I 1551x450x12.7x25.4 IMCA · Weight & Dimensions

IMCA, 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 1551x450x12.7x25.4 (México) · Doble T I 1551x450x12.7x25.4 (Argentina / LATAM) · UB 1551 (UK / Australia)

The I 1551x450x12.7x25.4 steel profile weighs 329.0 kg/m (221.08 lb/ft), has a depth of 1551 mm (61.06 in), flange width 450 mm (17.72 in). Cross-sectional area: 41,912.54 mm². Moment of inertia Ix = 1,687,594.035 cm⁴, Iy = 38,601.858 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	1551 mm	61.06 in
Width (b)	450 mm	17.72 in
Web thickness (tw)	12.7 mm	0.50 in
Flange thickness (tf)	25.4 mm	1.00 in
Weight	329.0 kg/m	221.08 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	41,912.54 mm²	64.964 in²
Moment of inertia (Ix)	1,687,594.04 cm⁴	40544.45 in⁴
Moment of inertia (Iy)	38,601.86 cm⁴	927.41 in⁴
Elastic section modulus (Sx)	21,761.37 cm³	1327.966 in³
Elastic section modulus (Sy)	1,715.64 cm³	104.695 in³
Plastic section modulus (Zx)	24,583.26 cm³	1500.169 in³
Plastic section modulus (Zy)	2,632.24 cm³	160.630 in³
Radius of gyration (rx)	63.45 cm	24.982 in
Radius of gyration (ry)	9.6 cm	3.778 in