Coefficient of Friction Equation and Table Chart ...
Cast iron on copper. 0.29-Cast iron on lead. 0.43. 0.13-0.36. Cast iron on leather-0.07-0.20. Cast iron on oak (parallel) 0.30-0.50-Cast iron on magnesium. 0.25. 0.133. Cast iron on steel, mild. 0.23-Cast iron on tin. 0.32-Cast iron on zinc . 0.21-Earth on earth--Glass on glass. 0.40-Hemp rope on wood. 0.40-0.70-Nickel on nickel. 0.53. 0.12 ...