Stainless Steel 310/310S Round Bars are high-temperature resistant austenitic stainless steel products engineered for extreme heat and corrosive industrial environments. American Metallix Steel Co. manufactures premium quality SS 310 and 310S round bars designed to perform reliably in furnaces, heat treatment plants, petrochemical facilities, and power generation units. These stainless steel round bars are widely used in applications where oxidation resistance, thermal stability, and structural strength at elevated temperatures are critical.
In industrial and mechanical engineering sectors, Stainless Steel 310/310S Round Bars are trusted for components exposed to continuous high temperatures. From radiant tubes and boiler parts to structural supports in high-heat environments, these bars maintain mechanical integrity and resist scaling under prolonged thermal exposure. Their performance in extreme conditions makes them a preferred material for demanding fabrication and structural engineering projects.
Stainless Steel 310 and 310S are chromium-nickel austenitic stainless steels known for exceptional oxidation resistance and high-temperature strength. The typical chemical composition includes approximately 24 to 26 percent chromium and 19 to 22 percent nickel. The higher chromium content enhances oxidation resistance, while nickel improves structural stability and toughness. The 310S grade contains lower carbon content compared to 310, which reduces carbide precipitation during welding and improves weldability. Metallurgically, Stainless Steel 310/310S Round Bars possess a stable austenitic microstructure that provides excellent toughness even at elevated temperatures. These bars demonstrate strong resistance to thermal fatigue and cyclic heating conditions. They offer high tensile strength and good creep resistance, making them suitable for load-bearing components operating in high-temperature zones. The material also performs well in moderately corrosive chemical environments. It resists scaling at temperatures up to approximately 1100°C in continuous service and even higher in intermittent service. These properties make Stainless Steel 310/310S Round Bars ideal for heat exchangers, kiln liners, combustion chambers, and pressure equipment exposed to intense heat.
One of the most significant advantages of Stainless Steel 310/310S Round Bars is their outstanding high-temperature oxidation resistance. The elevated chromium and nickel levels allow the formation of a stable oxide layer that protects the surface from scaling and degradation during prolonged heat exposure. This ensures reliable performance in furnace parts, thermal processing systems, and refinery equipment. Strength retention at elevated temperatures is another key benefit. These stainless steel bars maintain structural integrity under mechanical stress in hot environments, reducing the risk of deformation or failure. This makes them suitable for structural supports and load-bearing components in high-temperature industrial facilities. Stainless Steel 310/310S Round Bars also provide good weldability and fabrication characteristics, particularly in the 310S low-carbon grade. They can be machined and formed using appropriate techniques, allowing manufacturers to produce custom components for power plants, chemical reactors, and industrial piping systems. Their long service life and reduced maintenance requirements contribute to cost efficiency in heavy industrial applications.
In heat treatment plants and furnace manufacturing, Stainless Steel 310/310S Round Bars Manufacturers supply high-temperature resistant bars used in radiant tubes, furnace rollers, and structural frames exposed to extreme thermal cycles. Their ability to resist scaling and maintain strength ensures operational reliability and safety. Within petrochemical and refinery sectors, Stainless Steel 310/310S Round Bars Suppliers provide corrosion and heat resistant bar stock for reformer tubes, burner components, and high-temperature piping systems. These bars are selected for applications involving continuous exposure to elevated temperatures and aggressive gases. For heavy engineering and fabrication workshops, Stainless Steel 310/310S Round Bars Stockists maintain ready inventory for the production of heat exchangers, boiler components, and industrial supports. Immediate availability of certified materials helps reduce downtime and supports urgent project requirements in power plants and processing facilities.
In international industrial markets, Stainless Steel 310/310S Round Bars Exporters deliver precision-engineered stainless steel long products for use in cement plants, glass manufacturing units, and energy infrastructure projects. Compliance with global standards and secure packaging ensures safe transport and consistent quality across borders.
Stainless Steel 310/310S Round Bars are commonly manufactured in accordance with ASTM A276 and ASTM A479 specifications, which cover hot-finished and cold-finished stainless steel bars for general engineering and pressure vessel applications. The corresponding ASME standards include ASME SA276 and ASME SA479 for use in boilers, pressure vessels, and high-temperature service equipment. These standards define chemical composition limits, mechanical properties, heat treatment conditions, and dimensional tolerances to ensure performance reliability. Compliance with ASTM and ASME requirements guarantees that Stainless Steel 310/310S Round Bars meet the stringent demands of thermal processing units, industrial piping systems, and structural frameworks operating under elevated temperatures.
Stainless Steel 316/316L Round Bars are typically manufactured in accordance with ASTM A276 and ASTM A479 specifications, which cover stainless steel bars and shapes for general and pressure vessel applications. For high-temperature and boiler applications, the corresponding ASME standards include ASME SA276 and ASME SA479. These standards define chemical composition limits, mechanical properties, heat treatment conditions, and dimensional tolerances to ensure suitability for industrial piping systems, pressure equipment, and structural components. Compliance with these specifications guarantees consistent quality, traceability, and performance in demanding environments such as refineries, power plants, and chemical processing facilities.
Steel products such as round bars, pipes, tubes, plates, sheets, and coils are identified and classified according to international standards including ASTM, ASME, EN, DIN, JIS, and ISO. ASTM and ASME standards are widely used for pressure equipment, industrial fabrication, and power plant components. EN and DIN standards regulate European material specifications for structural and engineering applications, while JIS standards define Japanese industrial grades. ISO standards provide globally recognized testing and quality assurance frameworks. Stainless Steel 310 and 310S grades are designated based on their chemical composition and high-temperature performance characteristics, allowing engineers and procurement specialists worldwide to specify the correct stainless steel bars, pipes, and plates for demanding industrial environments.
American Metallix Steel Co. is one of the trusted manufacturers & suppliers of 316 Stainless Steel ASTM A276 Round Bar, SS 316L ASME SA 276 Polished Bar, 316 SS Black Bar, 316/316L/316L Stainless Steel Rods, ASTM A276 SUS 316 Round Bar, ASME SA 276 304L Bar, Round Bar, Hex Bar at the best price in India.
Request Latest Price & Stock AvailabilityStainless Steel 310/310S Round Bars are available in various dimensions, finishes, lengths and forms. Review the technical specifications below for your industrial requirements.
| Specification | Details |
|---|---|
| ASTM Specifications | ASTM A276, A479 / ASME SA276, SA479 |
| Dimensions | EN, DIN, JIS, ASTM, BS, ASME and AISI |
| Hex Bars in Millimeters | 18 mm–57 mm (11/16″ to 2-3/4″) |
| Round Bars Diameter | Outside diameter ranging from 4 mm to 500 mm |
| Bright Bars Diameter | Outside diameter ranging from 4 mm to 100 mm |
| Square Bars in Millimeters | 18 mm–47 mm (11/16″ to 1-3/4″) |
| Finish | Black, bright polished, rough turned, NO.4 finish, matt finish and BA finish |
| Length | 1 to 6 meters, custom-cut lengths available |
| Flat Bars in Millimeters | 1/2″ to 10″ in a thickness range of 2 mm to 150 mm |
| Form | Round, square, hex (A/F), rectangle, billet, ingot, forging, etc. |
Stainless Steel 310/310S Round Bars can be supplied in standard or custom-cut lengths, dimensions, forms and finishes according to specific project requirements.
The chemical composition of Stainless Steel 310/310S Round Bars includes controlled amounts of carbon, manganese, silicon, phosphorus, sulfur, chromium, molybdenum, nickel and iron for reliable high-temperature performance.
| Grade | Carbon | Manganese | Silicon | Phosphorus | Sulfur | Chromium | Molybdenum | Nickel | Iron |
|---|---|---|---|---|---|---|---|---|---|
| SS 310 | 0.015 max | 2 max | 0.15 max | 0.20 max | 0.015 max | 24–26 | 0.15 max | 19–21 | 54.7 min |
| SS 310S | 0.08 max | 2 max | 1.0 max | 0.045 max | 0.030 max | 24–26 | 0.75 max | 19–21 | 53.095 min |
The table lists carbon, manganese, silicon, phosphorus, sulfur, chromium, molybdenum, nickel and iron content. All listed values represent percentage by weight unless otherwise specified.
The mechanical properties of Stainless Steel 310/310S Round Bars indicate their density, melting point, tensile strength, yield strength and elongation for industrial applications.
| Density | Melting Point | Tensile Strength |
Yield Strength (0.2% Offset) |
Elongation |
|---|---|---|---|---|
| 7.9 g/cm³ | 1402°C (2555°F) |
75,000 psi 515 MPa |
30,000 psi 205 MPa |
40% |
These values describe the density, melting point, tensile strength, yield strength and elongation of Stainless Steel 310/310S Round Bars. Values may vary according to product dimensions, condition and manufacturing standards.
