Oilite Bronze Round Tube Material Bronze Outside Diameter 4 in Inside Diameter 3 in Wall Thickness 4 in Overall Length 3 in Material Grade Oilite Mechanical Finish Mill Standards ASTM B-438-05 GR 1 Type 2 Outside Diameter Tolerance +0.055 in/+0.071 in Fabrication Cast Yield Strength 11 000 psi Shape Round Tube System of Measurement Inch