DÖRT KÖŞE DEMİRLER

GENİŞLİK*ET KALINLIĞI

KG/M

5*5

0.196

6*6

0.283

7*7

0.385

8*8

0.502

10*10

0.785

12*12

1.130

14*14
1.539
15*15
1.766
16*16
2.010
18*18
2.543
20*20
3.140
22*22
3.800
24*24
4.522
26*26
5.307
27*27
5.723
28*28
6.154
30*30
7.065
32*32
8.040
35*35
9.616
40*40
12.560
45*45
15.900
50*50
19.625
60*60
28.260
65*65
33.170
70*70
38.460
80*80
50.240
90*90
63.600
100*100
78.500
Geri