ã€China Aluminum Industry Network】copper rod: W=0.00698×diameter squared brass rod: W=0.00668×diameter squared aluminum rod: W=0.0022×diameter squared square copper rod: W=0.0089×side width squared square Brass rods: W=0.0085× side-width square Hexagonal copper rod: W=0.0077× squared square of opposite side Hexagonal brass rod: W=0.00736×squared square of opposite side distance: W=0.0089×thickness×wide brass Plate: W=0.0085×thickness×wide aluminum plate (pure aluminum): W=0.00271×thickness×broad-pattern aluminum plate (pure aluminum): W=0.00271×thickness×width+(width×length×0.6) Copper pipe: W = 0.028 x wall thickness x (outer diameter - wall thickness) Brass tube: W = 0.0267 × wall thickness × (outer diameter - wall thickness) Aluminum tube: W = 0.00879 × wall thickness × (outer diameter - wall thickness) Copper row: W=0.0089×width×thick aluminum row: W=0.0027×Width×thick Note: The unit is kg/m, other units are millimeters.