Structural Light Steel Framing

Infill

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Structural Light Steel Framing

Infill

U Track section properties

SFS U Tracks
  • Stud profiles denoted by 'U'.
  • Standard track available in 1.2, 1.5 and 2.0mm gauges,Heavy track available in 2.5 and 3.0mm gauges
  • Standard track lengths are 3 and 4 metres.
  • Larger lengths available up to 12 metres.

U Track section properties (BS 5950-5)

Section Reference h b r t Agr Ix Iy es Q Aeff Zeff.x Zeff.y Rxx Ryy Ix.eff Iy.eff fyb fu
  mm mm mm mm cm2 cm4 cm4 mm   cm2 cm3 cm3 cm cm cm4 cm4 N/mm2 N/mm2
U.54.50.12 54 50 2 1.2 1.67 8.77 4.03 0.12 0.74 1.41 2.92 1.09 2.33 1.61 7.70 3.66 450 490
U.54.70.12 54 70 2 1.2 2.13 12.00 10.45 0.04 0.53 1.32 2.95 1.83 2.43 2.50 7.80 8.22 450 490
U.54.70.20 54 70 2 2.0 3.53 19.22 16.52 0.09 0.87 3.23 6.98 3.64 2.37 2.22 18.16 15.93 450 490
U.74.40.12 74 40 2 1.2 1.67 14.63 2.35 1.95 0.75 1.37 3.89 0.78 3.22 1.25 14.16 2.15 450 490
U.74.50.12 74 50 2 1.2 1.90 17.70 4.50 1.49 0.67 1.46 4.26 1.11 3.26 1.61 15.52 3.77 450 490
U.74.70.12 74 70 2 1.2 2.36 23.85 11.69 0.02 0.53 1.44 4.33 1.88 3.31 2.48 15.76 8.85 450 490
U.74.70.20 74 70 2 2.0 3.92 38.55 18.52 0.08 0.87 3.62 10.13 3.88 3.17 2.23 36.48 17.99 450 490
U.104.40.12 104 40 2 1.2 2.02 32.25 2.61 3.47 0.63 1.38 5.87 0.78 4.67 1.25 30.15 2.16 450 490
U.104.50.12 104 50 2 1.2 2.25 38.38 5.03 3.34 0.58 1.48 6.39 1.12 4.72 1.60 32.86 3.80 450 490
U.104.50.15 104 50 2 1.5 2.96 51.31 7.19 2.88 0.75 2.32 9.62 1.84 4.61 1.64 49.28 6.25 450 490
U.104.70.12 104 70 2 1.2 2.71 50.64 13.14 2.02 0.48 1.48 6.49 1.90 4.74 2.47 33.35 9.05 450 490
U.104.70.20 104 70 2 2.0 4.51 82.50 20.87 1.86 0.80 3.86 15.31 4.00 4.50 2.22 78.07 19.06 450 490
U.154.40.12 154 40 2 1.2 2.60 82.56 2.88 5.07 0.50 1.40 9.30 0.78 7.13 1.25 71.07 2.19 450 490
U.154.50.12 154 50 2 1.2 2.83 96.10 5.62 5.44 0.47 1.50 10.08 1.12 7.17 1.60 77.05 3.85 450 490
U.154.50.15 154 50 2 1.5 3.69 127.81 8.01 5.05 0.60 2.35 15.29 1.84 7.05 1.64 116.60 6.30 450 490
U.154.70.12 154 70 2 1.2 3.29 123.18 14.89 4.90 0.41 1.51 10.23 1.91 7.19 2.46 78.17 9.18 450 490
U.154.70.20 154 70 2 2.0 5.49 202.13 23.67 4.88 0.67 3.92 24.58 4.02 6.90 2.22 186.77 19.30 450 490
U.204.40.12 204 40 2 1.2 3.18 165.33 3.05 6.03 0.42 1.42 12.87 0.79 9.59 1.25 130.49 2.21 450 490
U.204.50.12 204 50 2 1.2 3.41 189.18 6.01 6.77 0.40 1.52 13.90 1.13 9.63 1.60 141.00 3.89 450 490
U.204.50.15 204 50 2 1.5 4.42 250.37 8.56 6.43 0.51 2.37 21.17 1.85 9.51 1.64 214.33 6.35 450 490
U.204.70.12 204 70 2 1.2 3.87 236.89 16.11 6.93 0.35 1.54 14.10 1.92 9.65 2.46 142.98 9.28 450 490
U.204.70.20 204 70 2 2.0 6.47 390.36 25.62 7.03 0.57 3.95 34.22 4.03 9.35 2.22 345.57 19.42 450 490

U Track section properties (BS EN 1993-1-3)

Section Reference h b r t Agr iy iz yflange zweb yo zo It Iw Iy2 Iz3 Aeff Weff.y Weff.zlips Weff.zweb yeff.flange zeff.web Iy.eff Iz.eff fyb f_{u}
mm mm mm mm cm2 mm mm mm mm mm mm cm4 cm6 cm4 cm4 cm2 cm3 cm3 cm3 mm mm cm4 cm4 N/mm2 N/mm2
U.54.50.12 54 50 2 1.2 1.73 23.32 16.59 26.40 15.57 37.05 0.00 78.88 23.55 9.41 4.76 0.99 2.18 0.70 1.27 26.40 8.30 6.88 2.62 450 490
U.54.70.12 54 70 2 1.2 2.19 24.00 23.19 26.40 24.58 55.92 0.00 99.69 60.14 12.65 11.80 1.03 2.15 1.27 2.41 26.40 10.64 7.52 6.42 450 490
U.54.70.20 54 70 2 2 3.65 23.77 23.14 26.00 24.13 55.68 0.00 476.87 96.37 20.59 19.53 2.53 5.14 2.39 4.11 26.00 13.76 15.70 11.66 450 490
U.74.40.12 74 40 2 1.2 1.73 30.26 12.91 36.40 9.78 25.29 0.00 78.88 26.67 15.84 2.88 0.98 3.12 0.47 0.84 36.40 6.62 12.72 1.51 450 490
U.74.50.12 74 50 2 1.2 1.96 31.05 16.42 36.40 13.73 34.04 0.00 89.28 49.06 18.92 5.29 1.02 3.32 0.71 1.28 36.40 7.88 14.15 2.76 450 490
U.74.70.12 74 70 2 1.2 2.43 32.14 23.26 36.40 22.23 52.29 0.00 110.10 123.69 25.07 13.13 1.06 3.32 1.29 2.44 36.40 10.10 15.53 6.82 450 490
U.74.70.20 74 70 2 2 4.04 31.93 23.21 36.00 21.79 52.04 0.00 527.07 200.17 41.16 21.75 2.68 7.62 2.43 4.23 36.00 12.65 31.80 12.45 450 490
U.104.40.12 104 40 2 1.2 2.08 40.83 12.38 51.40 8.14 22.27 0.00 94.49 59.53 34.66 3.19 1.00 4.78 0.47 0.84 51.40 6.31 27.64 1.56 450 490
U.104.50.12 104 50 2 1.2 2.31 42.01 15.97 51.40 11.66 30.44 0.00 104.89 108.99 40.78 5.89 1.03 5.01 0.70 1.30 51.40 7.51 30.22 2.87 450 490
U.104.50.15 104 50 2 1.5 2.89 41.95 15.94 51.25 11.51 30.34 0.00 208.51 135.04 50.88 7.35 1.56 7.23 0.93 1.65 51.25 8.15 41.19 3.77 450 490
U.104.70.12 104 70 2 1.2 2.77 43.72 23.02 51.40 19.44 47.76 0.00 125.70 271.88 53.04 14.71 1.07 4.86 1.26 2.46 51.40 9.61 32.31 7.04 450 490
U.104.70.20 104 70 2 2 4.63 43.54 22.96 51.00 19.02 47.50 0.00 602.36 443.47 87.71 24.39 2.78 11.87 2.44 4.29 51.00 11.86 68.94 13.21 450 490
U.154.40.12 154 40 2 1.2 2.66 57.48 11.51 76.40 6.37 18.66 0.00 120.50 150.10 87.85 3.52 1.01 7.27 0.45 0.85 76.40 6.02 65.28 1.58 450 490
U.154.50.12 154 50 2 1.2 2.89 59.22 15.08 76.40 9.32 25.99 0.00 130.91 274.58 101.39 6.57 1.04 7.61 0.69 1.30 76.40 7.15 70.67 2.94 450 490
U.154.50.15 154 50 2 1.5 3.62 59.17 15.05 76.25 9.19 25.90 0.00 260.38 341.02 126.77 8.20 1.58 11.32 0.91 1.66 76.25 7.74 98.69 3.87 450 490
U.154.70.12 154 70 2 1.2 3.35 61.88 22.26 76.40 16.08 41.90 0.00 151.72 680.50 128.47 16.62 1.08 7.41 1.13 2.47 76.40 9.14 74.67 6.68 450 490
U.154.70.20 154 70 2 2 5.61 61.73 22.18 76.00 15.69 41.64 0.00 727.86 1117.06 213.62 27.58 2.85 20.24 2.42 4.34 76.00 11.17 171.67 13.85 450 490
U.204.40.12 204 40 2 1.2 3.24 73.43 10.74 101.40 5.23 16.11 0.00 146.52 289.64 174.62 3.73 1.01 9.84 0.44 0.85 101.40 5.84 121.21 1.58 450 490
U.204.50.12 204 50 2 1.2 3.47 75.62 14.23 101.40 7.76 22.75 0.00 156.92 531.23 198.47 7.03 1.05 10.28 0.67 1.31 101.40 6.93 130.21 2.96 450 490
U.204.50.15 204 50 2 1.5 4.35 75.57 14.20 101.25 7.65 22.66 0.00 312.25 660.59 248.47 8.77 1.59 15.29 0.89 1.67 101.25 7.49 182.91 3.90 450 490
U.204.70.12 204 70 2 1.2 3.93 79.10 21.37 101.40 13.71 37.43 0.00 177.73 1316.56 246.18 17.97 1.09 10.04 1.03 2.48 101.40 8.83 136.28 6.34 450 490
U.204.70.20 204 70 2 2 6.59 78.96 21.29 101.00 13.36 37.18 0.00 853.35 2168.21 410.58 29.84 2.87 27.26 2.38 4.37 101.00 10.77 316.54 14.13 450 490