Hot-rolled flats

FLAT 170x20

Standard: Assumed: hot-rolled flats of EN 10058 (sizes not checked)Source: Geometry: Steel Section Database (MIT) — calculated properties (exact engine)
xyb = 20d = 170
Cross-section, to scaledimensions in mm

Dimensions

Depthd
170mm
Widthb
20mm

Mass and area

Mass per lengthm
26.69kg/m
Cross-sectional areaA
3,400mm²
Outside perimeterP
380mm

Strong axis x–x

Moment of inertiaIx
8.18810⁶ mm⁴
Elastic section modulusSx
96.3310³ mm³
Plastic section modulusZx
144.510³ mm³
Radius of gyrationrx
49.07mm

Weak axis y–y

Moment of inertiaIy
0.113310⁶ mm⁴
Elastic section modulusSy
11.3310³ mm³
Plastic section modulusZy
1710³ mm³
Radius of gyrationry
5.774mm

Torsion and stability

Torsional constantJ
419.710³ mm⁴

Equivalents in other standards