Stainless Steel 316/316L Square Bars are high-performance stainless steel long products designed for structural, industrial, and heavy engineering applications that demand strength and superior corrosion resistance. Steel Icon Stainless Pvt. Ltd. manufactures precision-engineered SS 316 and 316L square bars suitable for fabrication, machining, and load-bearing components across demanding sectors such as marine engineering, chemical processing, oil and gas, and power generation.
The square bar profile offers excellent structural stability and is widely used in frameworks, supports, base plates, and machined parts. Stainless Steel 316/316L Square Bars are especially preferred in environments exposed to chlorides, moisture, and aggressive chemicals, where long-term performance and minimal maintenance are critical.
Stainless Steel 316 and 316L are molybdenum-bearing austenitic stainless steels known for enhanced corrosion resistance compared to standard 304 grades. The alloy typically contains chromium, nickel, and 2 to 3 percent molybdenum, which significantly improves resistance to pitting and crevice corrosion in chloride-rich environments. The 316L variant features lower carbon content, reducing the risk of intergranular corrosion after welding.
Metallurgically, Stainless Steel 316/316L Square Bars have a fully austenitic microstructure that provides excellent toughness, even at sub-zero temperatures. The alloy delivers strong tensile and yield strength, reliable elongation, and high impact resistance. These properties make it suitable for load-bearing structural components and precision-machined parts used in pressure equipment and piping systems.
The material performs well under moderate to high temperatures and maintains resistance to oxidation. Its non-magnetic nature in the annealed condition, combined with good weldability and formability, makes Stainless Steel 316/316L Square Bars a dependable choice for complex fabrication projects and engineered assemblies.
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One of the main advantages of Stainless Steel 316/316L Square Bars is their exceptional corrosion resistance. The molybdenum content enhances protection against chloride-induced corrosion, making these bars ideal for marine structures, desalination plants, and coastal infrastructure. This resistance significantly extends service life in harsh industrial environments.
Strength and durability are equally important. These square bars provide excellent load-bearing capacity and structural stability, ensuring reliability in heavy-duty applications. Their resistance to chemical attack makes them suitable for reactors, heat exchangers, storage tanks, and processing equipment used in chemical and pharmaceutical industries.
Stainless Steel 316/316L Square Bars also offer good machinability and fabrication performance. The 316L grade is particularly valued in welded constructions due to its reduced carbon content. Over time, the combination of durability, corrosion resistance, and low maintenance contributes to overall cost efficiency, making them a preferred material in long-term industrial investments.
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In marine and offshore engineering projects, Stainless Steel 316/316L Square Bars Manufacturers supply corrosion-resistant square sections used in support frames, deck fittings, and structural reinforcements exposed to saltwater and high humidity. The material’s resistance to pitting ensures structural integrity over extended service periods. For chemical processing plants and refineries, Stainless Steel 316/316L Square Bars Suppliers provide high-quality square bars used in equipment supports, structural assemblies, and machined components that come into contact with acids and process fluids. The superior resistance to chemical corrosion enhances safety and operational reliability.
In construction and heavy fabrication industries, Stainless Steel 316/316L Square Bars Stockists maintain ready inventory for immediate use in structural frameworks, base supports, and precision machined parts. Availability in various sizes ensures smooth project execution in power plants, industrial sheds, and infrastructure developments. Across international markets, Stainless Steel 316/316L Square Bars Exporters deliver certified stainless steel square bars for global engineering projects, including desalination plants, shipbuilding yards, and industrial fabrication units. Strict quality control and compliance with international standards support seamless integration into diverse applications.
Stainless Steel 316/316L Square Bars in United States, Stainless Steel 316/316L Square Bars Manufacturers in United States, Stainless Steel 316/316L Square Bars Suppliers in United States, Stainless Steel 316/316L Square Bars Stockists in United States, Stainless Steel 316/316L Square Bars Exporters in United States
Stainless Steel 316/316L Square Bars are commonly manufactured according to ASTM A276 and ASTM A479 specifications, which cover stainless steel bars and shapes intended for general and pressure vessel applications. The equivalent ASME standards include ASME SA276 and ASME SA479, ensuring suitability for high-temperature service, boiler components, and pressure equipment. These standards define chemical composition limits, mechanical properties, heat treatment requirements, and dimensional tolerances. Compliance guarantees that Stainless Steel 316/316L Square Bars meet global quality expectations for industrial fabrication, piping systems, structural components, and critical process equipment.
Steel products such as square bars, round bars, pipes, tubes, plates, sheets, and coils are named and classified under international standards to ensure uniformity and traceability. ASTM and ASME standards are widely used in North America and the Middle East for pressure vessels and industrial piping. EN and DIN standards govern European structural and engineering materials, while JIS applies to Japanese industrial grades. ISO standards harmonize testing methods and quality management systems globally. Stainless Steel 316 and 316L grades are designated based on alloy composition and performance characteristics, allowing engineers and procurement teams to select appropriate materials for structural engineering, chemical processing, power plants, and industrial fabrication.
Steel Icon Stainless Pvt. Ltd. is one of the leading manufacturer and supplier of SS 316 Square Tube Supplier in India, Purchase In Bulk Or In Small Amounts of SS 316 Square Pipe, 316 SS Black Bar, 316 Stainless Steel Rods, ASTM A276 SUS 316 Round Bar, ASME SA 276 316 Bar, Square Bar, Hex Bar at the best price in India.
Request Latest Price & Stock Availability| Specifications | ASTM A276, A479 / ASME SA276, SA479 |
|---|---|
| Range | 3.17 MM TO 350 MM DIA |
| Diameter | 25mm to 152mm |
| Tolerance | h8, h9(DIN 671), h10, h11, ASTM A484, DIN 1013. |
| Finish | Bright, Polish & Black. |
| Form | Square |
| Condition | Cold Drawn & Polished Cold Drawn, Centreless Ground & Polished |
| Other Services | Machining (CNC), Centreless Grinding (CG), Heat Treatment, Anneling, Pickling, Polish, Rolling, Forging, Cutting, Bending, Minor Fabrication |
| C | Mn | Si | P | S | Cr | Mo | Ni | N | |
|---|---|---|---|---|---|---|---|---|---|
| 316L (S31603) |
0.03 max |
2.0 max |
0.75 max |
0.045 max |
0.03 max |
min: 16.0 max: 18.0 |
min: 2.0 max: 3.0 |
min: 10.0 max: 14.0 |
0.10 max |
| Grade | Tensile Strength ksi (min) |
Yield Strength 0.2% ksi (min) |
Elongation % | Hardness (Brinell) MAX | Hardness (Rockwell B) MAX |
|---|---|---|---|---|---|
| 316L (S31603) | 70 | 25 | 40 | 217 | 95 |
