新報国マテリアル Company Profile

A top-class manufacturer of low thermal expansion alloys that meets customer needs in alloy development!

Our company started in 1949 as a special steel manufacturing company in Kawagoe City, Saitama Prefecture. During this time, we have supported the foundation of Japanese manufacturing as a proposal-based special steel manufacturer, developing metal materials tailored to our customers' needs. Our main product, low thermal expansion alloys, can adjust the coefficient of thermal expansion from zero to 1 ppm. By developing alloys that meet our customers' diverse needs, such as corrosion resistance, machinability, and rigidity, we possess a wide range of low thermal expansion alloy materials and can recommend and provide materials that are suitable for your use.