... variations in diameter for rods and wires Diameter, inch (mm)Tolerance <, +/-inch (mm)0.010~0.020 excl (0.254 ... , psi (MPa), ≥Yield strength, psi (MPa), ≥ Elongation in 1 inch gage length, %, ≥RO5200/RO540025000 (172)15000 (103)25RO525240000 (276) ... )55000 (379)20RO524035000 (244)15000 (103)25Wire, Diameter, inch (mm)GradeDiameter,inch (mm)tensile strength,psi (MPa),≥Elongation, %, ≥ RO5200/RO54000 ...