996B2 · kind B2 · utility

0Cited by

3References

13Claims

0Family size

Assignee

United States Steel Corporation · US

Inventors

Daniel James Branagan · Iona, US
Andrew E. Frerichs · Idaho Falls, US
Brian E. Meacham · Idaho Falls, US
Grant G. Justice · Idaho Falls, US
Kurtis CLARK · Idaho Falls, US
Logan J. Tew · Idaho Falls, US
Scott T. Anderson · Idaho Falls, US
Scott Larish · Idaho Falls, US
Sheng Cheng · Idaho Falls, US
Taylor L. GIDDENS · Idaho Falls, US
Alla V. Sergueeva · Idaho Falls, US
Andrew T. Ball · Idaho Falls, US
Jason K. Walleser · Idaho Falls, US

Key dates

Filing date	Jun 24, 2019
Grant date	Feb 22, 2022
Priority date	—
Expiry date	Feb 20, 2040

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC21D2211/001
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

This invention relates to prevention of delayed cracking of metal alloys during drawing which may occur from hydrogen attack. The alloys find applications in parts or components used in vehicles, such as bodies in white, vehicular frames, chassis, or panels.

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