I 450x250x8x12 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 450x250x8x12 (México) · Doble T I 450x250x8x12 (Argentina / LATAM) · UB 450 (UK / Australia)

The I 450x250x8x12 steel profile weighs 73.9 kg/m (49.64 lb/ft), has a depth of 450 mm (17.72 in), flange width 250 mm (9.84 in). Cross-sectional area: 9,408 mm². Moment of inertia Ix = 33,937.718 cm⁴, Iy = 3,126.818 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	450 mm	17.72 in
Width (b)	250 mm	9.84 in
Web thickness (tw)	8 mm	0.31 in
Flange thickness (tf)	12 mm	0.47 in
Weight	73.9 kg/m	49.64 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	9,408 mm²	14.582 in²
Moment of inertia (Ix)	33,937.72 cm⁴	815.35 in⁴
Moment of inertia (Iy)	3,126.82 cm⁴	75.12 in⁴
Elastic section modulus (Sx)	1,508.34 cm³	92.045 in³
Elastic section modulus (Sy)	250.15 cm³	15.265 in³
Plastic section modulus (Zx)	1,676.95 cm³	102.334 in³
Plastic section modulus (Zy)	381.82 cm³	23.300 in³
Radius of gyration (rx)	18.99 cm	7.478 in
Radius of gyration (ry)	5.77 cm	2.270 in