I 350x250x6x18 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 350x250x6x18 (México) · Doble T I 350x250x6x18 (Argentina / LATAM) · UB 350 (UK / Australia)

The I 350x250x6x18 steel profile weighs 85.4 kg/m (57.40 lb/ft), has a depth of 350 mm (13.78 in), flange width 250 mm (9.84 in). Cross-sectional area: 10,884 mm². Moment of inertia Ix = 26,372.657 cm⁴, Iy = 4,688.065 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	350 mm	13.78 in
Width (b)	250 mm	9.84 in
Web thickness (tw)	6 mm	0.24 in
Flange thickness (tf)	18 mm	0.71 in
Weight	85.4 kg/m	57.40 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	10,884 mm²	16.870 in²
Moment of inertia (Ix)	26,372.66 cm⁴	633.60 in⁴
Moment of inertia (Iy)	4,688.07 cm⁴	112.63 in⁴
Elastic section modulus (Sx)	1,507.01 cm³	91.964 in³
Elastic section modulus (Sy)	375.05 cm³	22.887 in³
Plastic section modulus (Zx)	1,641.89 cm³	100.195 in³
Plastic section modulus (Zy)	565.33 cm³	34.498 in³
Radius of gyration (rx)	15.57 cm	6.128 in
Radius of gyration (ry)	6.56 cm	2.584 in