UB · Universal Beams

360UB44.7

360UB44.7 Universal Beam

  • AS/NZS 3679.1:2016
  • Design: AS 4100:2020
  • Unverified
Weight Surface area Equivalents XML
Mass44.93kg/m
A5,724mm²
Ix121.35610⁶ mm⁴
Zx689.510³ mm³
360UB44.7 cross-section
Cross-section drawn to scale from nominal dimensions. Cross-hair marks the centroid.

Dimensions

ParameterSymbolValueUnitData
Depthd352.0mmU
Flange widthbf171.0mmU
Flange thicknesstf9.7mmU
Web thicknesstw6.9mmU
Root radiusr111.4mmU

Section Properties

ParameterSymbolValueUnitData
General
Mass per metre mass44.93kg/mC
Gross area A5,724mm²C
About x-axis (major)
Second moment of area Ix Ix121.35610⁶ mm⁴C
Elastic section modulus Zx (min) Zx689.510³ mm³C
Plastic section modulus Sx Sx776.910³ mm³C
Radius of gyration rx rx145.6mmC
About y-axis (minor)
Second moment of area Iy Iy8.09710⁶ mm⁴C
Elastic section modulus Zy (min) Zy94.710³ mm³C
Plastic section modulus Sy Sy146.410³ mm³C
Radius of gyration ry ry37.6mmC
Torsion & warping
Torsion constant JApproximate thin-walled value, fillets neglected J0.14010⁶ mm⁴C
Warping constant IwIy·(d−tf)²/4 Iw237.1910⁹ mm⁶C
Surface area
External surface area extArea1.355m²/mC

Nominal designation mass 44.70 kg/m; calculated 44.93 kg/m (+0.5%).

Steel Grades

GradeStandard fy MPafu MPa NoteData
300 AS/NZS 3679.1:2016 320 440 Typical grade supplied – confirm availability with supplier U

Strengths shown for governing thickness t = 9.7 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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