ATI 17 Ti-5Al-2Sn-2Zr-4Cr-4Mo is also known as Ti-17. It was developed by General Electric for fan and compressor discs. This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, and joining. Filing Code: Ti-150. Producer or source: Allvac, An Allegheny Technologies Company.