W310x79 G40.21 350W — Canadian W-Shape Section Properties

Approximate equivalent of W12X53 per AISC A6. Approx. equivalent of W12X53. Verify against CISC Handbook.

Dimensions (Metric)

Property Value Unit
Depth (d) 307.3 mm
Flange Width (bf) 254.0 mm
Flange Thickness (tf) 14.6 mm
Web Thickness (tw) 8.8 mm
Cross-Sectional Area (A) 100.7 cm²
Mass 78.9 kg/m

Elastic Section Properties (Metric)

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 17,690 3,987 cm⁴
Elastic Section Modulus (S) 1,157 315 cm³
Plastic Section Modulus (Z) 1,277 477 cm³
Radius of Gyration (r) 13.28 6.30 cm

Torsional Properties

Property Value Unit
Torsional Constant (J) 66 cm⁴
Warping Constant (Cw) 848,460 cm⁶
Distance Between Flange Centroids (ho) 29.21 cm
Effective Radius (rts) 7.09 cm

Imperial Reference

Property Value Unit
Depth (d) 12.10 in
Flange Width (bf) 10.00 in
Area (A) 15.60 in²
Weight 53 lb/ft

Design Resources

Frequently Asked Questions

What is the W310x79 equivalent to in US units? It approximates a W12X53 (d=12.1in, 53lb/ft). Section properties are from AISC A6 shapes database, converted to metric units.

What steel grade is standard for W310x79? 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 W310x79 beam? 78.9 kg/m. A 12m length weighs approximately 947 kg.

What is the section modulus of W310x79? Sx = 1,157 cm³ (strong axis) and Sy = 315 cm³ (weak axis). The plastic section modulus Zx = 1,277 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.