W 252 x 31,3 SAISC · Weight & Dimensions

SAISC, hot-rolled sections · Wide Flange (I-beam)

Wide flange beams (W shapes / I-beams) are the most common structural steel profile used in building construction. They are used for beams, columns, and girders in steel-framed buildings and bridges. Designed per AISC 360, Eurocode 3, and NBR 8800.

Also known as: IPR 252 x 31,3 (México) · Doble T 252 x 31,3 (Argentina / LATAM) · UB 251.5 (UK / Australia)

The W 252 x 31,3 steel profile weighs 31.3 kg/m (21.05 lb/ft), has a depth of 251.5 mm (9.90 in), flange width 146.1 mm (5.75 in). Cross-sectional area: 3,968.302 mm². Moment of inertia Ix = 4,417.343 cm⁴, Iy = 447.531 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	251.5 mm	9.90 in
Width (b)	146.1 mm	5.75 in
Web thickness (tw)	6 mm	0.24 in
Flange thickness (tf)	8.6 mm	0.34 in
Fillet radius (r)	7.6 mm	0.30 in
Weight	31.3 kg/m	21.05 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	3,968.3 mm²	6.151 in²
Moment of inertia (Ix)	4,417.34 cm⁴	106.13 in⁴
Moment of inertia (Iy)	447.53 cm⁴	10.75 in⁴
Elastic section modulus (Sx)	351.28 cm³	21.436 in³
Elastic section modulus (Sy)	61.26 cm³	3.739 in³
Plastic section modulus (Zx)	393.26 cm³	23.998 in³
Plastic section modulus (Zy)	94.13 cm³	5.744 in³
Radius of gyration (rx)	10.55 cm	4.154 in
Radius of gyration (ry)	3.36 cm	1.322 in