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As defined by ASTM, “A” represents ferrous metal and “36” represents minimum yield strength. ASTM A36 round bar is a medium tensile strength carbon steel bar. The surface is rougher than cold-rolled and can be zinc plated for increased corrosion resistance.
It is often used in the construction of bridges and buildings and the production of parts and equipment. It has good weldability and can be machined and formed. After that, it permanently deforms and cannot return to its original dimensions. Around 36,000 psi is quite effective for this bar.
What is ASTM A36 steel bar standard?
Unlike most AISI grades, ASTM A36 steel bars have no apparent chemical composition, making them resistant to corrosion. Mechanical characteristics rather than chemical factors identify it. Some leagues fall within a specific percentage range in most grades.There must be some mechanical standards to use ASTM A36 carbon steel rods effectively. The maximum tensile strength of this material can reach a high degree of psi.
A36 Steel Round Bar is a hot rolled, mild steel solid steel bar that is ideal for all general fabrication, manufacturing and repairs. Steel Rounds are widely used in industrial maintenance, agricultural implements, transportation equipment, ornamental iron work, fencing, artwork, etc. This steel shape is easy to weld, cut, form and drill with the proper equipment and knowledge.
Many variables, including chemical composition and moulding technique, affect the specific tensile strength of the material. The same material is relatively stretchable and has good high-temperature resistance compared to other materials.
What is A36 carbon steel bar used for?
Like most carbon steels, all of these composed metal elements are created. In the beginning, coal and iron ore are combined in a furnace. Then, it is shaped using rollers operating at high ignition to its final dimensions. The steel is heated to a molten state, the impurities are burned away, and alloying elements are added.
Due to their affordability, A36 hot-rolled steel bars are used in a wide range of industries for a variety of purposes. Additionally, as already mentioned, these A36 steel rods are particularly well suited for structural applications due to their mechanical qualities.
Is A36 a structural steel?
Metal structures welded and bolted together are made of carbon structural steel or A36 mild steel rod. The structures include civil and industrial infrastructure in addition to building bridges. A36s structural steel hex bars are also used to create goods and components for engineering and general construction projects.
It has no limitations on welding and can be applied in various ways. Due to its structural characteristics, carbon steel has improved properties for strength, formability, and weldability. For a range of uses, including fabrication and bending, ASTM A36 steel square bars are available.
A36 Carbon Steel Shape Options
Alro stocks ASTM A36 carbon steel in the following shapes to suit your project specifications:
- Angle
- Channel
- Flat
- Plate
- Round
- Square
- Tees
Alro Steel is your trusted source for high-quality A36 carbon steel shapes. No matter what your project requires, we can provide you with hot rolled A36 steel shape based on your project’s exact specifications.
Why A36 steel rod is so popular?
The high strength-to-weight ratio and formability of the steel plate make it easy to shape the bar. It can be concluded that these reasons are why it is often used in structural applications. The A36 HR steel rod can be formed into several structural solid components.
It is a low-carbon steel that is incredibly strong, formable, and weldable. A36 Hot Rolled Steel Bars are easy steel to machine, build, and weld. There are the same amount of processes left. Take machining, drilling, threading, stamping, and grinding as an example.
ASTM A36 Carbon Steel Properties
A36 is designated by its mechanical properties instead of its chemical properties. In the American Society for Testing Materials (ASTM) system, the A stands for ferrous metal, while the 36 refers to its minimum yield strength of 36,000 PSI. The properties and specifications for stock A36 steel plate provide a way to accurately assess the needs of your project with the capabilities of our A36 carbon steel flat, round, and square product options. You can find more information in our online Metals Guide A36 Carbon Steel Bar.
- Tensile Strength: 58,000 – 80,000 psi
- Min. Yield Strength: 36,000 psi
- Elongation in 2″: 23%
ASTM A36 Carbon Steel Bars Equivalent Grades :
| EN | USA | GB | BS | JIS | ISO | IS |
| Fe360D2, S235J2G4 | A36 | Q235D | 40EE | SM 400 A | Fe 360B | IS 226 |
Chemical Composition of Carbon A36 Rods
| Carbon Steel | C | Cu | Fe | Mn | P | Si | S |
| A36 | 0.25 – 0.290 % | 0.20 % | 98.0 % | 1.03 % | 0.040 % | 0.280 % | 0.050 % |
Mechanical Properties of Carbon Steel A36 Bars
| Hanical Properties | Metric | Imperial |
| Tensile Strength, Ultimate | 400 – 550 MPa | 58000 – 79800 psi |
| Tensile Strength, Yield | 250 MPa | 36300 psi |
| Elongation at Break (in 200 mm) | 20.0 % | 20.0 % |
| Elongation at Break (in 50 mm) | 23.0 % | 23.0 % |
| Modulus of Elasticity | 200 GPa | 29000 ksi |
| Bulk Modulus (typical for steel) | 140 GPa | 20300 ksi |
| Poissons Ratio | 0.260 | 0.260 |
| Shear Modulus | 79.3 GPa | 11500 ksi |
