ERW Circular
12.7
16.0
19.1
20.0
22.2
25.0
25.4
30.0
31.8
34.9
38.1
40.0
41.3
44.5
47.6
50.0
50.8
57.0
60.3
63.5
76.1
88.9
101.6
1
0.29
0.37
0.45
0.47
0.53
0.60
0.72
0.76
0.92
0.96
1.2
0.354
0.438
0.536*
0.560
0.632
0.715*
0.721*
0.911
1.1
1.21
1.28
1.4
1.65
1.78
1.87
1.5
0.414*
0.536
0.647*
0.684
0.766*
0.869*
0.884
1.05
1.12*
1.24*
1.35
1.42
1.47
1.59
1.71
1.79*
1.82
2.05
2.18*
2.29*
2.76
3.23
3.70*
1.6
0.445
0.568
0.700*
0.828
0.946*
1.31
1.45*
1.56
1.69
1.94*
2.19
2.33
2.49
3
3.51
4.02
2
0.528
0.691
0.852*
0.89
1.01
1.13
1.16*
1.38
1.48*
1.62
1.79
2.1
2.25
2.37*
2.41*
2.71
2.9
3.03
3.65
4.29
4.91
* Stocked size in 6/6.1m lengthsStandard specification BS 6323 Part 5 ERW 1 self colour and pre-galvanised.