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W 920x420x420

Production class: hot rolled (ASTM A 6/A 6M)

Section geometry

W shape
Height (h):
943mm
Width (b):
422mm
Web thickness (tw):
22.5mm
Flange thickness (tf):
39.9mm
Radius (r):
25mm

Section properties

Moment of inertia (I):mm⁴
Y-axis:
8.174E9
Z-axis:
5.007E8
Elastic section modulus (Wel):mm³
Y-axis:
1.733E7
Z-axis:
2.373E6
Plastic section modulus (Wpl):mm³
Y-axis:
1.962E7
Z-axis:
3.671E6
Radius of gyration (i):mm
Y-axis:
390
Z-axis:
96
Plastic shear area (Av):mm²
Y-axis:
33680
Z-axis:
22850
Weight per meter:
420kg/m
Area (A):
53500mm²
Surface area per meter:
3.486m²/m
Torsion constant (It):
2.208E7mm⁴
Warping constant (Iw):
1.019E14mm⁶

Profile overview for W 920x420x420

The W 920x420x420 is a structural steel cross-section utilized in commercial construction, industrial framing, and mechanical engineering. Manufactured as a hot rolled section, it complies with ASTM A 6/A 6M dimensional standards, ensuring predictability in detailing and fabrication.Access to its exact geometric and statical properties is essential for 3D modeling and structural verification.

Geometry: This open profile features a total depth (h) of 943 mm and a flange width (b) of 422 mm, supported by a 22.5 mm thick web and 39.9 mm thick flanges. With a cross-sectional area of 53500 mm² and a linear mass of 420 kg/m, the W 920x420x420 offers a distinct stiffness-to-weight ratio for both column (axial) and beam applications.

Section properties: For design of bending, the major and minor axis properties dictate the member's structural capacity. The strong-axis moment of inertia (Iy) of 8174100000 mm⁴ governs major deflection and serviceability limits. To calculate the ultimate bending resistance, engineers may utilize the strong-axis plastic section modulus of 19620000 mm³. For lateral stability and column buckling verifications, the weak-axis moment of inertia (Iz) provides 500700000 mm⁴ of lateral stiffness.

Advanced analysis: For complex load cases, the W 920x420x420 provides a y-axis shear area (at strong bending axis) of 33675.6 mm² for web shear verification and a torsion constant of 22080000 mm⁴ for calculating rotational twist under eccentric loading. Additionally, a warping constant of 101890000000000 mm⁶ is available for rigorous lateral-torsional buckling (LTB) checks.