UB · Universal Beams

360UB56.7

360UB56.7 Universal Beam

  • AS/NZS 3679.1:2016
  • Design: AS 4100:2020
  • Unverified
Weight Surface area Equivalents XML
Mass56.90kg/m
A7,248mm²
Ix161.53010⁶ mm⁴
Zx899.910³ mm³
360UB56.7 cross-section
Cross-section drawn to scale from nominal dimensions. Cross-hair marks the centroid.

Dimensions

ParameterSymbolValueUnitData
Depthd359.0mmU
Flange widthbf172.0mmU
Flange thicknesstf13.0mmU
Web thicknesstw8.0mmU
Root radiusr111.4mmU

Section Properties

ParameterSymbolValueUnitData
General
Mass per metre mass56.90kg/mC
Gross area A7,248mm²C
About x-axis (major)
Second moment of area Ix Ix161.53010⁶ mm⁴C
Elastic section modulus Zx (min) Zx899.910³ mm³C
Plastic section modulus Sx Sx1,013.810³ mm³C
Radius of gyration rx rx149.3mmC
About y-axis (minor)
Second moment of area Iy Iy11.04410⁶ mm⁴C
Elastic section modulus Zy (min) Zy128.410³ mm³C
Plastic section modulus Sy Sy198.410³ mm³C
Radius of gyration ry ry39.0mmC
Torsion & warping
Torsion constant JApproximate thin-walled value, fillets neglected J0.30910⁶ mm⁴C
Warping constant IwIy·(d−tf)²/4 Iw330.5510⁹ mm⁶C
Surface area
External surface area extArea1.370m²/mC

Nominal designation mass 56.70 kg/m; calculated 56.90 kg/m (+0.3%).

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 = 13.0 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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