6061 Aluminum I-Beam, Unpolished (Mill) Finish, Extruded, T6-Temper, ASTM B221, Equal Leg Length, Squared Corners, 3" Leg Lengths, 4" Width, 0.29" Wall Thickness, 72" Length, OnlineMetals
| Country | USA |
| Manufacturer | Independently published |
| Binding | Hardcover |
| ReleaseDate | 0000-00-00 |