10 May 201211:30
MMK Develops Coin Metal Technology
Magnitogorsk Iron & Steel Works (MMK) developed a technology for the production of coin metal with unique properties, the company’s PR Department reports. ‘Experts from Russia’s largest coin-making enterprise GURT sent their technical specifications for the metal meant for ten-ruble coins out to Russia’s leading metallurgical enterprises in 2009. Ensuring the low surface roughness, precise thickness, and a limited hardness range all at the same time was not easy, but our metallurgists managed to do this. A special technology was elaborated at MMK’s Central Control Lab that made it