L 120x80x12 IS · Weight & Dimensions

IS, hot-rolled sections · Angle Section

Angle sections (L shapes) are used for bracing, connections, lintels, and built-up members. Available in equal and unequal leg configurations.

Also known as: RSA 120x80x12 (UK)

The L 120x80x12 steel profile weighs 17.8 kg/m (11.98 lb/ft), has a depth of 120 mm (4.72 in), flange width 80 mm (3.15 in). Cross-sectional area: 2,256 mm². Moment of inertia Ix = 325.659 cm⁴, Iy = 116.507 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	120 mm	4.72 in
Width (b)	80 mm	3.15 in
Thickness (t)	12 mm	0.47 in
Weight	17.8 kg/m	11.98 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,256 mm²	3.497 in²
Moment of inertia (Ix)	325.66 cm⁴	7.82 in⁴
Moment of inertia (Iy)	116.51 cm⁴	2.80 in⁴
Elastic section modulus (Sx)	40.95 cm³	2.499 in³
Elastic section modulus (Sy)	19.57 cm³	1.194 in³
Plastic section modulus (Zx)	61.42 cm³	3.748 in³
Plastic section modulus (Zy)	29.36 cm³	1.791 in³
Radius of gyration (rx)	3.8 cm	1.496 in
Radius of gyration (ry)	2.27 cm	0.895 in