Oct. 07, 2024
ASTM A706 weldable rebar is well-suited for a variety of applications but is not meant for use in meticulously engineered or detailed components. It does have limitations regarding moment-curvature and inelastic structural deformations. If you're uncertain about the appropriateness of A706 rebar for your specific purpose, or if you have other questions about our products or services, please reach out to us at Harris Supply Solutions.
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Harris Supply is recognized as one of the largest providers of steel remesh and reinforcing bar products across the U.S. Our extensive network ensures prompt fulfillment of orders while maintaining highly competitive prices. Don't forget to check out our alternative rebar options such as epoxy coated rebar, fabricated rebar, black rebar, and coiled/spooled rebar for your needs.
ASTM A706 outlines the specifications for deformed and plain low alloy steel bars used in concrete reinforcement, emphasizing detrimental mechanical properties and chemical composition to enhance weldability. This standard includes bars and coils in two grades: Grade 60 and Grade 80, where the grade indicates the material's yield strength—specifically, Grade 60 carries a minimum yield of 60ksi.
| Bar No. | Nominal Diameter |
|---|---|
| 3 | 0.375&# |
| 4 | 0.500&# |
| 5 | 0.625&# |
| 6 | 0.750&# |
| 7 | 0.875&# |
| 8 | 1.000&# |
| 9 | 1.128&# |
| 10 | 1.270&# |
| 11 | 1.410&# |
| 14 | 1.693&# |
| 18 | 2.257&# |
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| Grade 60 | Grade 80 | |
|---|---|---|
| Tensile, ksi | 80 | 100 |
| Yield, ksi | 60-78 | 80-98 |
| Elongation in 8&# | ||
| Bar size #3,4,5,6 | 14 | 12 |
| 7,8,9,10,11 | 12 | 12 |
| 14,18 | 10 | 10 |
*Tensile strength shall not be less than 1.25 times the actual yield strength
| Element | Max % |
|---|---|
| Carbon | 0.30 |
| Manganese | 1.50 |
| Phosphorous | 0.035 |
| Sulfur | 0.045 |
| Silicon | 0.50 |
| Bar Designation# | Pin Dia, Grade 60 | Pin Dia, Grade 80 |
|---|---|---|
| 3,4,5 | 3d | 3-1/2d |
| 6,7,8 | 4d | 5d |
| 9,10,11 | 6d | 7d |
| 14,18 | 8d | 9d |
In addition to the aforementioned chemical stipulations, A706 rebar must maintain a carbon equivalent (CE) that does not surpass 0.55%. You can calculate this by inserting the chemical composition attributes for a specific heat lot of steel into the formula:
CE = %C + (%Mn / 6) + (%Cu / 40) + (%Ni / 20) + (%Cr / 10) + (%Mo / 50) + (%V / 10)
Rebar produced under this specification will bear the letter 'W' to indicate its weldability.
If you’re eager to discover more about a706 rebar, don’t hesitate to contact us today for an expert consultation!
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