I 358x172x8x15.5 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 358x172x8x15.5 (México) · Doble T I 358x172x8x15.5 (Argentina / LATAM) · UB 358 (UK / Australia)

The I 358x172x8x15.5 steel profile weighs 62.4 kg/m (41.93 lb/ft), has a depth of 358 mm (14.09 in), flange width 172 mm (6.77 in). Cross-sectional area: 7,948 mm². Moment of inertia Ix = 17,978.65 cm⁴, Iy = 1,315.911 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	358 mm	14.09 in
Width (b)	172 mm	6.77 in
Web thickness (tw)	8 mm	0.31 in
Flange thickness (tf)	15.5 mm	0.61 in
Weight	62.4 kg/m	41.93 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	7,948 mm²	12.319 in²
Moment of inertia (Ix)	17,978.65 cm⁴	431.94 in⁴
Moment of inertia (Iy)	1,315.91 cm⁴	31.61 in⁴
Elastic section modulus (Sx)	1,004.39 cm³	61.292 in³
Elastic section modulus (Sy)	153.01 cm³	9.337 in³
Plastic section modulus (Zx)	1,126.96 cm³	68.772 in³
Plastic section modulus (Zy)	234.51 cm³	14.311 in³
Radius of gyration (rx)	15.04 cm	5.921 in
Radius of gyration (ry)	4.07 cm	1.602 in