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ROUNDS / SQUARES

Joists have a H cross section and have dimensions in the format of length of the horizontal part to the vertical part in the H. They are mainly used in construstion for providing strength to the roof. They are also used as support structure for bridges.


Sizes (mm) & Sectional weight :
Size Rounds (dia) Squares
6 .22 .28
8 .39 .50
10 .62 .78
12 .89 1.13
16 1.580 2.01
18 2.000 2.54
20 2.470 3.14
22 3.00 3.8
25 3.80 4.9
28 4.80 6.2
32 6.30 8.1
36 8.00 10.0
40 9.900 12.60
45 12.49 15.9
50 15.40 19.6
56 19.35 24.6
63 24.47 31.1
80 39.46 50.24
90 49.94 63.58
100 61.66 78.50
110 74.60 94.91
125 96.34 122.60
140 120.84 153.86
160 157.84 200.96
180 199.76 254.34
200 244.62 314.00
Grades as per :
For Rounds : IS-2062/IS-961/IS-8500/JIS-G-3101-SS-400/
DIN-17100/ASTM-A-36/BS-EN-10025/BS-4360
For Squares : IS-2062/IS-961/IS-8500/JIS-G-3101-SS-400/
DIN-17100/ASTM-A-36/BS-EN-10025/BS-4360
Length : 9 to 12 metres.