W 410 x 38,8 Gerdau · Weight & Dimensions

Gerdau · 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 410 x 38,8 (México) · Doble T 410 x 38,8 (Argentina / LATAM) · UB 399 (UK / Australia)

The W 410 x 38,8 steel profile weighs 38.8 kg/m (26.07 lb/ft), has a depth of 399 mm (15.71 in), flange width 140 mm (5.51 in). Cross-sectional area: 5,028.571 mm². Moment of inertia Ix = 12,776.577 cm⁴, Iy = 403.777 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	399 mm	15.71 in
Width (b)	140 mm	5.51 in
Web thickness (tw)	6.4 mm	0.25 in
Flange thickness (tf)	8.8 mm	0.35 in
Fillet radius (r)	12 mm	0.47 in
Weight	38.8 kg/m	26.07 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	5,028.57 mm²	7.794 in²
Moment of inertia (Ix)	12,776.58 cm⁴	306.96 in⁴
Moment of inertia (Iy)	403.78 cm⁴	9.70 in⁴
Elastic section modulus (Sx)	640.43 cm³	39.082 in³
Elastic section modulus (Sy)	57.68 cm³	3.520 in³
Plastic section modulus (Zx)	736.71 cm³	44.957 in³
Plastic section modulus (Zy)	90.87 cm³	5.545 in³
Radius of gyration (rx)	15.94 cm	6.276 in
Radius of gyration (ry)	2.83 cm	1.116 in