I 837x490x25x50 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 837x490x25x50 (México) · Doble T I 837x490x25x50 (Argentina / LATAM) · UB 837 (UK / Australia)

The I 837x490x25x50 steel profile weighs 529.3 kg/m (355.68 lb/ft), has a depth of 837 mm (32.95 in), flange width 490 mm (19.29 in). Cross-sectional area: 67,425 mm². Moment of inertia Ix = 843,146.932 cm⁴, Iy = 98,136.797 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	837 mm	32.95 in
Width (b)	490 mm	19.29 in
Web thickness (tw)	25 mm	0.98 in
Flange thickness (tf)	50 mm	1.97 in
Weight	529.3 kg/m	355.68 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	67,425 mm²	104.509 in²
Moment of inertia (Ix)	843,146.93 cm⁴	20256.61 in⁴
Moment of inertia (Iy)	98,136.8 cm⁴	2357.74 in⁴
Elastic section modulus (Sx)	20,146.88 cm³	1229.443 in³
Elastic section modulus (Sy)	4,005.58 cm³	244.437 in³
Plastic section modulus (Zx)	22,676.31 cm³	1383.799 in³
Plastic section modulus (Zy)	6,117.66 cm³	373.324 in³
Radius of gyration (rx)	35.36 cm	13.922 in
Radius of gyration (ry)	12.06 cm	4.750 in