Stainless Steel Hex Bar Stainless Steel 303 Hexagon 36 in Overall Length Length Tolerance +/-3.000 in 3/16 in Hex Width Width Tolerance +0.000/-0.002 in Fabrication Cold Finished Heat Treatment Annealed Heat Treatable Yes Mechanical Finish Mill Yield Strength 30 000 psi Tensile Strength Not Rated 255 Brinell Hardness C25 Rockwell Hardness Includes Material Certificate Yes Standards ASTM A582 QQ-S-764 SAE AMS5640 Minimum Temperature Not Rated