W460x128 G40.21 350W — Canadian W-Shape Section Properties

Approximate equivalent of W18X86 per AISC A6. Approx. equivalent of W18X86. Verify against CISC Handbook.

Dimensions (Metric)

Property Value Unit
Depth (d) 467.4 mm
Flange Width (bf) 281.9 mm
Flange Thickness (tf) 19.6 mm
Web Thickness (tw) 12.2 mm
Cross-Sectional Area (A) 163.2 cm²
Mass 128.0 kg/m

Elastic Section Properties (Metric)

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 63,683 7,284 cm⁴
Elastic Section Modulus (S) 2,720 518 cm³
Plastic Section Modulus (Z) 3,048 793 cm³
Radius of Gyration (r) 19.74 6.68 cm

Torsional Properties

Property Value Unit
Torsional Constant (J) 171 cm⁴
Warping Constant (Cw) 3,651,600 cm⁶
Distance Between Flange Centroids (ho) 44.70 cm
Effective Radius (rts) 7.75 cm

Imperial Reference

Property Value Unit
Depth (d) 18.40 in
Flange Width (bf) 11.10 in
Area (A) 25.30 in²
Weight 86 lb/ft

Design Resources

Frequently Asked Questions

What is the W460x128 equivalent to in US units? It approximates a W18X86 (d=18.4in, 86lb/ft). Section properties are from AISC A6 shapes database, converted to metric units.

What steel grade is standard for W460x128? 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 W460x128 beam? 128.0 kg/m. A 12m length weighs approximately 1,536 kg.

What is the section modulus of W460x128? Sx = 2,720 cm³ (strong axis) and Sy = 518 cm³ (weak axis). The plastic section modulus Zx = 3,048 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.