I 550x200x6x12 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 550x200x6x12 (México) · Doble T I 550x200x6x12 (Argentina / LATAM) · UB 550 (UK / Australia)

The I 550x200x6x12 steel profile weighs 62.5 kg/m (41.99 lb/ft), has a depth of 550 mm (21.65 in), flange width 200 mm (7.87 in). Cross-sectional area: 7,956 mm². Moment of inertia Ix = 42,015.619 cm⁴, Iy = 1,600.947 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	550 mm	21.65 in
Width (b)	200 mm	7.87 in
Web thickness (tw)	6 mm	0.24 in
Flange thickness (tf)	12 mm	0.47 in
Weight	62.5 kg/m	41.99 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	7,956 mm²	12.332 in²
Moment of inertia (Ix)	42,015.62 cm⁴	1009.43 in⁴
Moment of inertia (Iy)	1,600.95 cm⁴	38.46 in⁴
Elastic section modulus (Sx)	1,527.84 cm³	93.235 in³
Elastic section modulus (Sy)	160.09 cm³	9.770 in³
Plastic section modulus (Zx)	1,706.21 cm³	104.120 in³
Plastic section modulus (Zy)	244.73 cm³	14.935 in³
Radius of gyration (rx)	22.98 cm	9.047 in
Radius of gyration (ry)	4.49 cm	1.766 in