UB · Universal Beams

460UB82.1

460UB82.1 Universal Beam

  • AS/NZS 3679.1:2016
  • Design: AS 4100:2020
  • Unverified
Weight Surface area Equivalents XML
Mass82.12kg/m
A10,461mm²
Ix371.03810⁶ mm⁴
Zx1,613.210³ mm³
460UB82.1 cross-section
Cross-section drawn to scale from nominal dimensions. Cross-hair marks the centroid.

Dimensions

ParameterSymbolValueUnitData
Depthd460.0mmU
Flange widthbf191.0mmU
Flange thicknesstf16.0mmU
Web thicknesstw9.9mmU
Root radiusr111.4mmU

Section Properties

ParameterSymbolValueUnitData
General
Mass per metre mass82.12kg/mC
Gross area A10,461mm²C
About x-axis (major)
Second moment of area Ix Ix371.03810⁶ mm⁴C
Elastic section modulus Zx (min) Zx1,613.210³ mm³C
Plastic section modulus Sx Sx1,833.910³ mm³C
Radius of gyration rx rx188.3mmC
About y-axis (minor)
Second moment of area Iy Iy18.62210⁶ mm⁴C
Elastic section modulus Zy (min) Zy195.010³ mm³C
Plastic section modulus Sy Sy303.210³ mm³C
Radius of gyration ry ry42.2mmC
Torsion & warping
Torsion constant JApproximate thin-walled value, fillets neglected J0.66010⁶ mm⁴C
Warping constant IwIy·(d−tf)²/4 Iw917.7910⁹ mm⁶C
Surface area
External surface area extArea1.645m²/mC

Nominal designation mass 82.10 kg/m; calculated 82.12 kg/m (+0.0%).

Steel Grades

GradeStandard fy MPafu MPa NoteData
300 AS/NZS 3679.1:2016 300 440 Typical grade supplied – confirm availability with supplier U

Strengths shown for governing thickness t = 16.0 mm. Density 7850 kg/m³, E = 200 000 MPa.

Source & Verification

Source publisher
Pending verification – nominal dimensions entered by the application developer
Source document
AS/NZS 3679.1:2016 Structural steel – Hot-rolled bars and sections
Edition
2016
Publication year
2016
Page reference
—
Last updated
2026-10-12
Verification status
Unverified

Nominal dimensions require verification against the current edition of the product standard and the manufacturer catalogue before design use. Properties are calculated by this application from the nominal dimensions.

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