Stainless Round Tube,12 in Overall L
257 in, Wall Thickness 0.031, Outside Diameter 5/16 in, Outside Diameter Tolerance +/-0.005 in, Inside Diameter 0.028 in, Wall Thickness Tolerance +/-15 Percent, Fabrication Seamless, Heat Treatment Annealed, Heat Treatable Yes, Mechanical Finish Mill, Yield Strength 31,200 psi, Tensile Strength 73,200 psi, 123 Brinell Hardness, 70 Rockwell Hardness, Includes Material Certificate Yes.