Non-ferrous metals weight calculation method 2005-9-23 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 rod W = 0.0085 × side width of the square hexagonal copper rod W = 0.0077 × square of the square of the opposite side of the brass rod W = 0.00736 × square of the square of the distance to the opposite side W = 0.0089 × thick × wide brass plate W = 0.0085 × Thickness × width aluminum plate (pure aluminum) W = 0.00271 × thickness × width pattern aluminum plate (pure aluminum) W = 0.00271 × thickness × width × length + (width × length × 0.6) copper pipe W = 0.028 × wall thickness × ( Outside 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 = 0.0088 × width × thick aluminum row W = 0.0027 × width × thickness Note: W is in kilograms per meter, other units are in millimeters.