Hot-rolled flats

FLAT 180x20

Standard: Assumed: hot-rolled flats of EN 10058 (sizes not checked)Source: Geometry: Steel Section Database (MIT) — calculated properties (exact engine)
xyb = 20d = 180
Cross-section, to scaledimensions in mm

Dimensions

Depthd
180mm
Widthb
20mm

Mass and area

Mass per lengthm
28.26kg/m
Cross-sectional areaA
3,600mm²
Outside perimeterP
400mm

Strong axis x–x

Moment of inertiaIx
9.7210⁶ mm⁴
Elastic section modulusSx
10810³ mm³
Plastic section modulusZx
16210³ mm³
Radius of gyrationrx
51.96mm

Weak axis y–y

Moment of inertiaIy
0.1210⁶ mm⁴
Elastic section modulusSy
1210³ mm³
Plastic section modulusZy
1810³ mm³
Radius of gyrationry
5.774mm

Torsion and stability

Torsional constantJ
446.410³ mm⁴

Equivalents in other standards