MST 6A1-4V is a highly stabilized titanium alloy having high toughness with good hot strength. It can be readily welded and heat treated. This datasheet provides information on composition, physical properties, hardness, and tensile properties as well as creep. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Ti-9. Producer or source: Mallory-Sharon.