I 300x250x6x20 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 300x250x6x20 (México) · Doble T I 300x250x6x20 (Argentina / LATAM) · UB 300 (UK / Australia)

The I 300x250x6x20 steel profile weighs 90.8 kg/m (60.98 lb/ft), has a depth of 300 mm (11.81 in), flange width 250 mm (9.84 in). Cross-sectional area: 11,560 mm². Moment of inertia Ix = 20,512.133 cm⁴, Iy = 5,208.801 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	300 mm	11.81 in
Width (b)	250 mm	9.84 in
Web thickness (tw)	6 mm	0.24 in
Flange thickness (tf)	20 mm	0.79 in
Weight	90.8 kg/m	60.98 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	11,560 mm²	17.918 in²
Moment of inertia (Ix)	20,512.13 cm⁴	492.80 in⁴
Moment of inertia (Iy)	5,208.8 cm⁴	125.14 in⁴
Elastic section modulus (Sx)	1,367.48 cm³	83.449 in³
Elastic section modulus (Sy)	416.7 cm³	25.429 in³
Plastic section modulus (Zx)	1,501.4 cm³	91.621 in³
Plastic section modulus (Zy)	627.34 cm³	38.283 in³
Radius of gyration (rx)	13.32 cm	5.244 in
Radius of gyration (ry)	6.71 cm	2.643 in