I 270x135x6.3x12.5 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.

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Also known as: I 270x135x6.3x12.5 (México) · Doble T I 270x135x6.3x12.5 (Argentina / LATAM) · UB 270 (UK / Australia)

The I 270x135x6.3x12.5 steel profile weighs 38.6 kg/m (25.95 lb/ft), has a depth of 270 mm (10.63 in), flange width 135 mm (5.31 in). Cross-sectional area: 4,918.5 mm². Moment of inertia Ix = 6,371.056 cm⁴, Iy = 513.089 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	270 mm	10.63 in
Width (b)	135 mm	5.31 in
Web thickness (tw)	6.3 mm	0.25 in
Flange thickness (tf)	12.5 mm	0.49 in
Weight	38.6 kg/m	25.95 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	4,918.5 mm²	7.624 in²
Moment of inertia (Ix)	6,371.06 cm⁴	153.06 in⁴
Moment of inertia (Iy)	513.09 cm⁴	12.33 in⁴
Elastic section modulus (Sx)	471.93 cm³	28.799 in³
Elastic section modulus (Sy)	76.01 cm³	4.639 in³
Plastic section modulus (Zx)	529.07 cm³	32.286 in³
Plastic section modulus (Zy)	116.34 cm³	7.099 in³
Radius of gyration (rx)	11.38 cm	4.481 in
Radius of gyration (ry)	3.23 cm	1.272 in