MUELLER Alloy 6970 (formerly MBCo. alloy 804) is a wrought alloy having excellent corrosion resistance when used with water and steam. It has good mechanical properties, excellent wear resistance and good machinability. These properties make it an ideal material for valve components. 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, machining, and joining. Filing Code: Cu-364. Producer or source: Mueller Brass Company.