Private company

Washington Steel Corporation

Washington Steel Corporation was a highly successful post-war stainless steel production company, located in Washington, Pennsylvania. Washington Steel was the first U.S. company to use a Sendzimir Mill, invented by Polish inventor Tadeusz Sendzimir to cold-roll stainless steel.2 It was founded in 1945.1 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1945Founded1
  • Industryiron and steel industry1
  • HeadquartersPhiladelphia1

Washington Steel Corporation was a highly successful post-war stainless steel production company, located in Washington, Pennsylvania. Washington Steel was the first U.S. company to use a Sendzimir Mill, invented by Polish inventor Tadeusz Sendzimir to cold-roll stainless steel.2

Timeline

  1. 1945Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

  1. 1
  2. 2