W1000x412 G40.21 350W — Canadian W-Shape Section Properties

Approximate equivalent of W40X277 per AISC A6. Approx. equivalent of W40X277. Verify against CISC Handbook.

Dimensions (Metric)

Property Value Unit
Depth (d) 1008.4 mm
Flange Width (bf) 401.3 mm
Flange Thickness (tf) 40.1 mm
Web Thickness (tw) 21.1 mm
Cross-Sectional Area (A) 525.8 cm²
Mass 412.2 kg/m

Elastic Section Properties (Metric)

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 911,544 43,288 cm⁴
Elastic Section Modulus (S) 18,026 2,163 cm³
Plastic Section Modulus (Z) 20,484 3,343 cm³
Radius of Gyration (r) 41.66 9.09 cm

Torsional Properties

Property Value Unit
Torsional Constant (J) 2,144 cm⁴
Warping Constant (Cw) 101,761,500 cm⁶
Distance Between Flange Centroids (ho) 96.77 cm
Effective Radius (rts) 10.79 cm

Imperial Reference

Property Value Unit
Depth (d) 39.70 in
Flange Width (bf) 15.80 in
Area (A) 81.50 in²
Weight 277 lb/ft

Design Resources

Frequently Asked Questions

What is the W1000x412 equivalent to in US units? It approximates a W40X277 (d=39.7in, 277lb/ft). Section properties are from AISC A6 shapes database, converted to metric units.

What steel grade is standard for W1000x412? 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 W1000x412 beam? 412.2 kg/m. A 12m length weighs approximately 4,946 kg.

What is the section modulus of W1000x412? Sx = 18,026 cm³ (strong axis) and Sy = 2,163 cm³ (weak axis). The plastic section modulus Zx = 20,484 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.