I 300x250x6x12 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 300x250x6x12 (México) · Doble T I 300x250x6x12 (Argentina / LATAM) · UB 300 (UK / Australia)

The I 300x250x6x12 steel profile weighs 60.1 kg/m (40.41 lb/ft), has a depth of 300 mm (11.81 in), flange width 250 mm (9.84 in). Cross-sectional area: 7,656 mm². Moment of inertia Ix = 13,500.029 cm⁴, Iy = 3,125.497 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)	12 mm	0.47 in
Weight	60.1 kg/m	40.41 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	7,656 mm²	11.867 in²
Moment of inertia (Ix)	13,500.03 cm⁴	324.34 in⁴
Moment of inertia (Iy)	3,125.5 cm⁴	75.09 in⁴
Elastic section modulus (Sx)	900 cm³	54.922 in³
Elastic section modulus (Sy)	250.04 cm³	15.258 in³
Plastic section modulus (Zx)	978.26 cm³	59.698 in³
Plastic section modulus (Zy)	377.48 cm³	23.036 in³
Radius of gyration (rx)	13.28 cm	5.228 in
Radius of gyration (ry)	6.39 cm	2.515 in