Oilite Bronze Round Tube Material Bronze Outside Diameter 3 1/4 in Inside Diameter 2.25 in Wall Thickness 3.25 in Overall Length 3 in Material Grade Oilite Mechanical Finish Mill Standards ASTM B-438-05 GR 1 Type 2 Outside Diameter Tolerance +0.034 in/+0.044 in Fabrication Cast Yield Strength 11 000 psi Shape Round Tube System of Measurement Inch