I 770x268x20x25 IAS · Weight & Dimensions

IAS, welded 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: I 770x268x20x25 (México) · Doble T I 770x268x20x25 (Argentina / LATAM) · UB 770 (UK / Australia)

The I 770x268x20x25 steel profile weighs 218.2 kg/m (146.65 lb/ft), has a depth of 770 mm (30.31 in), flange width 268 mm (10.55 in). Cross-sectional area: 27,800 mm². Moment of inertia Ix = 248,211.167 cm⁴, Iy = 8,068.347 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	770 mm	30.31 in
Width (b)	268 mm	10.55 in
Web thickness (tw)	20 mm	0.79 in
Flange thickness (tf)	25 mm	0.98 in
Weight	218.2 kg/m	146.65 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	27,800 mm²	43.090 in²
Moment of inertia (Ix)	248,211.17 cm⁴	5963.27 in⁴
Moment of inertia (Iy)	8,068.35 cm⁴	193.84 in⁴
Elastic section modulus (Sx)	6,447.04 cm³	393.424 in³
Elastic section modulus (Sy)	602.12 cm³	36.743 in³
Plastic section modulus (Zx)	7,583.5 cm³	462.776 in³
Plastic section modulus (Zy)	969.8 cm³	59.181 in³
Radius of gyration (rx)	29.88 cm	11.764 in
Radius of gyration (ry)	5.39 cm	2.121 in