W: Thickness of web, mm. |
B: Width of flange , mm. |
D: Deppth of section, mm |
T: Thickness of flange, mm. |
W: 15.4 |
B: 261 |
D:275 |
T: 25.1 |
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: 5.2 |
HW: 14.6 |
K: 42 |
K1: 23 |
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: 131 |
Wt_i: 88 |
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: 16700 |
J: 3120 |
Cw: 1160 |
Sw: 26.7 |
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: 221 |
Sx: 1610 |
Rx: 115 |
Zx: 1850 |
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: 74.5 |
Sy: 571 |
Ry: 66.8 |
Zy: 870 |
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: 385 |
Qw: 916 |
SA: 1.56 |
Section: W250x131 |