Weight per kg

Unit for length is meter, unit for acreage is square meters, and unit for others is mm.

Round Steel 0.00617*diameter*diameter*length

Square steel 0.00785*boarder-width*boarder-width*length

Rebar 0.00617*calculated diameter*calculated diameter*length

Angle steel 0.00785 *(boarder-width + boarder-width-boarder-thickness) * boarder-thickness*length

Flat steel 0.00785*thickness*boarder-width*length

Steel pipe 0.02466*wall thickness* (outer diameter-wall thickness) * length

Steel plate 7.85*thickness*acreage