Stainless Steel 310/310S Hex Bars are high-temperature resistant austenitic stainless steel products designed for demanding industrial and structural engineering applications. American Metallix Steel Co. manufactures premium quality SS 310 and 310S hex bars that perform reliably in extreme heat, corrosive atmospheres, and high-pressure environments. These hexagonal stainless steel bars are widely used in furnace components, heat treatment fixtures, petrochemical equipment, and heavy fabrication projects where thermal stability and oxidation resistance are critical.The hexagonal shape provides enhanced grip for fasteners, fittings, and precision-machined components. Stainless Steel 310/310S Hex Bars are particularly suitable for industries requiring superior performance under continuous exposure to elevated temperatures, including power plants, refineries, and industrial processing units.
Stainless Steel 310 and 310S are chromium-nickel austenitic stainless steels known for their exceptional resistance to oxidation and high-temperature corrosion. The chemical composition typically includes approximately 24 to 26 percent chromium and 19 to 22 percent nickel. The high chromium content enhances resistance to scaling, while the elevated nickel level ensures structural stability at high temperatures. The difference between 310 and 310S lies primarily in carbon content. Grade 310S has lower carbon, which improves weldability and reduces the risk of carbide precipitation during fabrication. This makes Stainless Steel 310/310S Hex Bars ideal for welded structures exposed to heat. Metallurgically, these grades maintain a stable austenitic microstructure, providing excellent toughness and resistance to thermal fatigue. They retain strength at temperatures up to 1100°C in intermittent service and resist oxidation in continuous high-temperature environments. Their mechanical properties include good tensile strength, moderate yield strength, and reliable elongation, supporting structural and mechanical engineering requirements..
One of the most significant advantages of Stainless Steel 310/310S Hex Bars is their outstanding high-temperature performance. They resist scaling and oxidation better than many other stainless steel grades, making them suitable for furnace parts, radiant tubes, and heat exchangers. Corrosion resistance is another major benefit. These stainless steel hex bars perform well in moderately corrosive environments, including chemical processing systems and industrial exhaust units. Their durability ensures longer service life and reduced maintenance in harsh operating conditions. Strength and structural stability at elevated temperatures contribute to reliable long-term performance in pressure equipment and thermal processing plants. The hexagonal profile also provides excellent torque transmission for fasteners and precision components. While not primarily designed for high-speed machining, they can be fabricated and welded effectively, especially in the 310S variant. This balance of performance and durability enhances cost efficiency over the product lifecycle.
In high-temperature furnace construction, Stainless Steel 310/310S Hex Bars Manufacturers supply materials used for support brackets, burner components, and heat-resistant fasteners that must withstand extreme thermal cycling. Their oxidation resistance ensures structural integrity during prolonged exposure to elevated temperatures. Within petrochemical and oil refining industries, Stainless Steel 310/310S Hex Bars Suppliers provide hex bars for manufacturing fittings, studs, and high-temperature bolting systems used in reactors and processing units. These applications demand materials capable of handling heat and corrosive gases without degradation.
For industrial fabrication and maintenance operations, Stainless Steel 310/310S Hex Bars Stockists maintain ready inventory for custom machining of nuts, bolts, and structural connectors used in power generation facilities and heavy engineering projects. Immediate availability supports efficient project execution and reduces downtime. In global markets serving power plants and chemical processing units, Stainless Steel 310/310S Hex Bars Exporters deliver certified products that comply with international quality standards. These hex bars are commonly used in heat exchangers, kiln components, and thermal processing equipment where consistent high-temperature performance is essential.
Stainless Steel 310/310S Hex Bars are generally manufactured according to ASTM A276 and ASTM A479 specifications for stainless steel bars and shapes used in general and pressure vessel applications. For high-temperature and boiler applications, corresponding ASME standards such as ASME SA276 and ASME SA479 apply. These standards define chemical composition, mechanical properties, heat treatment conditions, and dimensional tolerances. Compliance ensures that SS 310 and 310S hex bars meet the requirements for use in furnaces, pressure equipment, heat exchangers, and industrial piping systems operating at elevated temperatures.
Steel products including hex bars, round bars, pipes, tubes, plates, sheets, and coils are classified under global standards such as ASTM, ASME, EN, DIN, JIS, and ISO. ASTM and ASME standards are widely adopted in North America and the Middle East for pressure vessels and industrial fabrication. EN and DIN standards govern European structural and engineering materials, while JIS standards apply to Japanese industrial specifications. ISO provides international guidelines for quality assurance and testing procedures. Stainless Steel 310 and 310S are identified by their chemical composition and high-temperature performance characteristics, enabling engineers and procurement teams worldwide to specify the appropriate stainless steel long products for structural engineering, chemical processing plants, and thermal equipment.
American Metallix Steel Co. is one of the leading manufacturer and supplier of ASME SA 276/479 Stainless Steel 310 Hex Bar, UNS S31000 Forged Hex Bar, ASTM A276 AISI 310 Stainless Steel Hex Bars, 310 Stainless Steel Black Bar at the best price in India.
Request Latest Price & Stock AvailabilityStainless Steel Hex Bars are available in different sizes, tolerances, finishes and lengths to meet diverse industrial, structural and engineering requirements.
| Specification | Details |
|---|---|
| Dimensions | ASTM, ASME |
| Standard | ASTM / ASME SA A276, A479, ASTM A493 |
| Length | Random, Fix & Cut Length |
| Size | 20MM to 150MM |
Our Stainless Steel Hex Bars conform to NACE MR0175/ISO 15156 requirements.
The chemical composition of Stainless Steel Hex Bars includes controlled amounts of carbon, chromium, manganese, nickel, phosphorus, sulfur and silicon. These elements provide dependable strength, corrosion resistance and industrial performance.
| Element | C | Cr | Mn | Ni | P | S | Si |
|---|---|---|---|---|---|---|---|
| SS 310 | 0.25 max | 24.0 - 26.0 | 2.00 max | 19.0 - 22.0 | 0.045 max. | 0.03 max. | 1.50 max. |
| SS 310S | 0.08 max | 24.0 - 26.0 | 2.00 max | 19.0 - 22.0 | 0.045 max. | 0.03 max. | 1.50 max. |
The table presents the standard chemical composition of Stainless Steel 310 and 310S Hex Bars. All values are expressed as the maximum or nominal percentage by weight in accordance with ASTM specifications.
The mechanical properties of Stainless Steel 310/310S Hex Bars demonstrate their strength and high-temperature performance for industrial applications.
| Element | Density | Melting Range, ℃ | Tensile Strength | Yield Strength | Elongation | Hardness (Brinell) |
|---|---|---|---|---|---|---|
| SS 310 | 8 | 1400 ℃ | 515 MPa | 205 | 40 | 217 |
| SS 310S | 8 | 1400 ℃ | 515 MPa | 205 | 40 - 50 | 160 |
The table presents the standard mechanical properties of Stainless Steel 310 and 310S Hex Bars, including density, melting range, tensile strength, yield strength, elongation and Brinell hardness. These values are specified according to ASTM standards and may vary slightly depending on the manufacturing process and product condition.