Cold-formed structural tubes guarantee high mechanical and static pressure resistance and have a high yield strength.

Thanks to these characteristics, they are widely used for the construction of fixed load-bearing structures in civil, industrial, and mechanical constructions.

A wide range of EN 10219 profiles in grade S 355 J2H is available in our warehouses, i.e., round cross-section with a diameter of up to 610 mm, square and rectangular cross-sections up to sizes of 500 mm and 20 mm thickness.

The materials supplied bear the CE marking, as required by the Technical Regulations for Construction, and their manufacture is regulated by the European Standard EN 10219-2006 1 and 2.

Thanks to our 3D laser cutting lines, we can also perform quality and customised machining on the entire range of structural profiles.

EN 10219
SQUARE CROSS-SECTION

SIDE SIZE (mm) THICKNESS (mm)
3.00 4.00 5.00 6.00 6.30 8.00 10.00 12.50 14.20 16.00 20.00
30 30 2.36 2.94 - - - - - - - - -
35 35 2.83 3.57 - - - - - - - - -
40 40 3.30 4.20 4.99 - - - - - - - -
45 45 3.77 4.83 5.77 - - - - - - - -
50 50 4.25 5.45 6.56 - - - - - - - -
60 60 5.19 6.71 8.13 9.45 9.55 - - - - - -
70 70 6.13 7.97 9.70 11.33 11.53 - - - - - -
80 80 7.07 9.22 11.27 13.21 13.51 16.36 - - - - -
90 90 8.01 10.48 12.84 15.10 15.49 18.87 - - - - -
100 100 8.96 11.73 14.41 16.98 17.47 21.39 25.56 29.08 - - -
110 110 9.90 12.99 15.98 18.87 19.44 23.90 28.70 33.00 - - -
120 120 10.84 14.25 17.55 20.75 21.42 26.41 31.84 36.93 - - -
130 130 11.78 15.50 19.12 22.63 23.40 28.92 34.98 40.85 - - -
140 140 12.72 16.76 20.69 24.52 25.38 31.43 38.12 44.78 - - -
150 150 13.67 18.01 22.26 26.40 27.36 33.95 41.26 48.70 - - -
160 160 14.61 19.27 23.83 28.29 29.34 36.46 44.40 52.63 - - -
175 175 16.02 21.15 26.18 31.11 32.30 40.23 49.11 58.52 - - -
180 180 16.49 21.78 26.97 32.05 33.29 41.48 50.68 60.48 - - -
200 200 - 24.29 30.11 35.82 37.25 46.51 56.96 68.33 76.05 - -
220 220 - 26.81 33.25 39.59 41.20 51.53 63.24 76.18 84.97 - -
250 250 - 30.57 37.96 45.24 47.14 59.07 72.66 87.95 98.34 108.94 -
260 260 - 31.83 39.53 47.13 49.12 61.58 75.80 91.88 102.80 113.96 -
300 300 - - 45.81 54.66 57.03 71.63 88.36 107.58 120.64 134.06 162.00
350 350 - - - 64.08 66.92 84.19 104.06 127.20 142.93 159.18 194.00
400 400 - - - 73.50 76.81 96.75 119.76 146.83 165.23 184.30 225.00
500 500 - - - - - 121.87 151.16 186.08 209.81 234.54 288.00
* Values in kg/m
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EN 10219
RECTANGULAR CROSS-SECTION

SIDE SIZE (mm) THICKNESS (mm)
3.00 4.00 5.00 6.00 6.30 8.00 10.00 12.50 14.20 16.00 20.00
60 30 3.77 4.83 - - - - - - - - -
60 40 4.25 5.45 6.56 7.56 7.57 - - - - - -
70 40 4.72 6.08 7.34 8.50 8.56 - - - - - -
70 50 5.19 6.71 8.13 9.45 9.55 - - - - - -
80 40 5.19 6.71 8.13 9.45 9.55 - - - - - -
80 50 5.66 7.34 8.91 10.39 10.54 - - - - - -
80 60 6.13 7.97 9.70 11.33 11.53 - - - - - -
90 50 6.13 7.97 9.70 11.33 11.53 - - - - - -
100 40 6.13 7.97 9.70 11.33 11.53 - - - - - -
100 50 6.60 8.59 10.48 12.27 12.52 - - - - - -
100 60 7.07 9.22 11.27 13.21 13.51 16.36 - - - - -
100 80 8.01 10.48 12.84 15.10 15.49 18.87 - - - - -
120 40 7.07 9.22 11.27 13.21 13.51 - - - - - -
120 50 7.54 9.85 12.05 14.16 14.50 - - - - - -
120 60 8.01 10.48 12.84 15.10 15.49 18.87 - - - - -
120 80 8.96 11.73 14.41 16.98 17.47 21.39 25.56 29.08 - - -
120 100 9.90 12.99 15.98 18.87 19.44 23.90 28.70 33.00 - - -
140 40 8.01 10.48 12.84 - - - - - - - -
140 60 8.96 11.73 14.41 16.98 17.47 21.39 - - - - -
140 70 9.43 12.36 15.19 17.92 18.46 22.64 - - - - -
140 80 9.90 12.99 15.98 18.87 19.44 23.90 28.70 33.00 - - -
150 50 8.96 11.73 14.41 16.98 17.47 - - - - - -
150 60 9.43 12.36 15.19 17.92 - - - - - - -
150 75 - - 16.37 19.34 - - - - - - -
150 100 11.31 14.87 18.33 21.69 22.41 27.67 33.41 38.89 - - -
160 60 9.90 12.99 15.98 18.87 19.44 23.90 - - - - -
160 80 10.84 14.25 17.55 20.75 21.42 26.41 31.84 36.93 - - -
160 90 11.31 14.87 18.33 21.69 22.41 27.67 33.41 38.89 - - -
160 120 12.72 16.76 20.69 24.52 25.38 31.43 38.12 44.78 - - -
180 60 10.84 14.25 17.55 20.75 21.42 26.41 31.84 36.93 - - -
180 80 11.78 15.50 19.12 22.63 23.40 28.92 34.98 40.85 - - -
180 100 12.72 16.76 20.69 24.52 25.38 31.43 38.12 44.78 - - -
180 120 13.67 18.01 22.26 26.40 27.36 33.95 41.26 48.70 - - -
200 80 12.72 16.76 20.69 24.52 25.38 31.43 38.12 44.78 - - -
200 100 13.67 18.01 22.26 26.40 27.36 33.95 41.26 48.70 - - -
200 120 14.61 19.27 23.83 28.29 29.34 36.46 44.40 52.63 58.22 - -
200 150 16.02 21.15 26.18 31.11 32.30 40.23 49.11 58.52 64.90 - -
220 120 - 20.53 25.40 30.17 31.31 38.97 47.54 56.55 62.67 - -
250 100 16.02 21.15 26.18 31.11 32.30 40.23 49.11 58.52 - - -
250 150 - 24.29 30.11 35.82 37.25 46.51 56.96 68.33 76.05 - -
260 140 - 24.29 30.11 35.82 37.25 46.51 56.96 68.33 76.05 - -
260 180 - 26.81 33.25 39.59 41.20 51.53 63.24 76.18 84.97 - -
300 100 - 24.29 30.11 35.82 37.25 46.51 56.96 68.33 - - -
300 150 - 27.43 34.03 40.53 42.19 52.79 64.81 78.14 87.20 - -
300 200 - 30.57 37.96 45.24 47.14 59.07 72.66 87.95 98.34 - -
350 150 - - 37.96 45.24 47.14 59.07 72.66 87.95 98.34 - -
350 250 - - - 54.66 57.03 71.63 88.36 107.58 120.64 134.06 -
400 200 - - 45.81 54.66 57.03 71.63 88.36 107.58 120.64 - -
400 250 - - 49.73 59.37 61.98 77.91 - - - - -
400 300 - - - 64.08 66.92 84.19 104.06 127.20 142.93 159.18 -
450 250 - - - 64.08 66.92 84.19 104.06 127.20 142.93 159.18 -
500 200 - - - 64.08 66.92 84.19 104.06 127.20 142.93 - -
500 300 - - - - - 96.75 119.76 146.83 165.23 184.30 225.00
* Values in kg/m
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EN 10219
ROUND CROSS-SECTION

DIAMETER Ø (mm) THICKNESS (mm)
3.00 4.00 5.00 6.00 6.30 8.00 10.00 12.50 14.20 16.00 20.00 25.00
33.70 2.27 2.93 - - - - - - - - - -
38.00 2.59 3.35 4.07 - - - - - - - - -
42.40 2.91 3.79 4.61 5.39 5.61 - - - - - - -
48.30 3.35 4.37 5.34 6.26 6.53 - - - - - - -
51.00 3.55 4.64 5.67 6.66 6.94 - - - - - - -
57.00 4.00 5.23 6.41 7.55 7.88 - - - - - - -
60.30 4.24 5.55 6.82 8.03 8.39 - - - - - - -
63.50 4.48 5.87 7.21 8.51 8.89 - - - - - - -
70.00 4.96 6.51 8.01 9.47 9.90 - - - - - - -
76.10 5.41 7.11 8.77 10.37 10.84 - - - - - - -
82.50 5.88 7.74 9.56 11.32 11.84 - - - - - - -
88.90 6.36 8.38 10.35 12.27 12.83 15.96 19.46 - - - - -
101.60 7.29 9.63 11.91 14.15 14.81 18.47 22.59 - - - - -
108.00 7.77 10.26 12.70 15.09 15.80 19.73 24.17 - - - - -
114.30 8.23 10.88 13.48 16.03 16.78 20.97 25.72 - - - - -
121.00 8.73 11.54 14.30 17.02 17.82 - - - - - - -
127.00 9.17 12.13 15.04 17.90 18.75 23.48 28.85 - - - - -
133.00 9.62 12.73 15.78 18.79 19.69 24.66 30.33 - - - - -
139.70 10.11 13.39 16.61 19.78 20.73 25.98 31.99 39.21 - - - -
152.40 11.05 14.64 18.18 21.66 22.70 28.49 35.12 43.13 - - - -
159.00 11.54 15.29 18.99 22.64 23.72 29.79 36.75 - - - - -
168.30 12.23 16.21 20.14 24.02 25.17 31.63 39.04 48.03 - - - -
177.80 12.93 17.14 21.31 25.42 26.65 33.50 41.38 - - - - -
193.70 14.11 18.71 23.27 27.77 29.12 36.64 45.30 55.86 67.83 70.11 - -
219.10 15.99 21.22 26.40 31.53 33.06 41.65 51.57 63.69 71.75 80.14 - -
244.50 17.87 23.72 29.53 35.29 37.01 46.66 57.83 71.52 80.64 90.16 - -
273.10 - 26.55 33.06 39.52 41.45 52.30 64.88 80.33 90.66 101.44 - -
323.90 - 31.56 39.32 47.04 49.34 62.32 77.41 95.99 108.45 121.49 149.88 -
355.60 - 34.68 43.23 51.73 54.27 68.58 85.23 105.77 119.56 134.00 165.52 -
406.40 - - 49.50 59.25 62.16 78.60 97.76 121.43 137.35 154.05 190.57 235.13
457.00 - - - 66.73 70.02 88.58 110.24 137.03 155.07 174.01 215.53 266.33
508.00 - - - 74.28 77.95 98.65 122.81 152.75 172.93 194.14 240.68 297.77
558.00 - - - 81.70 85.70 109.00 135.00 168.00 190.00 214.00 265.00 329.00
610.00 - - - - 93.80 119.00 148.00 184.00 209.00 234.00 291.00 361.00
* Values in kg/m
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EN 10219
CHEMICAL ANALYSIS AND MECHANICAL PROPERTIES

Cold-formed unalloyed steel profiles - Chemical analysis %

STEEL GRADE Max % on mass
STEEL GRADE STEEL CODE C Si Mn P S N
S235JRH 1.0039 0.17 - 1.40 0.040 0.040 0.009
S275JOH 1.0149 0.20 - 1.50 0.035 0.035 0.009
S275J2H 1.0138 0.20 - 1.500 0.030 0.030 -
S355JOH 1.0547 0.22 0.55 1.60 0.035 0.035 0.009
S355J2H 1.0576 0.22 0.55 1.600 0.030 0.030 -
S355K2H 1.0512 0.22 0.55 1.600 0.030 0.030 -
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Cold-formed fine-grain steel profiles - Chemical analysis %

STEEL GRADE Max % on mass
STEEL GRADE STEEL CODE C max Si max Mn P max S max Nb max V max
S275NH 1.0493 0.20 0.40 0.50-1.40 0.035 0.030 0.050 0.05
S275NLH 1.0497 0.20 0.40 0.50-1.40 0.030 0.025 0.050 0.05
S355NH 1.0539 0.20 0.50 0.90-1.65 0.035 0.030 0.050 0.12
S355NLH 1.0549 0.18 0.50 0.90-1.65 0.030 0.025 0.050 0.12
S460NH 1.8953 0.20 0.60 1.00-1.70 0.035 0.030 0.050 0.20
S460NLH 1.8956 0.20 0.60 1.00-1.70 0.030 0.025 0.050 0.20
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STEEL GRADE Max % on mass
STEEL GRADE STEEL CODE Total Al min Ti max Cr max Ni max Mo max Cu max N max
S275NH 1.0493 0.020 0.03 0.30 0.30 0.10 0.35 0.015
S275NLH 1.0497 0.020 0.03 0.30 0.30 0.10 0.35 0.015
S355NH 1.0539 0.020 0.03 0.30 0.50 0.10 0.35 0.015
S355NLH 1.0549 0.020 0.03 0.30 0.50 0.10 0.35 0.015
S460NH 1.8953 0.020 0.03 0.30 0.80 0.10 0.70 0.025
S460NLH 1.8956 0.020 0.03 0.30 0.80 0.10 0.70 0.025
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Cold-formed unalloyed steel profiles – Mechanical properties

STEEL GRADE Minimum yield strength Re Mpa Minimum ultimate strength Rm Mpa Minimum elongation A % Min. Resilience KV (J)
STEEL GRADE STEEL CODE Nominal Thickness mm Test Temperature
≤ 16 >16 ≤ 40 <3 ≥ 3 ≤ 40 ≤ 40 -20° C 0° C 20° C
S235JRH 1.0039 235 225 360-510 360-510 24 - - 27
S275JOH 1.0149 275 265 430-580 410-560 20 - 27 -
S275J2H 1.0138 275 265 430-580 410-560 20 27 - -
S355JOH 1.0547 355 345 510-680 470-630 20 - 27 -
S355J2H 1.0576 355 345 510-680 470-630 20 27 - -
S355K2H 1.0512 355 345 510-680 470-630 20 40 - -
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Cold-formed fine-grain steel profiles - Mechanical properties

STEEL GRADE Minimum yield strength Re Mpa Minimum ultimate strength Rm Mpa Minimum elongation A % Min. Resilience KV (J)
STEEL GRADE STEEL CODE Nominal Thickness mm Test Temperature
≤ 16 >16 ≤ 40 ≤ 40 ≤ 40 -50° C -20° C
S275NH 1.0493 275 265 370-510 24 - 40
S275NH 1.0493 275 265 370-510 24 - 40
S275NH 1.0493 275 265 370-510 24 - 40
S275NH 1.0493 275 265 370-510 24 - 40
S275NH 1.0493 275 265 370-510 24 - 40
S275NH 1.0493 275 265 370-510 24 - 40
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Old standards

EUROPEAN NORM
EN 10219		 ITALY
UNI 7810		 GERMANY
DIN 17119 - DIN 17120
DIN 17123 - DIN 17125		 FRANCE
NF A 49-541		 GREAT BRITAIN
BS 6363
S235JRH Fe 360 B St 37.2 E 24-2 -
S275JOH Fe 430 C St 44-3 U E 28-3 43 C
S275J2H Fe 430 D St 44-3 N E 28-4 43 D
S355JOH Fe 510 C St 52-3 U E 36-3 50 C
S355J2H Fe 510 D St 52-3 N E 36-4 50 D
S275NH - St E 285 N - -
S355NH - St E 355 N - -
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