Stainless Steel 317L Flanges are high-performance piping components engineered for demanding industrial environments where superior corrosion resistance and mechanical strength are essential. Steel Icon Stainless Pvt. Ltd. manufactures precision-grade SS 317L flanges designed for use in chemical processing plants, oil and gas facilities, power generation units, marine systems, and structural engineering projects. These flanges are widely used to connect pipes, valves, pumps, and other equipment in pressure piping systems that operate under corrosive and high-temperature conditions.
In industries where process reliability and leak-proof joints are critical, Stainless Steel 317L Flanges provide a secure and durable solution. Their enhanced molybdenum content makes them particularly suitable for aggressive chemical environments, ensuring long service life and operational safety in complex piping networks.
Stainless Steel 317L is an austenitic chromium-nickel stainless steel alloy with higher molybdenum content than 316L. The chemical composition typically includes increased levels of chromium, nickel, and approximately 3 to 4 percent molybdenum. The low carbon content in 317L minimizes carbide precipitation during welding, reducing the risk of intergranular corrosion in welded structures.
The austenitic microstructure of Stainless Steel 317L Flanges provides excellent toughness, ductility, and resistance to chloride-induced pitting and crevice corrosion. These flanges maintain their mechanical properties at elevated temperatures and exhibit good resistance to acidic media, including sulfuric and phosphoric acids. Their high tensile strength and reliable yield strength make them suitable for heavy-duty pressure equipment and structural applications.
Stainless Steel 317L Flanges are available in various types, including slip-on, weld neck, blind, socket weld, and threaded configurations. They are machined to precise tolerances to ensure proper alignment and tight sealing in piping assemblies. Their compatibility with stainless steel pipes, tubes, and fittings ensures seamless integration in industrial fabrication projects.
Stainless Steel 317L Flanges, Stainless Steel 317L Flanges Manufacturers, Stainless Steel 317L Flanges Suppliers, Stainless Steel 317L Flanges Stockists, Stainless Steel 317L Flanges Exporters
One of the key advantages of Stainless Steel 317L Flanges is their superior corrosion resistance compared to standard 304 and 316 grades. The higher molybdenum content enhances resistance to pitting, especially in chloride-rich and acidic environments. This makes them ideal for chemical processing plants, offshore installations, and marine infrastructure.
Strength and durability are equally important benefits. These flanges are capable of withstanding high internal pressures and fluctuating temperatures in process pipelines and pressure vessels. Their structural integrity ensures long-term reliability in critical applications such as refineries, desalination plants, and power stations.
Stainless Steel 317L Flanges also offer excellent weldability and fabrication properties. The low carbon content reduces the risk of sensitization during welding, maintaining corrosion resistance at welded joints. Over time, their resistance to scaling, oxidation, and chemical attack contributes to lower maintenance costs and improved operational efficiency, making them a cost-effective choice for long-term industrial use.
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In petrochemical and refinery operations, Stainless Steel 317L Flanges Manufacturers supply high-integrity flanges for connecting pipelines that transport corrosive fluids and high-temperature gases. Their resistance to aggressive chemicals ensures safe and continuous plant operations.
Within the chemical processing and fertilizer industries, Stainless Steel 317L Flanges Suppliers provide flanges used in reactors, heat exchangers, and storage tanks where exposure to acidic solutions demands superior corrosion resistance and mechanical stability.
For heavy engineering and industrial fabrication projects, Stainless Steel 317L Flanges Stockists maintain ready inventory of standard and customized flange sizes to support maintenance shutdowns, expansion projects, and structural piping installations in power plants and manufacturing facilities. In global infrastructure and marine projects, Stainless Steel 317L Flanges Exporters deliver certified flanges to international markets for use in offshore platforms, desalination plants, and coastal processing units where resistance to saltwater corrosion is essential.
Stainless Steel 317L Flanges in United States, Stainless Steel 317L Flanges Manufacturers in United States, Stainless Steel 317L Flanges Suppliers in United States, Stainless Steel 317L Flanges Stockists in United States, Stainless Steel 317L Flanges Exporters in United States
Stainless Steel 317L Flanges are commonly manufactured in accordance with ASTM A182 specification for forged or rolled alloy and stainless steel pipe flanges, forged fittings, and valves for high-temperature service. The corresponding ASME standard is ASME SA182, which defines material requirements for pressure-containing components used in boilers, pressure vessels, and piping systems. These standards specify chemical composition, mechanical properties, heat treatment conditions, and testing procedures to ensure compliance with industrial safety and performance requirements. Adherence to ASTM and ASME codes guarantees that Stainless Steel 317L Flanges meet global quality benchmarks for use in critical process industries.
Steel products such as flanges, bars, pipes, tubes, plates, sheets, and coils are classified under globally recognized standards including ASTM, ASME, EN, DIN, JIS, and ISO. ASTM and ASME standards are widely used in North America and the Middle East for pressure piping systems and industrial fabrication. EN and DIN standards regulate materials across Europe, while JIS governs Japanese industrial specifications. ISO standards harmonize quality management and testing procedures worldwide. Stainless steel grades like 317L are designated based on chemical composition and performance characteristics, enabling engineers and procurement teams to select compatible materials for piping systems, structural frameworks, and heavy engineering applications across international markets.
Steel Icon Stainless Pvt. Ltd. is one of the leading manufacturers & suppliers of ASTM A182 SS 317 Weldneck Flange, 317 SS SORF Flange, UNS S31700 Forge Flange, Stainless Steel 317 Blind Flange, DIN 1.4449 Flat Flange, DIN 1.4449 Lap Joint Flange, UNS S31700 Groove Flange, ASME SA182 SS 317 Socketweld Flange at the best price in India
Request Latest Price & Stock Availability| Specification | ASTM A182 / ASME SA182 |
|---|---|
| Dimension Standard | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
| Standard | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc. |
| Size | 1/2" (15 NB) to 48" (1200NB) |
| Class / Pressure | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
| Flange Face Type | Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ) |
| DIN Flanges | DIN 2527, 2566, 2573, 2576, 2641,2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637,2638, 2673. |
| JIS Flanges | JIS B2220 5K, JIS B2220 10K, JIS B2220 16K, JIS B2220 20K |
| BS Flanges | BS4504 PN 6, BS 4504 PN 10, BS4504 PN 16, BS4504 PN 25, BS4504 PN 40, BS 4504 PN 64, BS 4504 PN 100, BS 4504 PN 160, BS 4504 PN 250, BS 10, BS Table D, BS Table E, BS Table F, BS Table H. |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
|---|---|---|---|---|---|---|---|---|---|
| Stainless Steel 317L Flanges | 0.035 maximum | 2 maximum | 1.0 maximum | 0.045 maximum | 0.030 maximum | 18 – 20 | 3.00 - 4.00 | 11.00 - 15.00 | 57.89 min |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
|---|---|---|---|---|
| 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
