Steel ballistic shot and production method

US6749662B2 · kind B2 · utility

Assignee

• Olin Corporation · US

Inventors

• Morris C Bueneman · Florissant, US
• Jack D. Dippold · Edwardsville, US
• Brian Mravic · North Haven, US
• Howard Muldrow · Holden, US
• Peter W. Robinson · Branford, US

Key dates

• Filing date: Jul 9, 2001
• Grant date: Jun 15, 2004
• Expiry date: Jul 9, 2021

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B22F2998/10
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

A relatively high carbon, water-atomized, steel shot is softened via annealing to render it suitable for ballistic use. The annealing preferably includes decarburization from a surface layer or throughout and preferably provides the shot with a surface Knoop hardness of less than 250.