W 276 x 131,9 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 276 x 131,9 (México) · Doble T 276 x 131,9 (Argentina / LATAM) · UB 276.4 (UK / Australia)

The W 276 x 131,9 steel profile weighs 131.9 kg/m (88.62 lb/ft), has a depth of 276.4 mm (10.88 in), flange width 261 mm (10.28 in). Cross-sectional area: 16,769.373 mm². Moment of inertia Ix = 22,427.449 cm⁴, Iy = 7,446.593 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	276.4 mm	10.88 in
Width (b)	261 mm	10.28 in
Web thickness (tw)	15.6 mm	0.61 in
Flange thickness (tf)	25.1 mm	0.99 in
Fillet radius (r)	12.7 mm	0.50 in
Weight	131.9 kg/m	88.62 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	16,769.37 mm²	25.993 in²
Moment of inertia (Ix)	22,427.45 cm⁴	538.82 in⁴
Moment of inertia (Iy)	7,446.59 cm⁴	178.90 in⁴
Elastic section modulus (Sx)	1,622.83 cm³	99.031 in³
Elastic section modulus (Sy)	570.62 cm³	34.822 in³
Plastic section modulus (Zx)	1,861.11 cm³	113.572 in³
Plastic section modulus (Zy)	870.15 cm³	53.100 in³
Radius of gyration (rx)	11.56 cm	4.553 in
Radius of gyration (ry)	6.66 cm	2.624 in