Phytherm 230 is a 50 nickel, 10 chromium balance iron alloy, and Phytherm 260 is a 50 nickel, 9 chromium balance iron alloy. Both are soft magnetic alloys. This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on forming. Filing Code: Fe-166. Producer or source: Aperam Alloys Imphy.