| W: Thickness of web, mm. |
B: Width of flange , mm. |
D: Deppth of section, mm |
T: Thickness of flange, mm. |
| W: 104 |
B: 104 |
D:254 |
T: 254 |
| BT: Width-to-thickness ratio . |
HW: Depth-to-thickness ratio of web. |
K: Distance between outer face of flange and web-toe of fillet, mm. |
K1: Distance between middle line of web and flange-toe of fillet, mm. |
| BT: 14.6 |
HW: 14.6 |
K: 7.12 |
K1: 15.4 |
| Dn_i: Nominal depth of section (Imperial units), in. |
Dnom: Nominal depth of section, mm. |
Mass: Mass per length, kg/m. |
Wt_i: Weight per length (Imperial units), lb/ft. |
| Dn_i: 10 |
Dnom: 33 |
Mass: 250 |
Wt_i: 33.6 |
| A: (Cross-sectional area, mm^2) |
J: St-Venant torsional constant, mm^4. |
Cw: Warping constant, mm^6. |
Sw: Warping statical moment, mm^4. |
| A: 50 |
J: 500 |
Cw: 60 |
Sw: |
| Ix: Moment of inertia about axis XX, mm^4. |
Sx: Elastic section modulus about axis XX, mm^3. |
Rx: Radius of gyration about axis XX, mm. |
Sw: Plastic modulus about axis XX, mm^3. |
| Ix: 6370 |
Sx: 57.9 |
Rx: 456 |
Zx: 95.3 |
| Iy: Moment of inertia about axis YY, mm^4. |
Sy: Elastic section modulus about axis YY, mm^3. |
Ry: Radius of gyration about axis YY, mm. |
Zy: Plastic modulus about axis YY, mm^3. |
| Iy: 5.43 |
Sy: 70.9 |
Ry: 29.2 |
Zy: 27.5 |
| Qf: Statical moment at point in flange in line with web face, mm^3. |
Qw: Statical moment at mid-depth in web, mm^3. |
SA: Surface area per metre, m. |
Section: Structural Member |
| Qf: |
Qw: |
SA: 0.895 |
Section: MC250x50 |