I 300x250x6x8 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 300x250x6x8 (México) · Doble T I 300x250x6x8 (Argentina / LATAM) · UB 300 (UK / Australia)

The I 300x250x6x8 steel profile weighs 44.8 kg/m (30.07 lb/ft), has a depth of 300 mm (11.81 in), flange width 250 mm (9.84 in). Cross-sectional area: 5,704 mm². Moment of inertia Ix = 9,673.849 cm⁴, Iy = 2,083.845 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)	8 mm	0.31 in
Weight	44.8 kg/m	30.07 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	5,704 mm²	8.841 in²
Moment of inertia (Ix)	9,673.85 cm⁴	232.41 in⁴
Moment of inertia (Iy)	2,083.84 cm⁴	50.06 in⁴
Elastic section modulus (Sx)	644.92 cm³	39.356 in³
Elastic section modulus (Sy)	166.71 cm³	10.173 in³
Plastic section modulus (Zx)	704.98 cm³	43.021 in³
Plastic section modulus (Zy)	252.56 cm³	15.412 in³
Radius of gyration (rx)	13.02 cm	5.127 in
Radius of gyration (ry)	6.04 cm	2.380 in