Carpenter Glass Sealing 42-6 alloy has been used for sealing to Corning 0120 glass. A special thermal treatment develops a tightly adherent oxide beneficial to obtaining hermetic seals. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on high temperature performance and corrosion resistance as well as forming and heat treating. Filing Code: FE-137. Producer or source: Carpenter Technology Corporation.