1, round steel per m weight = 0.00617 × diameter × diameter

2, square steel per m weight = 0.00786 × side width × side width

3, hexagonal steel per m weight = 0.0068 × diameter of the opposite side × diameter of the opposite side

4, octagonal steel per m weight = 0.0065 × diameter × diameter

5, rebar weight per m = 0.00617 × diameter × diameter

6, equilateral angle weight per m = side width × side thickness × 0.015

7, flat steel weight per m = 0.00785 × thickness × width

8, seamless steel tubes weight per m = 0.02466 × wall thickness × (OD-wall thickness)

9, welded steel per m = 0.00785 × wall thickness × (OD-wall thickness)

9, welded steel per m weight per m = 0.02466 × wall thickness × (OD-wall thickness)

9, steel per m weight per m = 0.00617 × diameter × diameter

9, welded steel weight per m = seamless steel pipe

10, steel plate weight per square meter = 7.85 × thickness

11, brass tube: weight per meter = 0.02670 * wall thickness * (OD - wall thickness)

12, purple copper tube: weight per meter = 0.02796 * wall thickness * (OD - wall thickness)

13, aluminum patterned plate: Weight per square meter = 2.96 * thickness

14, the specific gravity of non-ferrous metals: copper plate 8.9 brass plate 8.5 zinc plate 7.2 lead plate 11.37

15, non-ferrous metal plate is calculated as follows: weight per square meter = specific gravity * thickness

Square tubes: weight per meter = (side length + side length) × 2 × thickness × 0.00785

Irregular angle: weight per meter = 0.00785 × side thickness (long side width + short side width - side thickness)

I-beam: weight per meter = 0.00785 × waist thickness [height + f (leg width - waist thickness)]

Channel: weight per meter = 0.00785 × waist thickness [height + e (leg width - waist thickness)]