AU · UC · Universal Columns

100UC14.8

100UC14.8 Universal Column

  • AS/NZS 3679.1:2016
  • Design: AS 4100:2020
  • Unverified
Weight Surface area Equivalents XML
Mass14.81kg/m
A1,887mm²
Ix3.18410⁶ mm⁴
Zx65.610³ mm³
100UC14.8 cross-section
Cross-section drawn to scale from nominal dimensions. Cross-hair marks the centroid.

Dimensions

ParameterSymbolValueUnitData
Depthd97.0mmU
Flange widthbf99.0mmU
Flange thicknesstf7.0mmU
Web thicknesstw5.0mmU
Root radiusr110.0mmU

Section Properties

ParameterSymbolValueUnitData
General
Mass per metre mass14.81kg/mC
Gross area A1,887mm²C
About x-axis (major)
Second moment of area Ix Ix3.18410⁶ mm⁴C
Elastic section modulus Zx (min) Zx65.610³ mm³C
Plastic section modulus Sx Sx74.410³ mm³C
Radius of gyration rx rx41.1mmC
About y-axis (minor)
Second moment of area Iy Iy1.13510⁶ mm⁴C
Elastic section modulus Zy (min) Zy22.910³ mm³C
Plastic section modulus Sy Sy35.210³ mm³C
Radius of gyration ry ry24.5mmC
Torsion & warping
Torsion constant JApproximate thin-walled value, fillets neglected J0.02610⁶ mm⁴C
Warping constant IwIy·(d−tf)²/4 Iw2.3010⁹ mm⁶C
Surface area
External surface area extArea0.563m²/mC

Nominal designation mass 14.80 kg/m; calculated 14.81 kg/m (+0.1%).

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 = 7.0 mm. Density 7850 kg/m³, E = 200 000 MPa.

Where to buy

Producers of Hot-rolled beams & columns (I / H / W) – local mills first. Buy direct from the mill for large tonnages, or through a steel distributor / stockist for small quantities and cut lengths.

Buying checklist
  • Specify the section designation, product standard and steel grade exactly (e.g. "100UC14.8 – AS/NZS 3679.1:2016 – 300").
  • Ask for mill test certificates (EN 10204 type 3.1 or equivalent) traceable to the heat number.
  • Sections from another standard system are not automatically equivalent – have the engineer approve any substitution.
  • Check availability, minimum order quantity, stock lengths, lead time and delivery terms with the mill or distributor.

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Listing is informational only – not an endorsement, offer or confirmation of availability. Company details are marked UNVERIFIED until checked.

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 AS/NZS 3679.1:2016 Structural steel – Hot-rolled bars and sections and the manufacturer catalogue before design use. Properties are calculated by this application from the nominal dimensions.

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