I 300x300x8x14 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 300x300x8x14 (México) · Doble T I 300x300x8x14 (Argentina / LATAM) · UB 300 (UK / Australia)

The I 300x300x8x14 steel profile weighs 83.0 kg/m (55.81 lb/ft), has a depth of 300 mm (11.81 in), flange width 300 mm (11.81 in). Cross-sectional area: 10,576 mm². Moment of inertia Ix = 18,532.457 cm⁴, Iy = 6,301.161 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	300 mm	11.81 in
Width (b)	300 mm	11.81 in
Web thickness (tw)	8 mm	0.31 in
Flange thickness (tf)	14 mm	0.55 in
Weight	83.0 kg/m	55.81 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	10,576 mm²	16.393 in²
Moment of inertia (Ix)	18,532.46 cm⁴	445.24 in⁴
Moment of inertia (Iy)	6,301.16 cm⁴	151.39 in⁴
Elastic section modulus (Sx)	1,235.5 cm³	75.395 in³
Elastic section modulus (Sy)	420.08 cm³	25.635 in³
Plastic section modulus (Zx)	1,349.17 cm³	82.332 in³
Plastic section modulus (Zy)	634.35 cm³	38.711 in³
Radius of gyration (rx)	13.24 cm	5.212 in
Radius of gyration (ry)	7.72 cm	3.039 in