W200x46 G40.21 350W — Canadian W-Shape Section Properties

Approximate equivalent of W8X31 per AISC A6. Approx. equivalent of W8X31. Verify against CISC Handbook.

Dimensions (Metric)

Property Value Unit
Depth (d) 203.2 mm
Flange Width (bf) 203.2 mm
Flange Thickness (tf) 11.0 mm
Web Thickness (tw) 7.2 mm
Cross-Sectional Area (A) 58.9 cm²
Mass 46.1 kg/m

Elastic Section Properties (Metric)

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 4,579 1,544 cm⁴
Elastic Section Modulus (S) 451 152 cm³
Plastic Section Modulus (Z) 498 231 cm³
Radius of Gyration (r) 8.81 5.13 cm

Torsional Properties

Property Value Unit
Torsional Constant (J) 22 cm⁴
Warping Constant (Cw) 142,305 cm⁶
Distance Between Flange Centroids (ho) 19.23 cm
Effective Radius (rts) 5.74 cm

Imperial Reference

Property Value Unit
Depth (d) 8.00 in
Flange Width (bf) 8.00 in
Area (A) 9.13 in²
Weight 31 lb/ft

Design Resources

Frequently Asked Questions

What is the W200x46 equivalent to in US units? It approximates a W8X31 (d=8.0in, 31lb/ft). Section properties are from AISC A6 shapes database, converted to metric units.

What steel grade is standard for W200x46? 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 W200x46 beam? 46.1 kg/m. A 12m length weighs approximately 553 kg.

What is the section modulus of W200x46? Sx = 451 cm³ (strong axis) and Sy = 152 cm³ (weak axis). The plastic section modulus Zx = 498 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.