I 300x150x6x8 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 300x150x6x8 (México) · Doble T I 300x150x6x8 (Argentina / LATAM) · UB 300 (UK / Australia)

The I 300x150x6x8 steel profile weighs 32.2 kg/m (21.63 lb/ft), has a depth of 300 mm (11.81 in), flange width 150 mm (5.91 in). Cross-sectional area: 4,104 mm². Moment of inertia Ix = 6,262.435 cm⁴, Iy = 450.511 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)	8 mm	0.31 in
Weight	32.2 kg/m	21.63 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	4,104 mm²	6.361 in²
Moment of inertia (Ix)	6,262.44 cm⁴	150.46 in⁴
Moment of inertia (Iy)	450.51 cm⁴	10.82 in⁴
Elastic section modulus (Sx)	417.5 cm³	25.477 in³
Elastic section modulus (Sy)	60.07 cm³	3.666 in³
Plastic section modulus (Zx)	471.38 cm³	28.766 in³
Plastic section modulus (Zy)	92.56 cm³	5.648 in³
Radius of gyration (rx)	12.35 cm	4.863 in
Radius of gyration (ry)	3.31 cm	1.304 in