W100x19 G40.21 350W — Canadian W-Shape Section Properties

Approximate equivalent of W4X13 per AISC A6. Approx. equivalent of W4X13. Verify against CISC Handbook.

Dimensions (Metric)

Property Value Unit
Depth (d) 105.7 mm
Flange Width (bf) 103.1 mm
Flange Thickness (tf) 8.8 mm
Web Thickness (tw) 7.1 mm
Cross-Sectional Area (A) 24.7 cm²
Mass 19.3 kg/m

Elastic Section Properties (Metric)

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 470 161 cm⁴
Elastic Section Modulus (S) 89 31 cm³
Plastic Section Modulus (Z) 103 48 cm³
Radius of Gyration (r) 4.37 2.54 cm

Torsional Properties

Property Value Unit
Torsional Constant (J) 6 cm⁴
Warping Constant (Cw) 3,759 cm⁶
Distance Between Flange Centroids (ho) 9.70 cm
Effective Radius (rts) 2.95 cm

Imperial Reference

Property Value Unit
Depth (d) 4.16 in
Flange Width (bf) 4.06 in
Area (A) 3.83 in²
Weight 13 lb/ft

Design Resources

Frequently Asked Questions

What is the W100x19 equivalent to in US units? It approximates a W4X13 (d=4.2in, 13lb/ft). Section properties are from AISC A6 shapes database, converted to metric units.

What steel grade is standard for W100x19? Typically G40.21 350W per CSA G40.21. Also available as 300W, 350WT, 400W. Verify grade requirements with project specifications.

What is the mass of a W100x19 beam? 19.3 kg/m. A 12m length weighs approximately 232 kg.

What is the section modulus of W100x19? Sx = 89 cm³ (strong axis) and Sy = 31 cm³ (weak axis). The plastic section modulus Zx = 103 cm³.

Related Pages


Educational reference only. Verify all section properties against the current CISC Handbook of Steel Construction and mill certificates before design. Results are PRELIMINARY — NOT FOR CONSTRUCTION.