VS 1300x344 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 1300x344 (México) · Doble T VS 1300x344 (Argentina / LATAM) · UB 1300 (UK / Australia)

The VS 1300x344 steel profile weighs 343.9 kg/m (231.12 lb/ft), has a depth of 1300 mm (51.18 in), flange width 450 mm (17.72 in). Cross-sectional area: 43,812.5 mm². Moment of inertia Ix = 1,337,847.203 cm⁴, Iy = 47,860.758 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)	31.5 mm	1.24 in
Weight	343.9 kg/m	231.12 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	43,812.5 mm²	67.909 in²
Moment of inertia (Ix)	1,337,847.2 cm⁴	32141.78 in⁴
Moment of inertia (Iy)	47,860.76 cm⁴	1149.85 in⁴
Elastic section modulus (Sx)	20,582.26 cm³	1256.012 in³
Elastic section modulus (Sy)	2,127.14 cm³	129.807 in³
Plastic section modulus (Zx)	22,762.77 cm³	1389.075 in³
Plastic section modulus (Zy)	3,237.7 cm³	197.577 in³
Radius of gyration (rx)	55.26 cm	21.756 in
Radius of gyration (ry)	10.45 cm	4.115 in