I 300x150x6x12 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 300x150x6x12 (México) · Doble T I 300x150x6x12 (Argentina / LATAM) · UB 300 (UK / Australia)

The I 300x150x6x12 steel profile weighs 41.3 kg/m (27.75 lb/ft), has a depth of 300 mm (11.81 in), flange width 150 mm (5.91 in). Cross-sectional area: 5,256 mm². Moment of inertia Ix = 8,520.509 cm⁴, Iy = 675.497 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)	6 mm	0.24 in
Flange thickness (tf)	12 mm	0.47 in
Weight	41.3 kg/m	27.75 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	5,256 mm²	8.147 in²
Moment of inertia (Ix)	8,520.51 cm⁴	204.71 in⁴
Moment of inertia (Iy)	675.5 cm⁴	16.23 in⁴
Elastic section modulus (Sx)	568.03 cm³	34.664 in³
Elastic section modulus (Sy)	90.07 cm³	5.496 in³
Plastic section modulus (Zx)	632.66 cm³	38.608 in³
Plastic section modulus (Zy)	137.48 cm³	8.390 in³
Radius of gyration (rx)	12.73 cm	5.013 in
Radius of gyration (ry)	3.58 cm	1.411 in