I 400x200x5x12 Cintac · Weight & Dimensions

Cintac, 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 400x200x5x12 (México) · Doble T I 400x200x5x12 (Argentina / LATAM) · UB 400 (UK / Australia)

The I 400x200x5x12 steel profile weighs 52.4 kg/m (35.24 lb/ft), has a depth of 400 mm (15.75 in), flange width 200 mm (7.87 in). Cross-sectional area: 6,680 mm². Moment of inertia Ix = 20,285.931 cm⁴, Iy = 1,600.392 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	400 mm	15.75 in
Width (b)	200 mm	7.87 in
Web thickness (tw)	5 mm	0.20 in
Flange thickness (tf)	12 mm	0.47 in
Weight	52.4 kg/m	35.24 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	6,680 mm²	10.354 in²
Moment of inertia (Ix)	20,285.93 cm⁴	487.37 in⁴
Moment of inertia (Iy)	1,600.39 cm⁴	38.45 in⁴
Elastic section modulus (Sx)	1,014.3 cm³	61.896 in³
Elastic section modulus (Sy)	160.04 cm³	9.766 in³
Plastic section modulus (Zx)	1,107.92 cm³	67.610 in³
Plastic section modulus (Zy)	242.35 cm³	14.789 in³
Radius of gyration (rx)	17.43 cm	6.861 in
Radius of gyration (ry)	4.89 cm	1.927 in