Featured Metals: Aluminium, Brass, Bronze, Chromium, Copper, Gold, Lead, Magnesium, Mild Steel Nickel, Platinum, Silver, Teflon, Tin, Titanium and Zinc. Featured shapes: Round bar, Pipe, Square bar / Sheet / Plate, Square tube, I-beam, T-bar, Channel, Angle, Octagonal bar, Hexagonal bar, Pentagonal bar and Triangular bar. Other Features of Metal Weight Calculator.