Stainless Steel 316/316L Round Bars are premium-grade austenitic stainless steel long products widely used in industrial, marine, and structural engineering environments where superior corrosion resistance is essential. American Metallix Steel Co. manufactures high-performance SS 316 and 316L round bars designed to meet the rigorous demands of chemical processing plants, offshore platforms, power generation units, and heavy fabrication industries.
These stainless steel round bars are engineered for applications that require strength under pressure, resistance to chlorides, and long service life in aggressive conditions. Whether used in shafts, fasteners, pump components, or structural frameworks, Stainless Steel 316/316L Round Bars provide consistent performance and reliability across diverse industrial sectors.
Stainless Steel 316 and 316L are molybdenum-bearing austenitic stainless steels. The addition of approximately 2 to 3 percent molybdenum enhances resistance to pitting and crevice corrosion, especially in chloride-rich environments. The typical chemical composition includes chromium, nickel, and molybdenum, with 316L containing lower carbon content to minimize carbide precipitation during welding. The metallurgical structure of Stainless Steel 316/316L Round Bars is fully austenitic, providing excellent toughness and ductility even at low temperatures. The low carbon content in 316L improves weldability and reduces the risk of intergranular corrosion, making it suitable for welded assemblies in pressure equipment and piping systems. These bars offer high tensile strength, reliable yield strength, and good elongation properties. They maintain mechanical stability in elevated temperature environments and resist scaling in moderate heat exposure. Due to their non-magnetic nature in the annealed condition and excellent formability, they are widely used in precision fabrication and engineered components.
One of the primary advantages of Stainless Steel 316/316L Round Bars is their superior corrosion resistance compared to standard 304 grades. The molybdenum content protects against pitting in marine and chemical environments, making them ideal for coastal infrastructure and processing plants handling acids and chlorides. Strength and durability are equally important benefits. These stainless steel bars withstand heavy loads and continuous stress in structural engineering and mechanical systems. Their resistance to oxidation and chemical attack ensures long operational life, reducing maintenance costs and downtime in industrial facilities. Stainless Steel 316/316L Round Bars also provide excellent fabrication characteristics. They can be machined, welded, and formed into complex components for pressure vessels, heat exchangers, pipelines, and storage tanks. The long-term cost efficiency of these bars comes from their durability, minimal maintenance requirements, and reliable performance in critical applications.
In the oil and gas industry, Stainless Steel 316/316L Round Bars Manufacturers supply high-strength bars used in valve components, pump shafts, and offshore structural parts exposed to saltwater and corrosive fluids. The material’s resistance to chloride-induced corrosion ensures operational safety and extended equipment life.
For fabrication workshops and industrial maintenance units, Stainless Steel 304/304L Round Bars Stockists maintain ready inventory of multiple diameters and finishes. This availability supports quick turnaround for structural frameworks, support brackets, and piping assemblies used in infrastructure and energy projects. In global markets, Stainless Steel 304/304L Round Bars Exporters serve international clients across oil and gas, marine, construction, and heavy engineering sectors. These bars are exported in compliance with international quality standards, ensuring consistency in material properties and surface finish for overseas projects.
Within the chemical and pharmaceutical sectors, Stainless Steel 316/316L Round Bars Suppliers support the production of reactors, mixers, and processing equipment that must withstand aggressive chemicals and high temperatures. The low carbon 316L grade is particularly valued in welded assemblies where corrosion resistance at joints is critical. For construction and heavy engineering projects, Stainless Steel 316/316L Round Bars Stockists provide readily available bar stock for structural supports, fasteners, and machined components used in bridges, marine structures, and industrial frameworks. Consistent dimensional accuracy and surface finish ensure efficient fabrication and installation. In global infrastructure and marine applications, Stainless Steel 316/316L Round Bars Exporters deliver corrosion-resistant round bars to international markets for use in desalination plants, shipbuilding, and coastal power plants. Proper packaging, certification, and adherence to international standards ensure dependable supply across regions.
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 including round bars, pipes, tubes, plates, sheets, and coils are classified under internationally recognized 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, piping systems, and industrial fabrication. EN and DIN standards govern European structural and engineering materials, while JIS applies to Japanese industrial specifications. ISO standards ensure global harmonization of testing methods and quality management systems. Stainless Steel 316 and 316L grades are identified based on alloy composition and performance characteristics, allowing engineers and procurement teams worldwide to specify the correct stainless steel bars and related products for fabrication, structural engineering, and critical process equipment.
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 316/316L Round Bars are available in various dimensions, lengths and forms. Review the complete technical specifications below for your industrial requirements.
| Specification | Details |
|---|---|
| Standard | ASTM A276 / A479, ASME SA276 / A479 |
| Round Bar Size | 3 mm–800 mm |
| Square Bar Size | 4 mm × 4 mm to 100 mm × 100 mm |
| Flat Bar Size | 2 mm–100 mm |
| Hex Bar Size | 2 mm–100 mm |
| Angle Size | 3 mm × 20 mm × 20 mm to 12 mm × 100 mm × 100 mm |
| Thickness | 50 mm to 6000 mm long |
| Length | 1 to 6 meters, custom-cut lengths available |
| Form | Round, square, hex (A/F), rectangle, billet, ingot, forging, etc. |
Stainless Steel 316/316L Round Bars can be supplied in standard or custom-cut lengths, dimensions and forms according to specific project requirements.
The chemical composition of Stainless Steel 316/316L Round Bars includes controlled amounts of carbon, manganese, silicon, phosphorus, sulfur, chromium, molybdenum, nickel and nitrogen for dependable industrial performance.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
|---|---|---|---|---|---|---|---|---|---|
| SS 316 | 0.08 max | 2 max | 0.75 max | 0.045 max | 0.030 max | 16–18 | 2–3 | 10–14 | 0.1 max |
| SS 316L | 0.3 max | 2 max | 0.75 max | 0.045 max | 0.030 max | 16–18 | 2–3 | 10–14 | 0.10 max |
C: Carbon, Mn: Manganese, Si: Silicon, P: Phosphorus, S: Sulfur, Cr: Chromium, Mo: Molybdenum, Ni: Nickel and N: Nitrogen. All listed values represent percentage by weight unless otherwise specified.
The mechanical properties of Stainless Steel 316/316L 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 |
|---|---|---|---|---|
| 8.0 g/cm³ | 1454°C (2650°F) |
75,000 psi 515 MPa |
30,000 psi 205 MPa |
35% |
These values describe the density, melting point, tensile strength, yield strength and elongation of Stainless Steel 316/316L Round Bars. Values may vary according to product dimensions, condition and manufacturing standards.
