office@ssc.rs
Address:Đure Salaja b.b., Smederevo 
Flat
products – coils, sheets ad plates
welded hollow sections - tubes and pipes
Cold formed welded hollow sections of non-alloy and fine grain steels, suitable for hot dip galvanizing.
Used for steel structures (EN 10219-1/2006), precision applications (EN 10305-3/2010) or tested for water permeability (EN10255/2004 + A1/2007).
Circular (round) hollow section
| Inches | mm | 1.4. | 1.5 | 1.6 | 1.8 | 2 | 2.2 | 2.3 | 2.5 | 2.6 | 2.8 | 2.9 | 3 | 3.2 | 3.5 | 3.6 | 3.8 | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 |
| 19.0 | 0.607 | 0.647 | 0.686 | 0.763 | 0.838 | 0.911 | 0.947 | 1.017 | ||||||||||||||||||
| (1/2) | 21.3 | 0.951 | 1.036 | 1.077 | 1.159 | 1.198 | 1.277 | |||||||||||||||||||
| 25.0 | 0.814 | 0.869 | 0.923 | 1.029 | 1.134 | 1.236 | 1.287 | 1.387 | 1.436 | 1.532 | 1.580 | 1.627 | ||||||||||||||
| (3/4) | 26.9 | 1.228 | 1.339 | 1.395 | 1.504 | 1.557 | 1.663 | 1.716 | 1.767 | 1.869 | ||||||||||||||||
| 32.0 | 1.056 | 1.128 | 1.199 | 1.340 | 1.479 | 1.616 | 1.684 | 1.818 | 2.015 | 2.080 | 2.144 | |||||||||||||||
| (1) | 33.7 | 1.563 | 1.708 | 1.780 | 1.923 | 1.993 | 2.133 | 2.202 | 2.270 | 2.406 | 2.605 | 2.671 | 2.801 | 2.928 | ||||||||||||
| 38.0 | 1.263 | 1.350 | 1.436 | 1.606 | 1.775 | 1.941 | 2.024 | 2.188 | 2.269 | 2.429 | 2.509 | 2.588 | 2.745 | 2.976 | 3.053 | 3.206 | 3.352 | |||||||||
| 40.0 | 1.873 | 2.050 | 2.137 | 2.311 | 2.397 | 2.567 | 2.652 | 2.736 | 2.903 | 3.149 | 3.230 | 3.391 | 3.549 | |||||||||||||
| (1,1/4) | 42.4 | 1.992 | 2.180 | 2.273 | 2.459 | 2.551 | 2.733 | 2.824 | 2.914 | 3.092 | 3.356 | 3.443 | 3.616 | 3.786 | 4.204 | |||||||||||
| 44.5 | 2.095 | 2.294 | 2.392 | 2.588 | 2.685 | 2.878 | 2.974 | 3.069 | 3.258 | 3.537 | 3.629 | 3.812 | 3.993 | 4.437 | ||||||||||||
| (1,1/2) | 48.3 | 2.282 | 2.500 | 3.608 | 2.822 | 2.929 | 3.140 | 3.245 | 3.350 | 3.557 | 3.865 | 3.967 | 4.168 | 4.368 | 4.858 | 5.537 | ||||||||||
| 50.8 | 2.406 | 2.635 | 2.750 | 2.976 | 3.089 | 3.313 | 3.424 | 3.535 | 3.755 | 4.081 | 4.188 | 4.402 | 4.614 | 5.136 | 5.645 | |||||||||||
| (2) | 60.3 | 2.874 | 3.151 | 3.288 | 3.562 | 3.698 | 3.698 | 4.103 | 4.237 | 4.504 | 4.900 | 5.031 | 5.292 | 5.551 | 6.189 | 6.815 | ||||||||||
| 63.5 | 3.032 | 3.324 | 3.470 | 3.759 | 3.903 | 4.189 | 4.332 | 4.474 | 4.756 | 5.176 | 5.315 | 5.592 | 5.866 | 6.554 | 7.210 | |||||||||||
| (2,1/2) | 76.1 | 3.653 | 4.007 | 4.184 | 4.535 | 4.710 | 5.059 | 5.232 | 5.406 | 5.750 | 6.263 | 6.433 | 6.772 | 7.109 | 7.942 | 8.763 | ||||||||||
| (3) | 88.9 | 4.284 | 4.702 | 4.910 | 5.324 | 5,531 | 5.942 | 6.147 | 6.352 | 6.760 | 7.368 | 7.569 | 7.971 | 8.371 | 9.362 | 10.340 | ||||||||||
| (3,1/2) | 101.6 | 7.291 | 7.761 | 8.463 | 8.696 | 9.161 | 9.623 | 10.770 | ||||||||||||||||||
| 108.0 | 7.764 | 8.266 | 9.015 | 9.264 | 9.760 | 10.254 | 11.480 | 12.694 | ||||||||||||||||||
| (4) | 114.3 | 8.230 | 8.763 | 9.559 | 9.823 | 10.350 | 10.880 | 12.180 | 13.470 | |||||||||||||||||
| (4,1/2) | 127.0 | 9.169 | 9.765 | 10.650 | 10.950 | 11.540 | 12.130 | 12.590 | 15.040 | 16.470 | 17.900 | |||||||||||||||
| 133.0 | 9.613 | 10.238 | 11.172 | 11.482 | 12.102 | 12.719 | 14.523 | 15.775 | 17.285 | 18.783 | ||||||||||||||||
| 139.7 | 10.109 | 10.767 | 11.750 | 12.077 | 12.729 | 13.379 | 14.996 | 16.601 | 18.193 | 19.773 | ||||||||||||||||
| 159.0 | 11.020 | 11.740 | 12.810 | 13.170 | 13.880 | 14.590 | 16.360 | 18.120 | 19.860 | 21.590 | 23.310 | 25.020 | ||||||||||||||
| 168.3 | 12.223 | 13.023 | 14.218 | 14.615 | 15.408 | 16.199 | 18.169 | 20.126 | 22.071 | 24.003 | ||||||||||||||||
| 177.8 | 12.93 | 13.77 | 15.04 | 15.46 | 16.30 | 17.14 | 19.22 | 21.30 | 23.36 | 25.41 | 27.45 | 27.45 | 29.47 | 31.48 | ||||||||||||
| 190.5 | 13.87 | 14.77 | 16.13 | 16.58 | 17.49 | 18.39 | 20.63 | 22.86 | 25.08 | 27.29 | 29.48 | 31.66 | 33.83 | 35.99 | ||||||||||||
| (8) | 219.1 | 15.98 | 17.03 | 18.60 | 19.12 | 20.17 | 21.21 | 23.80 | 26.39 | 28.96 | 31.52 | 34.06 | 36.60 | 39.12 | 41.63 |
Hydrotested circular (round) hollow section
EN 10255 - Series L1
Dimensions
External diameter d
Wall thickness s
Weight
inči
mm
kg/m
1/2
21.3
2.3
1.08
3/4
26.9
2.3
1.39
1
33.7
2.9
2.2
1, 1/4
42.4
2.9
2.82
1, 1/2
48.3
2.9
3.24
2
60.3
3.2
4.49
%s
76.1
3.2
5.73
3
88.9
3.6
7.55
3, 1/2
101.6
3.6
8.7
4
114.3
4
10.8
EN 10255 - Series L
Dimensions
External diameter d
Wall thickness s
Weight
inči
mm
kg/m
1/2
21.3
2.3
1.08
3/4
26.9
2.3
1.4
1
33.7
2.9
2.2
1, 1/4
42.4
2.9
2.82
1, 1/2
48.3
2.9
3.25
2
60.3
3.2
4.51
%s
76.1
3.2
5.75
3
88.9
3.2
6.76
3, 1/2
101.6
3.6
8.7
4
114.3
3.6
9.83
5
139.7
4.5
15.00
6
165.1
4.5
17.8
EN 10255 - Series L2
Dimensions
External diameter d
Wall thickness s
Weight
inči
mm
kg/m
1/2
21.3
2
0.947
3/4
26.9
2.3
1.38
1
33.7
2.6
1.98
1, 1/4
42.4
2.6
2.54
1, 1/2
48.3
2.9
3.23
2
60.3
2.9
4.08
%s
76.1
3.2
5.71
3
88.9
3.2
6.72
4
114.3
3.6
9.75
EN 10255 - Series H
Dimensions
External diameter d
Wall thickness s
Weight
inči
mm
kg/m
1/2
21.3
3.2
1.44
3/4
26.9
3.2
1.87
1
33.7
4
2.93
1, 1/4
42.4
4
3.79
1, 1/2
48.3
4
4.37
2
60.3
4.5
6.19
%s
76.1
4.5
7.93
3
88.9
5
10.3
4
114.3
5.4
14.5
5
139.7
5.4
17.9
6
165.1
5.4
21.3
EN 10255 - Series M
Dimensions
External diameter d
Wall thickness s
Weight
inči
mm
kg/m
1/2
21.3
2.6
1.21
3/4
26.9
2.6
1.56
1
33.7
3.2
2.41
1, 1/4
42.4
3.2
3.1
1, 1/2
48.3
3.2
3.56
2
60.3
3.6
5.03
%s
76.1
3.6
6.42
3
88.9
4
8.36
Square hollow section
| Dimensions bxb (mm) | 1.4 | 1.5 | 1.6 | 1.8 | 2 | 2.2 | 2.3 | 2.5 | 2.6 | 2.8 | 2.9 | 3 | 3.2 | 3.5 | 3.6 | 3.8 | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 |
| 15 | 0.595 | 0.632 | 0.669 | 0.741 | 0.810 | ||||||||||||||||||||
| 20 | 0.814 | 0.868 | 0.920 | 1.023 | 1.049 | 1.132 | 1.171 | 1.247 | |||||||||||||||||
| 25 | 1.034 | 1.103 | 1.171 | 1.306 | 1.363 | 1.477 | 1.532 | 1.640 | 1.692 | 1.793 | 1.842 | 1.890 | |||||||||||||
| 30 | 1.254 | 1.339 | 1.422 | 1.588 | 1.677 | 1.822 | 1.893 | 2.032 | 2.100 | 2.233 | 2.297 | 2.361 | |||||||||||||
| 35 | 1.991 | 2.168 | 2.254 | 2.425 | 2.508 | 2.672 | 2.753 | 2.832 | |||||||||||||||||
| 40 | 2.305 | 2.513 | 2.616 | 2.817 | 2.916 | 3.112 | 3.208 | 3.303 | 3.490 | 3.763 | 3.852 | 4.027 | 4.198 | ||||||||||||
| 45 | 2.619 | 2.859 | 2.977 | 3.210 | 3.325 | 3.551 | 3.663 | 3.774 | 3.993 | 4.313 | 4.417 | 4.624 | 4.826 | ||||||||||||
| 50 | 2.933 | 3.204 | 3.338 | 3.602 | 3.733 | 3.991 | 4.119 | 4.245 | 4.495 | 4.862 | 4.983 | 5.220 | 5.454 | ||||||||||||
| 60 | 3.561 | 3.895 | 4.06 | 4.387 | 4.549 | 4.870 | 5.029 | 5.187 | 5.500 | 5.961 | 6.113 | 6.413 | 6.710 | ||||||||||||
| 70 | 4.189 | 4.586 | 4.782 | 5.172 | 5.336 | 5.749 | 5.94 | 6.129 | 6.505 | 7.06 | 7.243 | 7.607 | 7.966 | ||||||||||||
| 80 | 7.07 | 7.51 | 8.16 | 8.37 | 8.80 | 9.22 | 10.26 | 11.27 | |||||||||||||||||
| 90 | 8.01 | 8.51 | 9.26 | 9.50 | 9.99 | 10.48 | 11.67 | 12.84 | |||||||||||||||||
| 100 | 8.96 | 9.52 | 10.36 | 10.63 | 11.19 | 11.73 | 13.08 | 14.41 | 15.71 | 16.98 | |||||||||||||||
| 120 | 10.84 | 11.53 | 12.56 | 12.90 | 13.57 | 14.25 | 15.91 | 17.55 | 19.16 | 20.75 | 22.02 | 23.51 | |||||||||||||
| 140 | 12.72 | 13.54 | 14.75 | 15.16 | 15.96 | 16.76 | 18.74 | 20.69 | 22.62 | 24.52 | 26.11 | 27.91 | 29.68 | ||||||||||||
| 150 | 13.67 | 14.54 | 15.85 | 16.29 | 17.15 | 18.01 | 20.15 | 22.26 | 22.34 | 26.40 | 28.15 | 30.11 | 32.04 | 33.94 |
Rectangular hollow section
| Dimensions (mm) | |||||||||||||||||||||||||
| b | h | 1.4 | 1.5 | 1.6 | 1.8 | 2 | 2.2 | 2.3 | 2.5 | 2.6 | 2.8 | 2.9 | 3 | 3.5 | 3.6 | 3.8 | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 |
| 10 | 20 | 0.595 | 0.632 | 0.669 | 0.741 | 0.810 | |||||||||||||||||||
| 15 | 25 | 0.814 | 0.868 | 0.920 | 1.023 | 1.124 | 1.132 | 1.171 | 1.247 | ||||||||||||||||
| 20 | 30 | 1.034 | 1.103 | 1.171 | 1.306 | 1.438 | 1.477 | 1.532 | 1.640 | 1.692 | 1.793 | 1.842 | 1.890 | ||||||||||||
| 20 | 40 | 1.254 | 1.339 | 1.422 | 1.588 | 1.677 | 1.822 | 1.893 | 2.032 | 2.100 | 2.233 | 2.297 | 2.361 | ||||||||||||
| 30 | 40 | 1.991 | 2.168 | 2.254 | 2.425 | 2.508 | 2.672 | 2.753 | 2.832 | ||||||||||||||||
| 30 | 50 | 2.305 | 2.513 | 2.616 | 2.817 | 2.916 | 3.112 | 3.208 | 3.303 | 3.490 | 3.763 | 3.852 | 4.027 | 4.198 | |||||||||||
| 30 | 60 | 2.619 | 2.859 | 2.977 | 3.210 | 3.325 | 3.551 | 3.663 | 3.774 | 3.993 | 4.313 | 4.417 | 4.624 | 4.826 | |||||||||||
| 40 | 50 | 2.619 | 2.859 | 2.977 | 3.210 | 3.325 | 3.551 | 3.663 | 3.774 | 3.993 | 4.313 | 4.417 | 4.624 | 4.826 | |||||||||||
| 40 | 60 | 2.933 | 3.204 | 3.338 | 3.602 | 3.733 | 3.991 | 4.119 | 4.25 | 4.495 | 4.862 | 4.983 | 5.22 | 5.454 | |||||||||||
| 40 | 80 | 3.561 | 3.895 | 4.060 | 4.387 | 4.549 | 4.870 | 5.029 | 5.187 | 5.500 | 5.961 | 6.113 | 6.413 | 6.710 | |||||||||||
| 40 | 100 | 6.129 | 6.505 | 7.060 | 7.243 | 7.607 | 7.966 | ||||||||||||||||||
| 50 | 100 | 6.600 | 7.007 | 7.61 | 7.809 | 8.203 | 8.549 | 9.552 | 10.484 | ||||||||||||||||
| 60 | 80 | 6.129 | 6.505 | 7.060 | 7.243 | 7.607 | 7.966 | ||||||||||||||||||
| 60 | 100 | 7.071 | 7.509 | 8.159 | 8.374 | 8.800 | 9.222 | 10.258 | |||||||||||||||||
| 60 | 120 | 8.013 | 8.514 | 9.258 | 9.504 | 9.993 | 10.48 | 11.67 | 12.84 | ||||||||||||||||
| 60 | 140 | 8.955 | 9.519 | 10.36 | 10.63 | 11.19 | 11.73 | 13.08 | 14.41 | 15.71 | 16.98 | ||||||||||||||
| 80 | 100 | 8.013 | 8.514 | 9.258 | 9.504 | 9.993 | 10.48 | 11.67 | 12.84 | ||||||||||||||||
| 80 | 120 | 8.955 | 9.519 | 10.36 | 10.63 | 11.19 | 11.73 | 13.08 | 14.41 | 15.71 | 16.98 | ||||||||||||||
| 80 | 160 | 10.84 | 11.53 | 12.56 | 12.90 | 13.57 | 14.25 | 15.91 | 17.55 | 19.16 | 20.75 | 22.02 | 23.51 | ||||||||||||
| 100 | 140 | 10.84 | 11.53 | 12.56 | 12.90 | 13.57 | 14.25 | 15.91 | 17.55 | 19.16 | 20.75 | 22.02 | 23.51 | ||||||||||||
| 100 | 180 | 12.72 | 13.54 | 14.75 | 15.16 | 15.96 | 16.76 | 18.74 | 20.69 | 22.62 | 24.52 | 26.11 | 27.91 | ||||||||||||
| 100 | 20 | 12.72 | 14.54 | 15.85 | 16.29 | 17.15 | 18.01 | 20.15 | 22.26 | 24.34 | 26.40 | 28.15 | 30.11 | 33.94 |
