W: Thickness of web, mm. |
B: Width of flange , mm. |
D: Deppth of section, mm |
T: Thickness of flange, mm. |
W: 9.4 |
B: 255 |
D:256 |
T: 15.6 |
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: 8.17 |
HW: 23.9 |
K: 32 |
K1: 20 |
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: 250 |
Mass: 80 |
Wt_i: 54 |
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: 10200 |
J: 757 |
Cw: 623 |
Sw: 15.2 |
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: 126 |
Sx: 982 |
Rx: 111 |
Zx: 1090 |
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: 43.1 |
Sy: 338 |
Ry: 65 |
Zy: 513 |
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: 230 |
Qw: 538 |
SA: 1.51 |
Section: W250x80 |