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Steel Angles Dimensions EN/AISC (RSA)

In this article, we show the dimensions of equal and unequal steel angles for construction to the European (EN) and American (AISC) standards. 

STEEL ANGLES EUROPEAN NORMS (EN)

Steel angles can be divided into two main types, equal and unequal. Mild steel angles, also known as angles, angle bars, rolled steel angles (i.e RSA) are widely used in construction, industrial plants, machinery and equipment building, and other uses where structural stability is required by joining steel frames, plates, and other infrastructures.

Equal angle bars, standardized to EN 10056-1 (1998) and tolerances to EN 10056-2 (1993), have two parallel legs of the same length (size), whereas unequal angles have legs of two different sizes. The typical materials for mild steel angles are:

  • EN 10025 S275
  • EN 10025 S355

steel angles dimensions

Difference equal unequal steel angles

EQUAL STEEL ANGLES DIMENSIONS

The table shows the dimensions of equal steel angles per the European norms (steel angle weight in kilograms per meter and surface area in square meters by meter length). Equal steel angles have legs of the same exact size in mm.

Equal Steel Angle

h x b X t (in mm)

surface area in m2 per meterweight in kg/meter
16 x 16 x30.0610.704
20 x 20 x30.0770.902
20 x 20 x40.0771.16
25 x 25 x30.0971.14
25 x 25 x40.0971.49
25 x 25 x50.0971.81
30 x 30 x30.1161.39
30 x 30 x40.1161.81
30 x 30 x50.1162.22
35 x 35 x30.1361.63
35 x 35 x40.1362.13
35 x 35 x50.1362.62
35 x 35 x60.1363.09
40 x 40 x30.1551.88
40 x 40 x40.1552.46
40 x 40 x50.1553.03
40 x 40 x60.1553.58
45 x 45 x50.1743.44
45 x 45 x60.1744.07
50 x 50 x40.1943.11
50 x 50 x50.1943.84
50 x 50 x60.1944.55
50 x 50 x70.1945.25
50 x 50 x80.1945.93
50 x 50 x90.1946.6
55 x 55 x60.2135.05
55 x 55 x80.2136.58
60 x 60 x 60.2335.53
60 x 60 x 70.2336.38
60 x 60 x 80.2337.22
60 x 60 x 100.2338.85
65 x 65 x 60.2526.02
65 x 65 x 70.2526.96
65 x 65 x 80.2527.88
65 x 65 x 90.2528.8
70 x 70 x 70.2727.52
70 x 70 x 80.2728.56
70 x 70 x 90.2729.5
70 x 70 x 100.27210.5
75 x 75 x 60.296.98
75 x 75 x 70.2918.09
75 x 75 x 80.2919.17
75 x 75 x 100.29111.3
75 x 75 x 120.29113.3
80 x 80 x 80.3119.81
80 x 80 x 100.31112.1
80 x 80 x 120.31114.3
90 x 90 x 80.35111.1
90 x 90 x 90.35112.4
90 x 90 x 100.35113.7
90 x 90 x 120.35116.2
100 x 100 x 80.3912.4
100 x 100 x 100.3915.3
100 x 100 x 120.3918.2
100 x 100 x 140.3921
100 x 100 x 150.3922.3
110 x 110 x 100.4316.9
110 x 110 x 120.4320.1
110 x 110 x 140.4323.2
120 x 120 x 100.46918.5
120 x 120 x 110.46920.3
120 x 120 x 120.46922
120 x 120 x 150.46927.1
130 x 130 x 120.50824
130 x 130 x 140.50827.8
140 x 140 x 130.54728
140 x 140 x 150.54732
150 x 150 x 120.58627.9
150 x 150 x 140.58632.2
150 x 150 x 150.58634.4
150 x 150 x 180.58640.8
160 x 160 x 150.62536.8
180 x 180 x 160.70544.3
180 x 180 x 180.70549.5
200 x 200 x 160.78549.4
200 x 200 x 180.78555.3
200 x 200 x 200.78561.1
200 x 200 x 240.78572.5

UNEQUAL STEEL ANGLES DIMENSIONS

The table shows the dimensions of unequal steel angles per the European norms (steel angle weight in kilograms per meter and surface area in square meters by meter length). Unequal steel angles have legs of the two different sizes (one shorter, one longer) in mm.

Unequal Steel Angle Dimensions

h x b x t (in mm)

surface area in m2 per meterweight in kg/meter
30 x 20 x 30.0971.14
30 x 20 x 40.0971.49
40 x 20 x 30.1171.38
40 x 20 x 40.1171.8
40 x 25 x 40.1271.97
45 x 30 x 40.1462.3
45 x 30 x 50.1462.82
50 x 30 x 50.1563.02
50 x 30 x 60.1563.58
50 x 40 x 40.1772.77
50 x 40 x 50.1773.42
50 x 40 x 60.1774.03
60 x 30 x 50.1753.43
60 x 30 x 60.1754.06
60 x 30 x 70.1754.68
60 x 40 x 50.1953.83
60 x 40 x 60.1954.54
60 x 40 x 70.1955.24
65 x 50 x 50.2244.43
65 x 50 x 60.2245.26
65 x 50 x 70.2246.08
65 x 50 x 80.2246.88
75 x 50 x 50.2444.83
75 x 50 x 60.2445.75
75 x 50 x 70.2446.65
75 x 50 x 80.2447.53
75 x 50 x 90.2448.4
75 x 55 x 50.2545.04
75 x 55 x 70.2546.93
75 x 65 x 60.2736.49
75 x 65 x 80.2738.48
75 x 65 x 100.27310.5
80 x 40 x 60.2345.51
80 x 40 x 80.2347.21
80 x 60 x 60.2736.49
80 x 60 x 70.2737.5
80 x 60 x 80.2738.48
80 x 65 x 60.2836.73
80 x 65 x 80.2838.82
80 x 65 x 100.28310.9
90 x 65 x 60.3037.22
90 x 65 x 70.3038.32
90 x 65 x 80.3039.44
90 x 65 x 100.30311.7
100 x 50 x 60.2926.98
100 x 50 x 80.2929.16
100 x 50 x 100.29211.3
100 x 65 x 70.3218.96
100 x 65 x 80.32110.2
100 x 65 x 90.32111.3
100 x 65 x 100.32112.5
100 x 75 x 70.3419.52
100 x 75 x 80.34110.8
100 x 75 x 90.34112.1
100 x 75 x 100.34113.3
100 x 75 x 110.34114.6
100 x 75 x 120.34115.8
120 x 80 x 80.39112.4
120 x 80 x 100.39115.3
120 x 80 x 120.39118.2
130 x 65 x 80.38112.1
130 x 65 x 100.38114.9
130 x 65 x 120.38117.7
130 x 75 x 80.40112.7
130 x 75 x 100.40115.7
130 x 75 x 120.40118.6
130 x 90 x 100.4317
130 x 90 x 120.4320.1
150 x 75 x 90.44115.7
150 x 75 x 100.44117.4
150 x 75 x 110.44118.9
150 x 75 x 120.44120.6
150 x 90 x 100.4718.6
150 x 90 x 120.4722
150 x 90 x 150.4727.1
150 x100 x 100.48919.3
150 x100 x 120.48923
150 x100 x 140.48926.6
160 x 80 x 100.46918.5
160 x 80 x 120.46922
160 x 80 x 140.46925.4
200 x100 x 100.58723.4
200 x100 x 120.58727.8
200 x100 x 150.58734.4

STEEL ANGLES AMERICAN NORMS (AISC A36)

The dimensions of mild steel angles a per the AISC standard are reported below:

 

Steel Angles Size in inches
(in x in)
Steel Angle Dimensions AISCStatic Measures
Angle Legs length (inches)Thickness (inches)Sectional Area
(in2)
Weight
(lbf/ft)
Inertial Moment I
12 x 12121 3/830.9105410.0
121 1/428.396.4377.5
121 1/825.687.2344.1
12122.977.8310.4
10 x 10101 3/825.687.1232.1
101 1/423.579.9215.1
101 1/821.272.3196.2
10119.064.7177.3
107/816.756.9157.6
103/414.449.1137.2
8 x 881 1/816.756.998.0
8115.051.089.0
87/813.245.079.6
83/411.438.969.7
85/89.632.759.4
89/168.729.654.1
81/27.826.448.6
6 x 66111.037.435.5
67/89.733.131.9
63/48.428.728.2
65/87.124.224.2
69/166.421.922.1
61/25.819.619.9
67/165.117.217.7
63/84.414.915.4
65/163.712.413.0
5 x 557/88.027.217.8
53/46.923.615.7
55/85.920.013.6
51/24.816.211.3
57/164.214.310.0
53/83.612.38.74
55/163.010.37.42
4 x 443/45.418.57.67
45/84.615.76.66
41/23.812.85.56
47/163.311.34.97
43/82.99.84.36
45/162.48.23.71
41/41.96.63.04
3 1/2 x 3 1/23 1/21/23.311.13.64
3 1/27/162.99.83.26
3 1/23/82.58.52.87
3 1/25/162.17.22.45
3 1/21/41.75.82.01
3 x 331/22.759.42.22
37/162.438.31.99
33/82.117.21.76
35/161.786.11.51
31/41.444.91.24
33/161.093.70.96
2 1/2 x 2 1/22 1/21/22.257.71.23
2 1/23/81.735.90.98
2 1/25/161.465.00.85
2 1/21/41.194.10.70
2 1/23/160.903.10.55
2 x 223/81.364.70.48
25/161.153.90.42
21/40.943.20.35
23/160.722.40.27
21/80.481.70.19

 

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