#10 Rebar
Heavy structure bar: #10 carries the area of the old 1 1/8 inch square and shows up where columns and mats get serious.
1.270 inch diameter, 1.27 in2, 4.303 lb per foot
| Nominal diameter | 1.270 in (32.3 mm) |
| Cross section area | 1.27 in2 (819 mm2) |
| Weight | 4.303 lb per foot (6.404 kg per meter) |
| Typical grade | Grade 60, 60 ksi yield |
| Soft metric name | No. 32 |
| 20 ft stock bar | about 86 lb |
| Nearest Canadian bar | 30M, with 35M above |
Notes for design and site
Like #9 and #11 it inherits its area from a square bar, 1 1/8 inch on a side, which explains the otherwise strange 1.27 in2. High rise columns, heavy pile caps and thick mats are its territory, where a smaller bar would make the cage unplaceable.
A 40 diameter rough lap runs about 51 inches and a 20 ft bar is 86 pounds, so everything about it is planned lifting and detailed splices. Hooks and bend diameters at this size drive member geometry: check that the bend fits before the bar list is cut.
Related Calculators and Reference
- Development Length and Lap Splice Calculator: laps past four feet need real numbers.
- Rebar Cutting List Calculator: bend diameters and schedules checked together.
- Pile Bearing Capacity Estimator: the pile caps this bar anchors.
- #11 Rebar: the last of the routine sizes.
- Quantity Takeoff Calculator: element level tonnage.
- Concrete Reinforcing Steel Institute: the US industry body for reinforcing steel.