The meter price is a theoretical price, and the conversion between the weighing price and the theoretical price is not complicated. Mainly know the shape, size and density of steel, weight = volume x density. Some commonly used calculations have formulas, and the derivation process is omitted, so parameters can be used directly for calculation. For example:

1, weight of round steel per meter (unit: kg) w = 0.00 165 x d d is the diameter, unit: mm;

2. Weight of rebar per meter (unit: kg) W=0.006 17 x d d is the diameter in mm;

3. The weight of steel plate per square meter (unit: kg) W=7.85 x b b is the thickness, and the unit is mm;

4. Weight per meter of steel pipe (unit: kg) W=0.02466 x wall thickness (outside diameter-wall thickness) unit millimeter.

The formula is only applicable to ordinary carbon steel, that is, steel with a density of 7.85g/mm3, while stainless steel, alloy steel and other materials need specific calculation.