I 450x200x8x12 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 450x200x8x12 (México) · Doble T I 450x200x8x12 (Argentina / LATAM) · UB 450 (UK / Australia)

The I 450x200x8x12 steel profile weighs 64.5 kg/m (43.31 lb/ft), has a depth of 450 mm (17.72 in), flange width 200 mm (7.87 in). Cross-sectional area: 8,208 mm². Moment of inertia Ix = 28,180.958 cm⁴, Iy = 1,601.818 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	450 mm	17.72 in
Width (b)	200 mm	7.87 in
Web thickness (tw)	8 mm	0.31 in
Flange thickness (tf)	12 mm	0.47 in
Weight	64.5 kg/m	43.31 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	8,208 mm²	12.722 in²
Moment of inertia (Ix)	28,180.96 cm⁴	677.05 in⁴
Moment of inertia (Iy)	1,601.82 cm⁴	38.48 in⁴
Elastic section modulus (Sx)	1,252.49 cm³	76.432 in³
Elastic section modulus (Sy)	160.18 cm³	9.775 in³
Plastic section modulus (Zx)	1,414.15 cm³	86.297 in³
Plastic section modulus (Zy)	246.82 cm³	15.062 in³
Radius of gyration (rx)	18.53 cm	7.295 in
Radius of gyration (ry)	4.42 cm	1.739 in