VS 850x139 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 850x139 (México) · Doble T VS 850x139 (Argentina / LATAM) · UB 850 (UK / Australia)

The VS 850x139 steel profile weighs 139.3 kg/m (93.60 lb/ft), has a depth of 850 mm (33.46 in), flange width 350 mm (13.78 in). Cross-sectional area: 17,744 mm². Moment of inertia Ix = 231,269.135 cm⁴, Iy = 11,436.823 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	850 mm	33.46 in
Width (b)	350 mm	13.78 in
Web thickness (tw)	8 mm	0.31 in
Flange thickness (tf)	16 mm	0.63 in
Weight	139.3 kg/m	93.60 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	17,744 mm²	27.503 in²
Moment of inertia (Ix)	231,269.14 cm⁴	5556.24 in⁴
Moment of inertia (Iy)	11,436.82 cm⁴	274.77 in⁴
Elastic section modulus (Sx)	5,441.63 cm³	332.070 in³
Elastic section modulus (Sy)	653.53 cm³	39.881 in³
Plastic section modulus (Zx)	6,008.65 cm³	366.672 in³
Plastic section modulus (Zy)	993.09 cm³	60.602 in³
Radius of gyration (rx)	36.1 cm	14.213 in
Radius of gyration (ry)	8.03 cm	3.161 in