W530x247 G40.21 350W — Canadian W-Shape Section Properties

Approximate equivalent of W21X166 per AISC A6. Approx. equivalent of W21X166. Verify against CISC Handbook.

Dimensions (Metric)

Property Value Unit
Depth (d) 571.5 mm
Flange Width (bf) 315.0 mm
Flange Thickness (tf) 34.5 mm
Web Thickness (tw) 19.0 mm
Cross-Sectional Area (A) 314.9 cm²
Mass 247.0 kg/m

Elastic Section Properties (Metric)

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 178,146 18,106 cm⁴
Elastic Section Modulus (S) 6,227 1,147 cm³
Plastic Section Modulus (Z) 7,079 1,770 cm³
Radius of Gyration (r) 23.77 7.59 cm

Torsional Properties

Property Value Unit
Torsional Constant (J) 982 cm⁴
Warping Constant (Cw) 13,022,250 cm⁶
Distance Between Flange Centroids (ho) 53.59 cm
Effective Radius (rts) 8.84 cm

Imperial Reference

Property Value Unit
Depth (d) 22.50 in
Flange Width (bf) 12.40 in
Area (A) 48.80 in²
Weight 166 lb/ft

Design Resources

Frequently Asked Questions

What is the W530x247 equivalent to in US units? It approximates a W21X166 (d=22.5in, 166lb/ft). Section properties are from AISC A6 shapes database, converted to metric units.

What steel grade is standard for W530x247? 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 W530x247 beam? 247.0 kg/m. A 12m length weighs approximately 2,964 kg.

What is the section modulus of W530x247? Sx = 6,227 cm³ (strong axis) and Sy = 1,147 cm³ (weak axis). The plastic section modulus Zx = 7,079 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.