L 125x75x12 British Steel · Weight & Dimensions

British Steel, 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 125x75x12 (UK)

The L 125x75x12 steel profile weighs 17.8 kg/m (11.98 lb/ft), has a depth of 125 mm (4.92 in), flange width 75 mm (2.95 in). Cross-sectional area: 2,281.967 mm². Moment of inertia Ix = 356.737 cm⁴, Iy = 97.501 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	125 mm	4.92 in
Width (b)	75 mm	2.95 in
Thickness (t)	12 mm	0.47 in
Fillet radius (r)	11 mm	0.43 in
Weight	17.8 kg/m	11.98 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,281.97 mm²	3.537 in²
Moment of inertia (Ix)	356.74 cm⁴	8.57 in⁴
Moment of inertia (Iy)	97.5 cm⁴	2.34 in⁴
Elastic section modulus (Sx)	43.54 cm³	2.657 in³
Elastic section modulus (Sy)	17.21 cm³	1.050 in³
Plastic section modulus (Zx)	65.31 cm³	3.986 in³
Plastic section modulus (Zy)	25.82 cm³	1.576 in³
Radius of gyration (rx)	3.95 cm	1.557 in
Radius of gyration (ry)	2.07 cm	0.814 in