Rebar Size Chart
Each imperial bar diameter increases by 1/8 inch. You can multiply the bar size by 1/8 to get the nominal diameter in inches. For example, #8 rebar = 8/8 inches (or 1 inch) in diameter. Common measurements indicate the weight, nominal area, and nominal diameter.
| Imperial Bar Size | Weight (lb/ft) | Weight (kg/m) | Nominal Diameter (in) | Nominal Diameter (mm) | Nominal Area (in2) | Nominal Area (mm2) |
| #3 | 0.376 | 0.561 | 0.375 | 9.525 | 0.11 | 71 |
| #4 | 0.688 | 0.996 | 0.5 | 12.7 | 0.2 | 129 |
| #5 | 1.043 | 1.556 | 0.625 | 15.875 | 0.31 | 200 |
| #6 | 1.502 | 2.24 | 0.75 | 19.05 | 0.44 | 284 |
| #7 | 2.044 | 3.049 | 0.875 | 22.225 | 0.6 | 387 |
| #8 | 2.67 | 3.982 | 1 | 25.4 | 0.79 | 509 |
| #9 | 3.4 | 5.071 | 1.128 | 28.65 | 1 | 645 |
| #10 | 4.303 | 6.418 | 1.27 | 32.26 | 1.27 | 819 |
| #11 | 5.313 | 7.924 | 1.14 | 35.81 | 1.56 | 1006 |
| #14 | 7.65 | 11.41 | 1.693 | 43 | 2.25 | 1452 |
| #18 | 13.6 | 20.284 | 2.257 | 57.33 | 4 | 2581 |
| Product name | Deformed Steel Rebars,Rebar |
| Material | Q195, Q235, Q345; ASTM A53 GrA,GrB; STKM11,ST37,ST52, 16Mn,etc. |
| Size | 6mm,8mm,10mm, 12mm, 14mm, 16mm, 20mm, 22mm, 25mm, 30mm, 32mm, 40mm,50mm |
| Length | 5m-14m,5.8m,6m,10m-12m,12m or as customer's actual reques |
| Standard | BS4449-2005,GB1449.2-2007,JIS G3112-2004, ASTM A615-A615M-04a |
| Grade | Grade A, Grade B, Grade C |
| Section Shape | Spiral Shap,Herringbone Shap,Crescent Shap |
| Technique | Steel Rebar Iron Rod |
| Packing | Bundle, or with all kinds of colors PVC or as your requirements |
| Ends | Plain end/Beveled,protected by plastic caps on both ends, cut quare,grooved,threaded and coupling,etc. |
| Surface Treatment | 1. Galvanized 2. PVC,Black and color painting 3. Transparent oil,anti-rust oil 4. According to clients requirement |
| Delivery time | Usually within 15 days after receipt of advance payment |
| Size(mm) | Base Diameter(mm) | Transverse Rib Height(mm) | Longitudinal Rib Height(mm) | Transverse Rib Spacing(mm) | Unit Weight(kg/m) |
| 6 | 5.8±0.3 | 0.6±0.3 | ≤0.8 | 4±0.5 | 0.222 |
| 8 | 7.7±0.4 | 0.8±0.3 | ≤1.1 | 5.5±0.5 | 0.395 |
| 10 | 9.6±0.4 | 1±0.4 | ≤1.3 | 7±0.5 | 0.617 |
| 12 | 11.5±0.4 | 1.2±0.4 | ≤1.6 | 8±0.5 | 0.888 |
| 14 | 13.4±0.4 | 1.4±0.4 | ≤1.8 | 9±0.5 | 1.21 |
| 16 | 15.4±0.4 | 1.5±0.5 | ≤1.9 | 10±0.5 | 1.58 |
| 18 | 17.3±0.4 | 1.6±0.5 | ≤2 | 10±0.5 | 2.00 |
| 20 | 19.3±0.5 | 1.7±0.5 | ≤2.1 | 10±0.8 | 2.47 |
| 22 | 21.3±0.5 | 1.9±0.6 | ≤2.4 | 10.5±0.8 | 2.98 |
| 25 | 24.2±0.5 | 2.1±0.6 | ≤2.6 | 12.5±0.8 | 3.85 |
| 28 | 27.2±0.6 | 2.2±0.6 | ≤2.7 | 12.5±1.0 | 4.83 |
| 32 | 31±0.6 | 2.4±0.7 | ≤3 | 14±1.0 | 6.31 |
| 36 | 35±0.6 | 2.6±0.8 | ≤3.2 | 15±1.0 | 7.99 |
Rebar is the common name for hot rolled ribbed steel bars. The grade of ordinary hot-rolled steel bar is composed of HRB and the minimum yield point of the grade. H, R, and B are the first letters of the three words Hotrolled, Ribbed, and Bars respectively. Hot-rolled ribbed steel bars are divided into three grades: Grade II HRB335 (the old grade is 20MnSi), Grade III HRB400 (the old grades are 20MnSiV, 20MnSiNb, 20Mnti), and Grade IV HRB500.
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