标准摘要
This specification covers a low expansion iron alloy in the form of sheet or strip 0.250 inch (6.35 mm) and under in nominal thickness.
英文名称Alloy, Sheet and Strip 42Fe - 37.5Ni - 14Co - 4.8Cb (Nb) - 1.6Ti (Alloy 909) Solution Heat Treated, Precipitation Hardenable Multiple Melted, High Temperature, Low Expansion