Stainless Steel Round Bars are essential components in modern engineering and support many industrial, mechanical and structural applications. American Metallix Steel Co. supplies high-performance stainless steel round bars for fabrication, construction and heavy-duty manufacturing. These bars provide exceptional strength, corrosion resistance and dimensional stability. They also support infrastructure development, precision machining and demanding industrial operations.
Stainless Steel Round Bars are cylindrical metal products manufactured from stainless steel alloys that typically contain iron, chromium, nickel, and other alloying elements such as molybdenum. The chromium content, usually above 10.5 percent, forms a passive oxide layer that protects against corrosion. Depending on the grade, these bars may also include enhanced elements for improved mechanical strength, heat resistance, and chemical durability. Metallurgically, stainless steel round bars exhibit excellent tensile strength, high fatigue resistance, and superior toughness, making them suitable for both high-pressure and high-temperature applications. Their uniform grain structure and controlled composition ensure consistent performance in machining, welding, and forming processes.
Stainless Steel Round Bars offer a wide range of advantages that make them indispensable in industrial applications. Their high strength-to-weight ratio ensures robust performance without excessive material usage. Corrosion resistance provides an important benefit in environments exposed to moisture, chemicals or extreme temperatures. These bars offer excellent durability, helping reduce maintenance costs and extend service life. Their machinability supports accurate shaping and fabrication for complex engineering designs. Long-term performance and reduced replacement frequency also deliver excellent cost efficiency.
Stainless Steel Round Bars maintain their structural integrity under stress, making them suitable for demanding industrial operations. Manufacturers commonly use them for shafts, fasteners, couplings and machined components that require strength and dimensional accuracy. Their mechanical stability makes them suitable for workshops producing precision-engineered parts.
Structural engineers use Stainless Steel Round Bars for supports, frames, braces and load-bearing elements in commercial and industrial buildings. The material provides a reliable balance between strength and corrosion resistance for interior and semi-exposed structures. In construction and infrastructure, these bars support reinforcement systems, bridges, buildings and marine structures exposed to challenging environmental conditions.
The automotive and mechanical engineering industries use Stainless Steel Round Bars to manufacture shafts, fasteners and precision components. Their high tensile strength and machinability make them suitable for high-performance mechanical systems. Chemical processing plants also use these bars in equipment exposed to corrosive substances. Their resistance to acids and chemicals supports reliable operation in reactors, pipelines and pressure vessels.
In energy and power generation, Stainless Steel Round Bars support turbines, heat exchangers and boiler components. Selected grades can withstand high temperatures and pressure, making them valuable for efficient and dependable energy production.
Stainless Steel Round Bars Manufacturers play an important role in producing quality materials that meet stringent international standards. American Metallix Steel Co. follows precise manufacturing processes, consistent quality controls and advanced metallurgical practices to deliver dependable products. Stainless Steel Round Bars Suppliers support industries through timely material availability, efficient inventory management and reliable supply chains.
Stainless Steel Round Bars Stockists maintain numerous grades and sizes for urgent industrial requirements. Their availability helps reduce project delays and maintain operational continuity. Stainless Steel Round Bars Exporters deliver high-grade products to international markets while following global standards and export packaging requirements.
Manufacturers produce Stainless Steel Round Bars according to recognized standards such as ASTM A276, ASTM A479 and ASME SA276. These standards define chemical composition, mechanical properties, heat treatment and testing requirements. Common grades include 304, 316, 321 and 410. Each grade offers characteristics suited to specific industrial applications. Standards compliance supports product reliability, safety and compatibility with pressure equipment, piping systems and structural frameworks.
International standards such as ASTM, ASME, EN, DIN, JIS and ISO classify steel bars, pipes, tubes, plates, sheets and coils. These standards create a unified system for identifying material composition, mechanical properties and application suitability. ASTM and ASME standards are widely used for pressure equipment, while EN and DIN standards remain common across Europe. JIS standards are prevalent in Japan, while ISO supports global harmonization. Naming conventions often include grade numbers, alloy composition and processing methods, ensuring consistency across international supply chains.
American Metallix Steel Co. is one of the leading manufacturer and supplier of Stainless Steel Round Bars, including hot rolled, cold drawn, polished, and bright bar variants, offering consistent quality at competitive prices.
Request Latest Price & Stock AvailabilityStainless steel round bars are available in different grades, lengths, finishes and heat-treated conditions. Review the specifications below to select the appropriate round bar for your industrial application.
| Specification | Details |
|---|---|
| Stainless Steel Bar Length | 2 to 6 meters or 8 to 20 feet |
| Grade | 202, 303, 304/304L, 316/316L, 310/310S, 321, 347/347H, 904L, 410, 420 and 431 |
| SS Rod Chamfering | Available in 30°, 45° and 60° through a fully automatic both-end chamfering machine |
| Ultrasonic Test of ASTM A276 Threaded Rod | As per ASTM A388, EN 10308 Classes 1 to 4, API 6A/ISO 10423:2003 PSL 3, MIL-STD-2154 and SEP 1920:1984. The material undergoes 100% testing using a digital ultrasonic flaw detector. |
| SS Round Bar Size Tolerances | h11 |
| Tolerance of Cold-Rolled SS Round Bar Length | Special cut-to-length bars are stocked with a tolerance of −0/+10 mm or −0/+0.5 inch |
| Surface Finish of Cold-Rolled SS Bar | Cold-drawn or belt-polished condition |
| Bar Heat Treatment | Annealed and solution annealed |
Accurate dimensions, testing standards, surface finishes and heat-treatment conditions help ensure reliable machining, mechanical performance and long-term service in demanding industrial applications.
The chemical composition of stainless steel round bars varies according to the selected grade. Chromium, nickel, molybdenum and other alloying elements determine corrosion resistance, strength and high-temperature performance.
| Grade | C | Mn | Si | S | P | Cr | Ni | Mo | Other |
|---|---|---|---|---|---|---|---|---|---|
| 304 | 0.08 max | 2.00 max | 0.75 max | 0.030 max | 0.045 max | 18.0–20.0 | 8.0–11.0 | — | — |
| 316 | 0.08 max | 2.00 max | 0.75 max | 0.030 max | 0.045 max | 16.0–18.0 | 10.0–14.0 | 2.0–3.0 | — |
| 317L | 0.035 max | 2.00 max | 0.75 max | 0.030 max | 0.045 max | 18.0–20.0 | 11.0–14.0 | 3.0–4.0 | — |
| 310S | 0.08 max | 2.00 max | 1.50 max | 0.030 max | 0.045 max | 24.0–26.0 | 19.0–22.0 | 3.0–4.0 | — |
| 347H | 0.04–0.10 | 2.00 max | 0.75 max | 0.030 max | 0.045 max | 17.0–19.0 | 9.0–13.0 | — | 10C ≤ (Cb + Ta) < 1.10% |
| 321 | 0.08 | 2.00 max | 0.75 max | 0.030 max | 0.045 max | 17.0–20.0 | 9.0–12.0 | — | 5C–0.70% |
C: Carbon, Mn: Manganese, Si: Silicon, S: Sulfur, P: Phosphorus, Cr: Chromium, Ni: Nickel and Mo: Molybdenum. All listed values represent percentage by weight unless otherwise specified.
Mechanical properties help determine the strength, flexibility, density and temperature performance of each stainless steel round bar grade.
| Grade | Elongation | Density | Tensile Strength | Yield Strength (0.2% Offset) |
Melting Point |
|---|---|---|---|---|---|
| SS 202 | 40% | 8.0 g/cm³ | 515 MPa | 275 MPa | 1454°C (2650°F) |
| SS 303 | 50% | 55% | 85,000 psi | 45,000 psi | Rb 180 |
| SS 304 | 40% | 8.0 g/cm³ | 75,000 psi / 515 MPa | 30,000 psi / 205 MPa | 1400°C (2550°F) |
| SS 304L | 40% | 8.0 g/cm³ | 75,000 psi / 515 MPa | 30,000 psi / 205 MPa | 1400°C (2550°F) |
| SS 316 | 35% | 8.0 g/cm³ | 75,000 psi / 515 MPa | 30,000 psi / 205 MPa | 1454°C (2650°F) |
| SS 316L | 40% | 8.0 g/cm³ | 485 MPa minimum | 170 MPa minimum | 1400°C (2550°F) |
Values can vary according to product condition, heat treatment, dimensions and applicable manufacturing standards. Confirm the required values before final material selection.
