L – angles

L254x254x31.8

Standard: ASTM A6/A6M (désignations métriques)Source: SI values from the AISC v16.0 database (ASTM A6 shapes common to Canada)
ASTM A6 rolled shapes are the same in Canada; the CISC list may differ slightly (availability).
xyb = 254d = 254t = 31.8t = 31.8
Cross-section, to scaledimensions in mm

Dimensions

Depthd
254mm
Widthb
254mm
Thicknesst
31.8mm
Distance k (design)kdes
52.1mm
Distance k (detailing)kdet
52.4mm

Mass and area

Mass per lengthm
119kg/m
Cross-sectional areaA
15,100mm²

Strong axis x–x

Moment of inertiaIx
88.710⁶ mm⁴
Elastic section modulusSx
49510³ mm³
Plastic section modulusZx
90010³ mm³
Radius of gyrationrx
76.7mm

Weak axis y–y

Moment of inertiaIy
88.710⁶ mm⁴
Elastic section modulusSy
49510³ mm³
Plastic section modulusZy
90010³ mm³
Radius of gyrationry
76.7mm

Principal axes

Moment of inertia, minor principal axisIz
35.510⁶ mm⁴
Section modulus, minor principal axisSz
33610³ mm³
Radius of gyration, minor principal axisrz
48.5mm
Tangent of principal axis angletan α
1

Torsion and stability

Torsional constantJ
5,12010³ mm⁴
Warping constantCw
2410⁹ mm⁶
Polar radius (shear center)r̄o
137mm
Flexural constantH
0.628

Centers

Centroidx̄
74.9mm
Centroidȳ
74.9mm
Plastic neutral axisxp
29.7mm
Plastic neutral axisyp
29.7mm

Slenderness ratios

Wall slendernessb/t
8

Equivalents in other standards