Steel Section Catalog

ISLC 100

IS — Cold-formed Channel

Cold-formed channels (U shapes) are similar to C shapes but without stiffening lips. Used for light structural framing, supports, and secondary members.

The ISLC 100 steel profile weighs 7.9 kg/m (5.31 lb/ft), has a depth of 100 mm (3.94 in), flange width 50 mm (1.97 in). Cross-sectional area: 752 mm². Moment of inertia Ix = 114.33 cm⁴, Iy = 16.48 cm⁴.

h=100b=50t=4
Cross-section (not to scale)

Dimensions

PropertyMetricImperial
Depth (h)100 mm3.94 in
Width (b)50 mm1.97 in
Web thickness (tw)4 mm0.16 in
Flange thickness (tf)6.4 mm0.25 in
Thickness (t)4 mm0.16 in
Fillet radius (r)6 mm0.24 in
Weight7.9 kg/m5.31 lb/ft

Section Properties

PropertyMetricImperial
Area (A)752 mm²1.166 in²
Moment of inertia (Ix)114.33 cm⁴2.75 in⁴
Moment of inertia (Iy)16.48 cm⁴0.40 in⁴
Elastic section modulus (Sx)22.87 cm³1.396 in³
Elastic section modulus (Sy)4.25 cm³0.259 in³
Plastic section modulus (Zx)26.3 cm³1.605 in³
Plastic section modulus (Zy)5.1 cm³0.311 in³
Radius of gyration (rx)3.9 cm1.535 in
Radius of gyration (ry)1.48 cm0.583 in

Beam Calculator— ISLC 100

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mfixed @ 0mfixed @ 6mkN/m

Results — ISLC 100

Mmax

15.0 kN·m

Vmax

15.0 kN

δmax

73.80 mm

L/81

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