Alloy Steel Round Bars
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Alloy Steel Round Bars with Superior Hardness, Wear Resistance, and Machinability – Ready for Industrial Demands.
Alloy Steel Round Bars are cylindrical metal rods made from alloy steel a combination of carbon steel and alloying elements such as chromium, molybdenum and nickel. Alloy steel round bars are very well known for their high strength, toughness, and resistance to wear and corrosion. We at Nandini Steel are one of the well-known alloy steel round bar suppliers in India, committed to delivering our clients the best-quality products according to international standards. Quality is our top priority, as we proudly provide the certification of ISO 9001:2015 for ensuring uniformity in performance as well as quality with each order. Round bars can be manufactured using hot rolling or cold drawing methods as per the specified finish and mechanical properties.
Reliable Alloy Steel Round Bars Manufacturer in Mumbai – Precision-Engineered Bars in Various Grades, Sizes & Standards (ASTM/ASME) at Competitive Prices
Key Features of Alloy Steel Round Bars
- High Strength & Durability: Made from high-grade alloy steel, these bars provide greater tensile strength and durable performance under harsh working conditions.
- Excellent Corrosion Resistance: Suitable for extreme environments, the alloying constituents provide resistance to rust, oxidation, and chemical exposure.
- Versatile Manufacturing Options: Available as Hot Rolled Alloy Steel Round Bars and Cold Drawn Alloy Steel 42CrMo4 Round Bars, each tailored to specific industrial needs.
- Precision & Tolerance Control: Manufactured with tight dimensional accuracy, ensuring uniform diameter and surface finish.
- Custom Sizes & Finishes: Supplied in a range of sizes, thicknesses, and finishes to suit applications across various sectors.
- Heat & Wear Resistance: Withstands high temperatures and mechanical stress, making it suitable for demanding applications like shafts, gears, and heavy-duty tools.
Applications and Grades of Alloy Steel Round Bars
Our Round Bars made of Alloy Steel are available in several grades like 42CrMo4, EN19, EN24, etc., each being designed for some particular mechanical properties. These bars are used in auto spares, construction industry, heavy engineering, oil and gas sector, and power plants Components like axles, crankshafts, fasteners, gears and machine parts rely heavily on the performance of Alloy Steel Rods due to their strength and resilience. With both general and high performance usage, alloy steel is a reliable choice across sectors that demand strength, precision and reliability.
Packaging, Testing and Documentation
We ensure that every Alloy Steel Round Bar is carefully packaged to prevent damage during transportation. Bars are securely bundled and wrapped in protective materials to avoid corrosion and mechanical harm. All products undergo strict quality tests including hardness testing, ultrasonic testing and tensile strength evaluation. We provide full documentation with each order, including mill test certificates and compliance records. Our bars are made according to international manufacturing standards like ASTM, ASME, DIN, JIS, and EN which are available in different sizes, thickness and lengths to serve the needs of diverse industries.
We provide a full selection of Alloy Steel Round Bars, like Hot Rolled Alloy Steel Round Bars and Cold Drawn Alloy Steel 42CrMo4 Round Bars, all of which are designed with specific application requirements.With a strong supply chain and exceptional customer service, we provide timely delivery all over India and worldwide. Are you ready to buy high-quality Alloy Steel Rods? Get in touch with Nandini Steel for best prices, prompt delivery, and professional assistance. Let us be your reliable alloy steel round bar manufacturer in India.
Other Types Alloy Steel Round Bars
Alloy Steel Square Bar
Alloy Steel Hex Bar
Alloy Steel Flat Bar
Alloy Steel Polished Bar
Alloy Steel Round Bars Specification
Specifications : ASTM A182 / A213, ASME SA182
Dimension Standard : EN, DIN, JIS, ASTM, BS, ASME, AISI
Bar Diameter : 3 ~ 800mm
Hex Bar Size : 2-100mm A/F
Flat Bar Size : Thickness: 2 -100mm.
Width : 10 to 500mm.
Square Bar Size : 4 to 100mm
Rectangular Bars : Size: 33 x 30mm to 295 x 1066mm.
Thickness : 3.0 to 12.0mm.
Hollow Bars : 32mm OD x 16mm ID to 250mm OD x 200mm ID)
Billet Size : 1/2 to 495mm Diameter
Finish : Cold (bright) drawn, centreless ground, hot rolled, smooth turned, peeled, slit rolled edge, hot rolled annealed, Rough Turned, Bright, Polish, Grinding, Centreless Ground & Black
Tolerance : H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients requirements
Bar Surface : Bright, Hot Rolled Pickled, Cold Drawn, Sand Blasting Finished, Polished, Hairline
Rolled Bars Condition : Hardened & tempered, annealed
Cold Rolled Bar Technique : Hot Rolled, Cold Drawn, Cold Rolled, Forged Round Bar, Rod
Form : Round, Rod, T-Bar, Channel Bar, Precision Ground Bar, Flat Bar, Square, Blocks, Round Rod, Rings, Hollow, Triangle, Rectangle, Hex (A/F), Threaded, Half Round Bar, Profiles, Billet, Ingot, I/H Bar, Forging etc.
| Grade | C | Mn | Si | P | S | Cr | Mo |
| F1 | 0.15 max | 0.3-0.6 | 0.5 | 0.03 | 0.03 | 4-6 | 0.44-0.65 |
| F5 | 0.15 max | 0.3-0.6 | 0.5-1.0 | 0.03 | 0.03 | 4-6 | 0.44-0.65 |
| F9 | 0.15 max | 0.3-0.6 | 0.5-1.0 | 0.03 | 0.03 | 8-10 | 0.9-1.1 |
| F11 | 0.5-0.15 | 0.3-0.6 | 0.5-1.0 | 0.03 | 0.03 | 1.0-1.5 | 0.44-0.65 |
| F12 | 0.15 max | 0.3-0.6 | 0.5 | 0.03 | 0.03 | 4-6 | 0.44-0.65 |
| F22 | 0.15 max | 0.3-0.6 | 0.5 | 0.03 | 0.03 | 4-6 | 0.44-0.65 |
| F91 | 0.15 max | 0.3-0.6 | 0.5-1.0 | 0.03 | 0.03 | 8-10 | 0.9-1.1 |
| Grade | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| F1 | 275 | 485 | 20 % |
| F5 | 275 | 485 | 20 % |
| F9 | 380 | 585 | 20 % |
| F11 | 205 | 415 | 20 % |
| F12 | 275 | 485 | 20 % |
| F22 | 205 | 415 | 20 % |
| F91 | 380 | 585 | 20 % |
| Material Group | Common Name | Type | UNS | Forging Spec. | Casting Spec. Equivalent | DIN | DIN W. No | Application |
| Low AS | Moly Steel | C-1/2Mo | K12822 | A182-F1 cl2 | A217-WC1 | 15M03 | 1.5415 | Up to 470ºC* (875ºF) |
| AS Chrome Moly | 1.1/4Cr-1/2Mo | K11572 | A182-F11 cl2 | A217-WC6 | 13CRM044 | 1.7335 | Up to 593ºC (1100ºF) | |
| 2.1/4Cr-1Mo | K21590 | A182-F22 cl3 | A217-WC9 | 10CRM0910 | 1.7380 | Up to 593ºC (1100ºF), HP steam | ||
| 5Cr-1/2Mo | K41545 | A182-F5/F5a | A217-C5 | 12CRMO195 | 1.7362 | High temp refinery service | ||
| 9Cr-1Mo | K90941 | A182-F9 | A217-C12 | X 12 CrMo 9 1 | 1.7386 | High temp erosive refinery service | ||
| 9Cr-1Mo-V | A182-F91 | A217-C12A | X 10 CrMoVNb 9 1 | 1.4903 | High pressure steam |
Alloy Steel Round Bars Dimensions
| Diameter or Width (mm) | Weight per meter | Perimeter | Sectional Area | |||
| Round (kg) | Square (kg) | Round (cm) | Square (cm) | Round (cm²) | Square (cm²) | |
|---|---|---|---|---|---|---|
| 5.0 | 0.15 | 0.20 | 1.57 | 2.0 | 0.20 | 0.25 |
| 8.0 | 0.39 | 0.50 | 2.51 | 3.2 | 0.50 | 0.64 |
| 9.0 | 0.50 | 0.64 | 2.83 | 3.6 | 0.64 | 0.81 |
| 6.0 | 0.22 | 0.28 | 1.88 | 2.4 | 0.28 | 0.36 |
| 7.0 | 0.30 | 0.38 | 2.20 | 2.8 | 0.38 | 0.49 |
| 10 | 0.63 | 0.73 | 3.14 | 4.0 | 0.79 | 1.00 |
| 5.5 | 0.19 | 0.24 | 1.78 | 2.2 | 0.24 | 0.30 |
| 14 | 1.21 | 1.54 | 4.40 | 5.6 | 1.54 | 1.96 |
| 11 | 0.75 | 0.95 | 3.46 | 4.4 | 0.95 | 1.21 |
| 12 | 0.89 | 1.13 | 3.77 | 4.8 | 1.13 | 1.44 |
Thickness Chart For Alloy Steel Round Bars
| Size in inches | Round | Hexazon | Square | Octagon |
| 1/16 | .010 | .012 | .013 | .011 |
| 7/64 | .031 | .034 | .039 | .033 |
| 3/16 | .094 | .104 | .120 | .099 |
| 5/64 | .017 | .019 | .022 | .018 |
| 3/32 | .023 | .025 | .029 | .024 |
| 13/64 | .110 | .121 | .140 | .116 |
| 5/32 | .065 | .072 | .083 | .069 |
| 11/64 | .079 | .087 | .100 | .083 |
| 1/8 | .042 | .046 | .053 | .044 |
| 9/64 | .053 | .058 | .067 | .056 |
Alloy Steel Round Bars Surface Finish
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| Tiruchirappalli (Tamil Nadu) | Srinagar (Jammu & Kashmir) | Ludhiana (Punjab) | Warangal (Telangana) |
| Kolkata (West Bengal) | Bikaner (Rajasthan) | Panaji (Goa) | Guntur |
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