I 400x300x6x14 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 400x300x6x14 (México) · Doble T I 400x300x6x14 (Argentina / LATAM) · UB 400 (UK / Australia)

The I 400x300x6x14 steel profile weighs 83.5 kg/m (56.08 lb/ft), has a depth of 400 mm (15.75 in), flange width 300 mm (11.81 in). Cross-sectional area: 10,632 mm². Moment of inertia Ix = 33,876.822 cm⁴, Iy = 6,300.67 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	400 mm	15.75 in
Width (b)	300 mm	11.81 in
Web thickness (tw)	6 mm	0.24 in
Flange thickness (tf)	14 mm	0.55 in
Weight	83.5 kg/m	56.08 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	10,632 mm²	16.480 in²
Moment of inertia (Ix)	33,876.82 cm⁴	813.89 in⁴
Moment of inertia (Iy)	6,300.67 cm⁴	151.37 in⁴
Elastic section modulus (Sx)	1,693.84 cm³	103.365 in³
Elastic section modulus (Sy)	420.04 cm³	25.633 in³
Plastic section modulus (Zx)	1,828.78 cm³	111.599 in³
Plastic section modulus (Zy)	633.35 cm³	38.649 in³
Radius of gyration (rx)	17.85 cm	7.028 in
Radius of gyration (ry)	7.7 cm	3.031 in