W 870 x 198,0 Arval · Weight & Dimensions

Arval, 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 870 x 198,0 (México) · Doble T 870 x 198,0 (Argentina / LATAM) · UB 870 (UK / Australia)

The W 870 x 198,0 steel profile weighs 198.0 kg/m (133.04 lb/ft), has a depth of 870 mm (34.25 in), flange width 300 mm (11.81 in). Cross-sectional area: 25,222.567 mm². Moment of inertia Ix = 301,145.126 cm⁴, Iy = 9,041.369 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	870 mm	34.25 in
Width (b)	300 mm	11.81 in
Web thickness (tw)	15 mm	0.59 in
Flange thickness (tf)	20 mm	0.79 in
Fillet radius (r)	30 mm	1.18 in
Weight	198.0 kg/m	133.04 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	25,222.57 mm²	39.095 in²
Moment of inertia (Ix)	301,145.13 cm⁴	7235.01 in⁴
Moment of inertia (Iy)	9,041.37 cm⁴	217.22 in⁴
Elastic section modulus (Sx)	6,922.88 cm³	422.462 in³
Elastic section modulus (Sy)	602.76 cm³	36.783 in³
Plastic section modulus (Zx)	7,998.81 cm³	488.120 in³
Plastic section modulus (Zy)	957.66 cm³	58.440 in³
Radius of gyration (rx)	34.55 cm	13.604 in
Radius of gyration (ry)	5.99 cm	2.357 in