# METRIC STEEL UNEQUAL ANGLE SECTION PROPERTIES

Metric steel unequal angle section properties calculator for second moment of area, elastic section modulus and radius of gyration calculation per EN 10056-1 .

EN 10056-1 standard defines requirements for nominal dimensions of metric hot-rolled equal and unequal leg angles. This standard does not apply unequal angles rolled from stainless steel.

 INPUT PARAMETERS Actual Depth Thickness 30x20 40x20 40x25 45x30 50x30 60x30 60x40 65x50 70x50 75x50 80x40 80x60 100x50 100x65 100x75 120x80 125x75 135x65 150x75 150x90 150x100 200x100 200x150 OUTPUT PARAMETERS Parameter Value Designation --- --- Mass per unit length [M] --- kg/m Cross section area [A] --- cm2 Leg length [a] --- mm Leg length [b] --- Thickness [t] --- Radius [r] --- Distance to Center of Gravity Axis x [cx] --- cm Axis y [cy] --- Axis u [cu] --- Axis v [cv] --- Axis X-X Area moment of inertia about X axis [Ix] --- cm4 Elastic section modulus about X axis [zx] --- cm3 Radius of gyration about X axis [rx] --- cm Axis Y-Y Area moment of inertia about Y axis [Iy] --- cm4 Elastic section modulus about Y axis [zy] --- cm3 Radius of gyration about Y axis [ry] --- cm Axis U-U Area moment of inertia about U axis [Iu] --- cm4 Radius of gyration about U axis [ru] --- cm Axis V-V Area moment of inertia about V axis [Iv] --- cm4 Radius of gyration about V axis [rv] --- cm

Note: Use dot "." as decimal separator.

### Reference:

• EN 10056-1:2006 - Structural Steel Equal And Unequal Leg Angles - Part 1: Dimensions
• SCI (Steel Construction Institute), Steel Designers' Manual , 7th Edition, John Wiley & Sons, 2012.