Channeled Flat B-580 — 1911 Carnegie steel section
Authentic hot-rolled steel section reproduced from the 1911 Carnegie Shape Book. Profile digitized from the original engraving and rolled to order on our mill. Section data below; see the product images for the original 1911 figure with its dimension callouts and the full catalog page.
| Section index | B 580 |
| Section type | Channeled Flat |
| Depth | 1 1/4" |
| Width | 7/16" |
| Web thickness | 3/16" |
| Flange height, base / top | 0" / 0" |
| Section area | 0.364 in² |
| Weight (1911 published) | 1.23 lb/ft |
| Weight (computed from profile) | 1.24 lb/ft |
| Source | Carnegie Shape Book, 1911 edition, page 12 |
All dimensions in inches; weights are theoretical at 490 lb/ft³ steel. Available in the listed 1911 size or adapted to your requirements — contact Kimes Steel & Rail for custom rolling.
