Steel Section Catalog

UC 305x305x137

EN — 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.

The UC 305x305x137 steel profile weighs 136.9 kg/m (92.00 lb/ft), has a depth of 320.5 mm (12.62 in), flange width 309.2 mm (12.17 in). Cross-sectional area: 17,243.3 mm². Moment of inertia Ix = 32,451.82 cm⁴, Iy = 10,697.28 cm⁴.

h=320.5b=309.2tw=13.8tf=21.7
Cross-section (not to scale)

Dimensions

PropertyMetricImperial
Depth (h)320.5 mm12.62 in
Width (b)309.2 mm12.17 in
Web thickness (tw)13.8 mm0.54 in
Flange thickness (tf)21.7 mm0.85 in
Fillet radius (r)15.2 mm0.60 in
Weight136.9 kg/m92.00 lb/ft

Section Properties

PropertyMetricImperial
Area (A)17,243.3 mm²26.727 in²
Moment of inertia (Ix)32,451.82 cm⁴779.65 in⁴
Moment of inertia (Iy)10,697.28 cm⁴257.00 in⁴
Elastic section modulus (Sx)2,025.07 cm³123.578 in³
Elastic section modulus (Sy)691.93 cm³42.224 in³
Plastic section modulus (Zx)2,269.75 cm³138.509 in³
Plastic section modulus (Zy)1,050.5 cm³64.106 in³
Radius of gyration (rx)13.72 cm5.402 in
Radius of gyration (ry)7.88 cm3.102 in
UC 305x305x118UC 305x305x158

Beam Calculator— UC 305x305x137

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mfixed @ 0mfixed @ 6m→kN/m

Results — UC 305x305x137

Mmax

15.0 kN·m

Vmax

15.0 kN

δmax

0.26 mm

L/23077

R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard: