SHS 400x400x6.3 Tata Steel Hybox · Weight & Dimensions

Tata Steel Hybox · Square Hollow Section

Square Hollow Sections (SHS) are tubular profiles with equal sides, ideal for columns and compression members due to their uniform buckling resistance in all directions.

Also known as: PTR 400x400 cal 4 (México) · Caño estructural 400x400 (Argentina)

The SHS 400x400x6.3 steel profile weighs 76.8 kg/m (51.61 lb/ft), has a depth of 400 mm (15.75 in), flange width 400 mm (15.75 in). Cross-sectional area: 9,784.959 mm². Moment of inertia Ix = 25,095.551 cm⁴, Iy = 25,095.551 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 6.3 mm ≈ 3 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	400 mm	15.75 in
Width (b)	400 mm	15.75 in
Thickness (t)	6.3 mm	0.25 in
Fillet radius (r)	15.8 mm	0.62 in
Weight	76.8 kg/m	51.61 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	9,784.96 mm²	15.167 in²
Moment of inertia (Ix)	25,095.55 cm⁴	602.92 in⁴
Moment of inertia (Iy)	25,095.55 cm⁴	602.92 in⁴
Elastic section modulus (Sx)	1,254.78 cm³	76.572 in³
Elastic section modulus (Sy)	1,254.78 cm³	76.572 in³
Plastic section modulus (Zx)	1,437.72 cm³	87.735 in³
Plastic section modulus (Zy)	1,437.72 cm³	87.735 in³
Radius of gyration (rx)	16.01 cm	6.305 in
Radius of gyration (ry)	16.01 cm	6.305 in