I 800x300x10x18 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 800x300x10x18 (México) · Doble T I 800x300x10x18 (Argentina / LATAM) · UB 800 (UK / Australia)

The I 800x300x10x18 steel profile weighs 144.8 kg/m (97.27 lb/ft), has a depth of 800 mm (31.50 in), flange width 300 mm (11.81 in). Cross-sectional area: 18,440 mm². Moment of inertia Ix = 202,302.619 cm⁴, Iy = 8,106.367 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	800 mm	31.50 in
Width (b)	300 mm	11.81 in
Web thickness (tw)	10 mm	0.39 in
Flange thickness (tf)	18 mm	0.71 in
Weight	144.8 kg/m	97.27 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	18,440 mm²	28.582 in²
Moment of inertia (Ix)	202,302.62 cm⁴	4860.32 in⁴
Moment of inertia (Iy)	8,106.37 cm⁴	194.76 in⁴
Elastic section modulus (Sx)	5,057.57 cm³	308.633 in³
Elastic section modulus (Sy)	540.42 cm³	32.979 in³
Plastic section modulus (Zx)	5,682.04 cm³	346.741 in³
Plastic section modulus (Zy)	829.1 cm³	50.595 in³
Radius of gyration (rx)	33.12 cm	13.040 in
Radius of gyration (ry)	6.63 cm	2.610 in