Alloy Steel
Alloy Steel Material Supplier In India
Infinity Steel Industries LLP is a trusted Alloy Steel Products Manufacturer, Supplier, and Exporter in India, offering a wide range of Alloy Steel Pipes, Tubes, Plates, Sheets, Bars, Rods, Fittings, Flanges, and Fasteners. Our alloy steel products are known for their high strength, toughness, and heat resistance. Manufactured as per ASTM and ASME standards, they are widely used in power plants, oil & gas, petrochemical, and engineering industries for demanding applications.
Types of Alloy Steel
Alloy steel is a type of steel that is alloyed with a variety of elements, such as manganese, chromium, nickel, tungsten, vanadium, and silicon, to improve its properties. Depending on the alloying elements and their proportions, alloy steel can be classified into different types.
- Low-Alloy Steel: Contains less than 5% of alloying elements. Used for enhanced strength and toughness in applications like pipes, fittings, and structural components.
- High-Alloy Steel: Contains more than 5% of alloying elements, including stainless and tool steels for high corrosion resistance, heat resistance, or wear resistance.
- Structural Alloy Steel: Engineered for construction and heavy machinery offering high strength, ductility, and weldability.
- Tool Steel: Exceptional hardness, wear resistance, and ability to hold a sharp edge, used for cutting tools, dies, and molds.
We provide a detailed alloy steel products list covering a wide range of types and forms, ensuring you find the right material for your project. For specific product pricing, please contact us for our alloy steel products price list.
Alloy Steel Specifications Table
| Product Form | Common Grades | Size Range | Key Standards |
|---|---|---|---|
| Pipes & Tubes | ASTM A335 P11, P22 | 1/2" to 24" (OD) | ASTM, ASME, DIN |
| Plates & Sheets | ASTM A387 Gr. 11, Gr. 22 | 5mm to 150mm (Thickness) | ASTM, JIS, EN |
| Bars & Rods | SAE 4140, 4340 | 10mm to 300mm (Diameter) | ASTM, AISI, DIN |
| Fittings | ASTM A234 WP11, WP22 | 1/2" to 24" (Size) | ASTM, ASME |
| Forgings | F5, F9, F11, F22 | As per customer drawing | ASTM, ASME, API |
| Flanges | ASTM A182 F11, F22 | 1/2" to 24" (Size) | ASTM, ASME, ANSI |
Alloy Steel Chemical Composition
The chemical composition is what gives alloy steel its unique properties. Below is the typical chemical composition for some of the most popular grades.
| Grade | Carbon (C) % | Manganese (Mn) % | Chromium (Cr) % | Molybdenum (Mo) % | Silicon (Si) % |
|---|---|---|---|---|---|
| ASTM A335 P11 | 0.05 - 0.15 | 0.30 - 0.60 | 1.00 - 1.50 | 0.44 - 0.65 | 0.50 - 1.00 |
| ASTM A335 P22 | 0.05 - 0.15 | 0.30 - 0.60 | 1.90 - 2.60 | 0.87 - 1.13 | 0.50 - 1.00 |
| SAE 4140 | 0.38 - 0.43 | 0.75 - 1.00 | 0.80 - 1.10 | 0.15 - 0.25 | 0.15 - 0.35 |
| SAE 4340 | 0.38 - 0.43 | 0.60 - 0.80 | 0.70 - 0.90 | 0.20 - 0.30 | 0.15 - 0.35 |
Alloy Steel Grades Chart
| Grades | ASTM Equivalent | DIN Equivalent | BS Equivalent | Key Characteristics |
|---|---|---|---|---|
| AS 4140 | 4140 | 1.7225 (42CrMo4) | 709M40 | High strength, good toughness, and excellent wear resistance. |
| AS 4340 | 4340 | 1.6582 (34CrNiMo6) | 817M40 | High hardenability and impact strength; great for heavy-duty parts. |
| AS T22 | ASTM A213 T22 | 10CrMo9-10 | 629 | Excellent for high-temperature service with good creep resistance. |
| AS P11 | ASTM A335 P11 | 13CrMo4-5 | 620 | Good weldability and strength at elevated temperatures. |
Applications of Alloy Steel
- Oil & Gas: Pipes, fittings, flanges, and valves for high-pressure and high-temperature environments.
- Power Generation: Boiler tubes, turbine components, heat exchangers due to heat and creep resistance.
- Automotive: Crankshafts, gears, axles, and transmission components requiring high strength and fatigue resistance.
- Aerospace: Landing gear, engine mounts, structural components where a high strength-to-weight ratio is crucial.
- Heavy Machinery: Construction equipment, mining tools, industrial gears for extreme wear and stress.
| Frequently Asked Questions (FAQ) |
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