1. TUBOS QUADRADOS E RETANGULARES
Dimensão externa Espessura da parede (mm) kgs/mt
Quadr. Retang. 0.90 1.06 1.20
16x16 0.44 0.52 0.58
20x20 0.54 0.64 0.72
25x25 30x20 0.68 0.80 0.91
35x15 0.68 0.80 0.91
30x30 40x20 0.97 1.09
35x35 40x30 1.14 1.28
50x20 1.14 1.28
40x40 50x30 1.47
45x45 50x40 1.66
60x30 1.66
60x33 1.66
50x50 60x40 1.84
70x30 1.84
60x60 70x50
80x40
90x30
63x63 80x50
80x60
70x70 100x40
100x50
80x80 100x60
130x30
90x90 100x80
120x60
120x80
100x100 150x50
120x120 200x40
130x130 200x60
140x140 160x120
200x80
150x150 180x120
200x100
160x160
180x180
190x190
200x200 250x150
300x100