No
L Specify the unit 1mm
Section 2 times torque mm4
Cross-sectional factor mm3
quality kg/m
lx
ly
Zx
Zy
2020
50~4000
0.74x104
0.74x103
0.49
2040
5.12x104
1.36x104
2.56x103
1.36x103
0.87