I 300x150x5x6 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 300x150x5x6 (México) · Doble T I 300x150x5x6 (Argentina / LATAM) · UB 300 (UK / Australia)

The I 300x150x5x6 steel profile weighs 25.4 kg/m (17.09 lb/ft), has a depth of 300 mm (11.81 in), flange width 150 mm (5.91 in). Cross-sectional area: 3,240 mm². Moment of inertia Ix = 4,885.488 cm⁴, Iy = 337.8 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	300 mm	11.81 in
Width (b)	150 mm	5.91 in
Web thickness (tw)	5 mm	0.20 in
Flange thickness (tf)	6 mm	0.24 in
Weight	25.4 kg/m	17.09 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	3,240 mm²	5.022 in²
Moment of inertia (Ix)	4,885.49 cm⁴	117.37 in⁴
Moment of inertia (Iy)	337.8 cm⁴	8.12 in⁴
Elastic section modulus (Sx)	325.7 cm³	19.875 in³
Elastic section modulus (Sy)	45.04 cm³	2.749 in³
Plastic section modulus (Zx)	368.28 cm³	22.474 in³
Plastic section modulus (Zy)	69.3 cm³	4.229 in³
Radius of gyration (rx)	12.28 cm	4.834 in
Radius of gyration (ry)	3.23 cm	1.271 in