W 530 x 66,0 Gerdau · Weight & Dimensions

Gerdau · 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: IPR 530 x 66,0 (México) · Doble T 530 x 66,0 (Argentina / LATAM) · UB 525 (UK / Australia)

The W 530 x 66,0 steel profile weighs 66.0 kg/m (44.35 lb/ft), has a depth of 525 mm (20.67 in), flange width 165 mm (6.50 in). Cross-sectional area: 8,355.191 mm². Moment of inertia Ix = 34,969.69 cm⁴, Iy = 857.145 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	525 mm	20.67 in
Width (b)	165 mm	6.50 in
Web thickness (tw)	8.9 mm	0.35 in
Flange thickness (tf)	11.4 mm	0.45 in
Fillet radius (r)	12 mm	0.47 in
Weight	66.0 kg/m	44.35 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	8,355.19 mm²	12.951 in²
Moment of inertia (Ix)	34,969.69 cm⁴	840.15 in⁴
Moment of inertia (Iy)	857.15 cm⁴	20.59 in⁴
Elastic section modulus (Sx)	1,332.18 cm³	81.295 in³
Elastic section modulus (Sy)	103.9 cm³	6.340 in³
Plastic section modulus (Zx)	1,557.94 cm³	95.072 in³
Plastic section modulus (Zy)	166.01 cm³	10.131 in³
Radius of gyration (rx)	20.46 cm	8.054 in
Radius of gyration (ry)	3.2 cm	1.261 in