863 Bronze Round Tube Material Bronze Outside Diameter 2 1/2 in Inside Diameter 1 in Wall Thickness 0.75 in Overall Length 13 in Material Grade 863 Mechanical Finish Mill Standards ASTM B271 ASTM B505 Outside Diameter Tolerance +0.0525 in/+0.109 in Fabrication Cast Yield Strength 69 000 psi Temper M07 Rockwell Hardness B101 Shape Round Tube Straightness Tolerance +/-0.05 in/ft System of Measurement Inch Tensile Strength 120 000 psi Tolerance Rating Oversized