Here is the formula for the theoretical weight of carbon steel.
Angle: the weight of each meter is 0.00785 * (edge width + edge width - thickness) * side thickness
Round steel weight = 0.00617 * diameter * diameter
Flat steel: per meter weight = 0.00785 * thickness * edge width
Pipe: per meter weight = 0.02466 * wall thickness * (outer diameter - wall thickness)
Plate: the weight of each meter is 7.85 * thickness
Brass pipe: weight = 0.02670 * (outer diameter - wall thickness).
Copper pipe: each meter weight = 0.02796 * wall thick * (outer diameter - wall thickness)? Aluminum decorative plate: weight = 2.96 * thickness per square metre
Nonferrous metals: 8.8yellow copper plate 8.5 zinc plate, 7.2-zinc plate 11.37
The calculation formula of non-ferrous metal plate is: per square metre weight = proportion * thickness
The calculation of stainless steel can be calculated by the above calculating formula * 1.0167