I 350x300x6x16 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 350x300x6x16 (México) · Doble T I 350x300x6x16 (Argentina / LATAM) · UB 350 (UK / Australia)

The I 350x300x6x16 steel profile weighs 90.3 kg/m (60.72 lb/ft), has a depth of 350 mm (13.78 in), flange width 300 mm (11.81 in). Cross-sectional area: 11,508 mm². Moment of inertia Ix = 28,401.792 cm⁴, Iy = 7,200.572 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	350 mm	13.78 in
Width (b)	300 mm	11.81 in
Web thickness (tw)	6 mm	0.24 in
Flange thickness (tf)	16 mm	0.63 in
Weight	90.3 kg/m	60.72 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	11,508 mm²	17.837 in²
Moment of inertia (Ix)	28,401.79 cm⁴	682.35 in⁴
Moment of inertia (Iy)	7,200.57 cm⁴	172.99 in⁴
Elastic section modulus (Sx)	1,622.96 cm³	99.039 in³
Elastic section modulus (Sy)	480.04 cm³	29.294 in³
Plastic section modulus (Zx)	1,754.89 cm³	107.090 in³
Plastic section modulus (Zy)	722.86 cm³	44.112 in³
Radius of gyration (rx)	15.71 cm	6.185 in
Radius of gyration (ry)	7.91 cm	3.114 in