W 1000 x 259,0 CISC · Weight & Dimensions

CISC, hot-rolled 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: IPR 1000 x 259,0 (México) · Doble T 1000 x 259,0 (Argentina / LATAM) · UB 970 (UK / Australia)

The W 1000 x 259,0 steel profile weighs 259.1 kg/m (174.08 lb/ft), has a depth of 970 mm (38.19 in), flange width 400 mm (15.75 in). Cross-sectional area: 32,961.267 mm². Moment of inertia Ix = 506,003.676 cm⁴, Iy = 22,561.112 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	970 mm	38.19 in
Width (b)	400 mm	15.75 in
Web thickness (tw)	16.5 mm	0.65 in
Flange thickness (tf)	21.1 mm	0.83 in
Fillet radius (r)	30 mm	1.18 in
Weight	259.1 kg/m	174.08 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	32,961.27 mm²	51.090 in²
Moment of inertia (Ix)	506,003.68 cm⁴	12156.74 in⁴
Moment of inertia (Iy)	22,561.11 cm⁴	542.03 in⁴
Elastic section modulus (Sx)	10,433.07 cm³	636.667 in³
Elastic section modulus (Sy)	1,128.06 cm³	68.838 in³
Plastic section modulus (Zx)	11,912.79 cm³	726.966 in³
Plastic section modulus (Zy)	1,762.7 cm³	107.567 in³
Radius of gyration (rx)	39.18 cm	15.426 in
Radius of gyration (ry)	8.27 cm	3.257 in