ALUMINUM 6951 is a heat treatable alloy supplied in clad condition on one or both sides for brazing applications. The clad sheets or plates for brazing are designated as No. 21, No. 22, No. 23, and No. 24. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and shear strength. It also includes information on heat treating and joining. Filing Code: Al-195. Producer or source: Aluminum Company of America.