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Product Description
A36 is a carbon structural steel whose chemical composition and mechanical properties strictly conform to American ASTM standards. A36 steel bar mainly consists of iron, carbon, silicon, manganese, phosphorus, sulfur and other elements. Iron constitutes more than 99% of the entire chemical composition. Its carbon content proportion is relatively high, around 0.2%, ensuring that the steel has a certain hardness and toughness. The addition of silicon, manganese and other elements enhances the strength and toughness of steel. Phosphorus and sulfur are low so that the steel bar has good welding performance and corrosion resistance. A36 steel bar is used for welded, bolted or riveted construction of bridges and buildings, as well as for general structural purposes. Due to its lowest yield point, A36 can be used to design lighter-weight structures and equipment, and provide good weldability
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Comment & FAQ
| Product Name | A36 Round Steel Bar |
| Standard | EN/DIN/JIS/ASTM/BS/ASME/AISI |
| Common Round Bar Specifications | 3.0-50.8 mm, Over 50.8-300mm |
| Flat Steel Common Specifications | 6.35x12.7mm,6.35x25.4mm,12.7x25.4mm |
| Hexagon Bar Common Specifications | AF5.8mm-17mm |
| Square Bar Common Specifications | AF2mm-14mm, AF6.35mm, 9.5mm, 12.7mm, 15.98mm, 19.0mm,25.4mm |
| Length | 1-6meters, Size Accept Custom |
| Diameter(mm) | Hot Rolling Round Bar | 25-600 | Cold Rolling Square Bar | 6-50.8 |
| Hot Rolling Square Bar | 21-54 | Cold Rolling Hexagon Bar | 9.5-65 |
| Cold Rolling Round bar | 6-101.6 | Forged Rebar | 200-1000 |
| Surface Process | Bright, Polished, Black |
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| Services | Machining(cnc), Centerless Grinding(cg), Heat Treatment, Annealing, Pickling, Polishing, Rolling, Forging, Cutting, Bending, Small Machining, etc. |
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Chemical Composition
| C | Cu | Fe | Mn | P | Si | S |
| 0.25~0.290 | 0.20 | 98.0 | 1.03 | 0.040 | 0.280 | 0.050 |
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Mechanical Properties
| A36 | Limit Tensile Strength | Tensile Strength, Yield Strength | Elongation at Break(Unit: 200mm) | Elongation at Break(Unit: 50mm)
| Modulus of Elasticity | Bulk Modulus(Typical for Steel) | Poisson's Ratio
| Shear Modulus
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| Metric | 400~550MPa | 250MPa | 20.0%
| 23.0%
| 200GPa | 140GPa | 0.260 | 79.3GPa |
| Imperial | 58000~79800psi | 36300psi | 20.0% | 23.0%
| 29000ksi | 20300ksi
| 0.260
| 11500ksi
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Physical Performance
| Physical Performance | Metric | Imperial |
| Density | 7.85 g/cm3 | 0.284 b/in3 |
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Scope of Application
Bolted, riveted or welded structures for bridges, buildings and oil drilling rigs.
Used for forming storage tanks, silos, bearing plates, fixtures, rings, templates, fixtures, sprockets, cams, gears, bottom plates, forgings, decoration engineering, piles, brackets, automobiles and agricultural equipment,
frames. mechanical parts. etc.
