ASTM A615 / A706 reinforcement - Bar Sizes
US deformed reinforcing bar (ASTM A615 / weldable A706), sizes #3-#18. Areas are the standard's tabulated nominal values, imperial-primary.
Grades: A615 Gr.40/60/75/80/100 (280/420/520/550/690 MPa); A706 Gr.60/80 weldable. Gr.60 (420 MPa) is the default.
| Bar | Diameter | Area As | Mass |
|---|---|---|---|
| #3 (No. 3) | 0.375 in / 9.5 mm | 0.11 in² / 71 | 0.376 lb/ft |
| #4 (No. 4) | 0.5 in / 12.7 mm | 0.2 in² / 129 | 0.668 lb/ft |
| #5 (No. 5) | 0.625 in / 15.9 mm | 0.31 in² / 199 | 1.043 lb/ft |
| #6 (No. 6) | 0.75 in / 19.1 mm | 0.44 in² / 284 | 1.502 lb/ft |
| #7 (No. 7) | 0.875 in / 22.2 mm | 0.6 in² / 387 | 2.044 lb/ft |
| #8 (No. 8) | 1 in / 25.4 mm | 0.79 in² / 510 | 2.67 lb/ft |
| #9 (No. 9) | 1.128 in / 28.7 mm | 1 in² / 645 | 3.4 lb/ft |
| #10 (No. 10) | 1.27 in / 32.3 mm | 1.27 in² / 819 | 4.303 lb/ft |
| #11 (No. 11) | 1.41 in / 35.8 mm | 1.56 in² / 1006 | 5.313 lb/ft |
| #14 (No. 14) | 1.693 in / 43 mm | 2.25 in² / 1452 | 7.65 lb/ft |
| #18 (No. 18) | 2.257 in / 57.3 mm | 4 in² / 2581 | 13.6 lb/ft |