Rupal Metals, located in Delhi, India, stands out as a top manufacturer and supplier of high-quality Alloy Steel Rectangular Bars. These bars are celebrated for their exceptional strength, durability, and versatility across various industrial applications. Crafted with cutting-edge techniques and rigorous quality checks, they perform remarkably well in demanding environments characterized by high stress, temperature, and wear. Rupal Metals offers a range of alloy steel rectangular bars in different grades and sizes, catering to industries such as construction, machinery, automotive, oil & gas, and power generation. With a commitment to quality, customization, and timely delivery, we ensure our products align with international standards and meet specific customer needs.
Alloy Steel Rectangular Bars are made from a mix of alloy elements, including Chromium, Molybdenum, Nickel, Manganese, and Carbon. These components significantly boost the material’s tensile strength (up to 850 MPa), yield strength, hardness, and its ability to withstand impact and heat. Depending on the specific grade—like AISI 4140, 4340, or F-series—these bars provide excellent machinability, fatigue resistance, and wear performance. Heat treatment methods such as quenching and tempering further enhance their mechanical properties. The rectangular design makes them versatile for fabrication and suitable for heavy-duty structural and engineering applications.
| Specifications | ASTM A182, ASME SA182 |
|---|---|
| Dimensions | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Range | 5mm to 500mm Dia in 100mm to 6000mm Length |
| Diameter | 10 mm To 200 mm |
| Thickenss | 0.5mm to 500mm Diameter |
| High Speed Steel (HSS), HCHCR & OHNS in Grade | M2, M3, M35, M42, T-1, T-4, T-15, T-42, D2, D3, H11, H13, OHNS-01 & EN52 |
| Finish | Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish |
| Length | 1000 mm Long To 6000 mm Long |
| Form | Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc. |
| Element | C | Cr | Mn | Mo | P | S | Si | Ni |
| F5 | 0.15 Max | 4.0-6.0 | 0.30-0.60 | 0.44-0.65 | 0.035 Max | 0.030 Max | 0.50 Max | 0.50 Max |
| F1 | 0.15 Max | 3.0-5.0 | 0.30-0.60 | 0.40-0.50 | 0.035 Max | 0.030 Max | 0.50 Max | 0.50 Max |
| F22 | 0.05-0.15 | 2.00-2.50 | 0.30-0.60 | 0.90-1.10 | 0.035 Max | 0.040 Max | 0.50 Max | – |
| F91 | 0.08-0.12 | 8.0-9.5 | 0.30-0.60 | 0.85-1.05 | 0.020 Max | 0.010 Max | 0.20-0.50 | 0.40 Max |
| F9 | 0.15 Max | 8.0-10.0 | 0.30-0.60 | 0.90- 1.10 | 0.030 Max | 0.030 Max | 0.50- 1.00 | – |
| F11 | 0.10-0.20 | 1.00-1.50 | 0.40-0.65 | 0.44-0.65 | 0.025 Max | 0.040 Max | 0.50-0.80 | – |
| Grade | Tensile Strength (ksi) min | Elongation (% in 50mm) min | Yield Strength 0.2% Proof (ksi) min |
| F9 | 415 | 30 | 205 |
| F5 | 275 | 485 | 20 |
Alloy steel rectangular bars are not inherently environmentally friendly due to energy-intensive production processes and mining of raw materials. However, they can be recycled, reducing their environmental impact.
Yes, alloy steel rectangular bars are customizable in terms of dimensions, alloy composition, and surface finish. They can be tailored to specific applications, including strength, corrosion resistance, and shape requirements.
Alloy steel rectangular bars are durable due to their alloying elements like chromium, nickel, and molybdenum, which enhance strength, hardness, and resistance to wear, corrosion, and high temperatures, making them long-lasting.
Alloy Steel Rectangular Bars find extensive use in industries that demand robust, wear-resistant materials for both structural and mechanical components. They are commonly utilized in machine frames, base plates, tooling supports, gears, shafts, jigs, dies, and equipment for agriculture or mining. Additionally, these bars are perfect for construction supports, bridges, automotive parts, and components that face high stress.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Rupal Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Delhi, India
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