Cross-Section Profile — WT 20×81 (to scale)
All dimensions in mm · I/H section · G = 121 kg/m · ASTM A6
121
kg / m
154
A (cm²)
315490
Iy (cm⁴)
11704
Wy (cm³)
Section Properties
Total Height
h
518 mm
Flange Width
b
208 mm
Web Thickness
tw
17 mm
Flange Thickness
tf
25.7 mm
Cross-Sect. Area
A
154 cm²
Linear Mass
G
121 kg/m
Second Moment (Y)
Iy
315490 cm⁴
Elastic Modulus (Y)
Wy
11704 cm³
Radius of Gyration
iz
45.3 cm