Weston Stainless, based in Midland, UK, is a trusted manufacturer and supplier of premium-quality stainless steel products, offering reliable solutions for various industrial applications worldwide. Their Stainless Steel 316L Flanges are made from Grade 316L (Low Carbon Austenitic Stainless Steel), known for its superior corrosion resistance, high strength, and excellent durability. These flanges are available in various shapes and types like weld neck, slip-on, socket weld, blind, and threaded flanges, ensuring leak-proof connections in piping systems. The 316L material composition provides resistance to pitting and crevice corrosion, making them ideal for chemical, marine, and industrial applications.
Stainless Steel 316L Flanges are composed of Carbon (≤0.03%), Manganese (≤2.00%), Silicon (≤0.75%), Phosphorus (≤0.045%), Sulfur (≤0.03%), Chromium (16.0-18.0%), Nickel (10.0-14.0%), Molybdenum (2.0-3.0%), and balance Iron, ensuring superior corrosion resistance and durability. The mechanical properties include a Tensile Strength of 485 MPa (min), Yield Strength of 170 MPa (min), Elongation of 40% (min), and Hardness of 217 HB max. The physical properties feature a density of 8.0 g/cm³, a melting point of 1370°C – 1400°C, and thermal conductivity of 16.2 W/m·K at 100°C, suitable for high-pressure and corrosive environments.
| Specifications | ASTM A182 / ASME SA182 |
| Size | 1/8″ NB TO 48″ NB |
| Standards | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
| Class / Pressure | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
| Standard | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc. |
| Grades | S31803 / S32205 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61 |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| SS 316L | 0.035 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 16.00 – 18.00 | 2.00 – 3.00 | 10.00 – 14.00 | 68.89 min |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1399 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
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Stainless Steel 316L Flanges are widely used in chemical, petrochemical, and pharmaceutical industries for leak-proof piping connections in corrosive and high-pressure environments. They are ideal for marine, offshore, and desalination plants due to their resistance to chloride-induced corrosion. Commonly used in water treatment plants, food processing, and beverage industries, these flanges ensure hygienic and contamination-free operations. Additionally, they are extensively utilized in oil & gas pipelines, heat exchangers, power generation plants, and refineries for their high strength, durability, and superior corrosion resistance in demanding industrial applications.
Excellent corrosion resistance due to the low carbon content, making them suitable for high-temperature applications. These flanges are easy to install by slipping over the pipe and welding at both the top and bottom
Superior corrosion resistance and strength, they are ideal for high-pressure systems. The long tapered hub provides reinforcement, ensuring a robust and leak-proof connection
Designed to close the ends of piping systems, offering excellent corrosion resistance. These flanges are suitable for systems requiring inspection and maintenance access points.
Corrosion resistance makes them ideal for low-pressure, non-welded applications. The threaded design allows for easy installation and removal without welding.
They provide good corrosion resistance and are designed for small-diameter, high-pressure systems. The socket weld connection ensures a strong and secure joint.
Highly corrosion-resistant and suitable for systems requiring frequent disassembly. The loose flange design allows for easy alignment and flexibility in installation.
Stainless Steel 316L Flanges are supplied with test certificates such as Mill Test Certificate (EN 10204/3.1B), Third Party Inspection Report, 100% Radiography Test Report, and Raw Material Test Certificate, ensuring high-quality standards. These flanges are securely packed in wooden crates, pallets, or bubble-wrapped cartons to prevent damage during transit. For timely and safe delivery, products are shipped through trusted logistics partners, ensuring on-time delivery to domestic and international clients.







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