M3x2.9
Miscellaneous beams from AISC Shapes Database v16.0. Also designated M100X4.3.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 76.2 mm | 3 in |
| Flange width, b_f | 57.2 mm | 2.25 in |
| Web thickness, t_w | 2.29 mm | 0.09 in |
| Flange thickness, t_f | 3.3 mm | 0.13 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 624,000 mm⁴ | 1.5 in⁴ |
| Elastic modulus, Sₓ | 16,400 mm³ | 1 in³ |
| Plastic modulus, Zₓ | 18,400 mm³ | 1.12 in³ |
| Radius of gyration, rₓ | 32.5 mm | 1.28 in |
| Distance to top fibre | 38.1 mm | 1.5 in |
| Distance to bottom fibre | 38.1 mm | 1.5 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 103,000 mm⁴ | 0.248 in⁴ |
| Elastic modulus, S_y | 3,620 mm³ | 0.221 in³ |
| Plastic modulus, Z_y | 5,640 mm³ | 0.344 in³ |
| Radius of gyration, r_y | 13.2 mm | 0.521 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 3,290 mm⁴ | 0.0079 in⁴ |
| Warping constant, C_w | 137,000,000 mm⁶ | 0.511 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 4.3 kg/m | 2.9 lb/ft |