UPN 320 (EN 10279)

Source: ArcelorMittal Sales Programme V2026-1. Verified fields: A, G, It, Iw, Iy, Iz, Wply, Wplz, Wy, Wz, b, h, iy, iz, r, tf, tw. Other fields remain unverified unless identified as calculated. Radii of gyration are derived as i = √(I/A) from the cited source inertia and area.

h = 320 mm · b = 100 mm · tw = 14 mm · tf = 17.5 mm · G = 59.5 kg/m

EN 10279 Channel section
Cross-Section Profile — UPN 320 (to scale)

All dimensions in mm · Channel section · G = 59.5 kg/m · EN 10279

59.5
kg / m
75.8
A (cm²)
10870
Iy (cm⁴)
679
Wy (cm³)

Reference values — verify against the current edition of the applicable standard or manufacturer's table before design use.

Section Properties

Overall depth h 320 mm
Width b 100 mm
Web thickness tw 14 mm
Flange thickness tf 17.5 mm
Root radius r 17.5 mm
Area A 75.8 cm²
Mass per length G 59.5 kg/m
Second moment (y-y) Iy 10870 cm⁴
Elastic modulus (y-y) Wy 679 cm³
Plastic modulus (y-y) Wpl,y 826 cm³
Radius (y-y) = √(Iy/A) iy 11.9751 cm
Second moment (z-z) Iz 597 cm⁴
Elastic modulus (z-z) Wz 80.6 cm³
Plastic modulus (z-z) Wpl,z 152 cm³
Radius (z-z) = √(Iz/A) iz 2.80642 cm
Torsion constant It 66.7 cm⁴
Warping constant Iw 96100 cm⁶

Using this section record

Read the axis labels before using inertia or modulus: the major and minor axes are not interchangeable. Dimensions are in millimetres; area is in cm², second moments in cm⁴, moduli in cm³ and radii in cm. Convert powers of length consistently when transferring values to a calculation.

A Source line covers only its listed verified fields. Other fields remain subject to verification. A dash is unavailable, never zero. Withheld values must not be inferred from the remaining dimensions. Nominal mass and dimensions are reference values rather than measured tolerances or procurement guarantees. Confirm the exact product, manufacturing route, grade and thickness with the manufacturer. Section properties alone do not establish member resistance: stability, effective length, connections and project design requirements need separate assessment.