I 1000x300x20x40 IAS · Weight & Dimensions

IAS, 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.

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Also known as: I 1000x300x20x40 (México) · Doble T I 1000x300x20x40 (Argentina / LATAM) · UB 1000 (UK / Australia)

The I 1000x300x20x40 steel profile weighs 332.8 kg/m (223.67 lb/ft), has a depth of 1000 mm (39.37 in), flange width 300 mm (11.81 in). Cross-sectional area: 42,400 mm². Moment of inertia Ix = 683,061.333 cm⁴, Iy = 18,061.333 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	1000 mm	39.37 in
Width (b)	300 mm	11.81 in
Web thickness (tw)	20 mm	0.79 in
Flange thickness (tf)	40 mm	1.57 in
Weight	332.8 kg/m	223.67 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	42,400 mm²	65.720 in²
Moment of inertia (Ix)	683,061.33 cm⁴	16410.55 in⁴
Moment of inertia (Iy)	18,061.33 cm⁴	433.92 in⁴
Elastic section modulus (Sx)	13,661.23 cm³	833.663 in³
Elastic section modulus (Sy)	1,204.09 cm³	73.478 in³
Plastic section modulus (Zx)	15,752 cm³	961.250 in³
Plastic section modulus (Zy)	1,892 cm³	115.457 in³
Radius of gyration (rx)	40.14 cm	15.802 in
Radius of gyration (ry)	6.53 cm	2.570 in