W530x74 G40.21 350W — Canadian W-Shape Section Properties

Approximate equivalent of W21X50 per AISC A6. Approx. equivalent of W21X50. Verify against CISC Handbook.

Dimensions (Metric)

Property Value Unit
Depth (d) 528.3 mm
Flange Width (bf) 165.9 mm
Flange Thickness (tf) 13.6 mm
Web Thickness (tw) 9.7 mm
Cross-Sectional Area (A) 94.8 cm²
Mass 74.4 kg/m

Elastic Section Properties (Metric)

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 40,957 1,036 cm⁴
Elastic Section Modulus (S) 1,549 125 cm³
Plastic Section Modulus (Z) 1,803 200 cm³
Radius of Gyration (r) 20.78 3.30 cm

Torsional Properties

Property Value Unit
Torsional Constant (J) 47 cm⁴
Warping Constant (Cw) 690,045 cm⁶
Distance Between Flange Centroids (ho) 51.56 cm
Effective Radius (rts) 4.17 cm

Imperial Reference

Property Value Unit
Depth (d) 20.80 in
Flange Width (bf) 6.53 in
Area (A) 14.70 in²
Weight 50 lb/ft

Design Resources

Frequently Asked Questions

What is the W530x74 equivalent to in US units? It approximates a W21X50 (d=20.8in, 50lb/ft). Section properties are from AISC A6 shapes database, converted to metric units.

What steel grade is standard for W530x74? 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 W530x74 beam? 74.4 kg/m. A 12m length weighs approximately 893 kg.

What is the section modulus of W530x74? Sx = 1,549 cm³ (strong axis) and Sy = 125 cm³ (weak axis). The plastic section modulus Zx = 1,803 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.