6061 Aluminum I-Beam, Unpolished (Mill) Finish, Extruded, T6-Temper, ASTM B221, Equal Leg Length, Squared Corners, 4" Leg Lengths, 6" Width, 0.21" Wall Thickness, 12" Length, OnlineMetals
| Country | USA |
| Manufacturer | Quarry Books |
| Binding | Kindle Edition |
| ReleaseDate | 2016-02-01 |
| Format | Kindle eBook |