304L Stainless Steel Disc Stainless Steel 304L Disc Outside Diameter 7 in 0.75 in Overall Length Fabrication Hot Rolled Heat Treatment Annealed Heat Treatable Yes Mechanical Finish Mill Yield Strength 30 000 psi Tensile Strength 75 000 psi 215 Brinell Hardness B96 Rockwell Hardness System of Measurement Inch