VS 1300x281 Usiminas · Weight & Dimensions

Usiminas, 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: VS 1300x281 (México) · Doble T VS 1300x281 (Argentina / LATAM) · UB 1300 (UK / Australia)

The VS 1300x281 steel profile weighs 281.4 kg/m (189.11 lb/ft), has a depth of 1300 mm (51.18 in), flange width 450 mm (17.72 in). Cross-sectional area: 35,850 mm². Moment of inertia Ix = 1,028,744.383 cm⁴, Iy = 34,040.43 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	1300 mm	51.18 in
Width (b)	450 mm	17.72 in
Web thickness (tw)	12.5 mm	0.49 in
Flange thickness (tf)	22.4 mm	0.88 in
Weight	281.4 kg/m	189.11 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	35,850 mm²	55.567 in²
Moment of inertia (Ix)	1,028,744.38 cm⁴	24715.58 in⁴
Moment of inertia (Iy)	34,040.43 cm⁴	817.82 in⁴
Elastic section modulus (Sx)	15,826.84 cm³	965.817 in³
Elastic section modulus (Sy)	1,512.91 cm³	92.324 in³
Plastic section modulus (Zx)	17,801.73 cm³	1086.333 in³
Plastic section modulus (Zy)	2,317.03 cm³	141.395 in³
Radius of gyration (rx)	53.57 cm	21.090 in
Radius of gyration (ry)	9.74 cm	3.836 in