304L Stainless Steel Sheet Stainless Steel 304L Sheet 30 in Overall Length 12 in Overall Width 0.135 in Thickness Fabrication Cold Finished Heat Treatment Annealed Heat Treatable No Mechanical Finish Mill Yield Strength 25 000 psi Tensile Strength 70 000 psi Brinell Hardness 201 Rockwell Hardness B92 System of Measurement Inch