Walk Thru Frame     Ladder Frame     Cross Brace&Side Bracket     Coupling Pin&Caster     Steel Alkboard   　Screw Jack&U-Head   　Props   　Tie rod   　Cuplock Scaffold   　Formwork   　Office Furniture   　Apartment Furniture   　Metal Storage Rack     Cold equilateral involution      cold involution channel Your current position: Product demonstration >>> cold involution channel number Specification mm Theiretical weight Kg/m A B C T 1 25 25 8 1.2 0.77 2 30 30 10 1.2 0.95 3 40 40 9 2.5 2.32 4 60 30 10 2.5 2.37 5 80 40 15 3.0 3.92 6 100 50 20 2.5 4.71 7 100 50 20 2.75 5.176 8 100 50 20 3.0 5.65 9 120 60 20 3.0 5.65 10 140 60 20 2.5 2.5 number Specification mm Theiretical weight Kg/m A B C T 11 160 60 20 3.0 6.98 12 160 70 20 3.0 7.45 13 180 60 20 3.0 7.45 14 180 70 20 3.0 7.45 15 200 50 20 3.0 7.92 16 200 80 25 4.0 11.90 17 250 40 15 3.0 7.92 18 300 40 15 3.0 9.10 19 400 50 15 3.0 11.93