Midland, UK-headquartered Weston Stainless is a pre-eminent supplier and producer of top–grade stainless steel products used across industries including construction, shipping, automotive, and chemical processing. The organisation has a reputation for providing resilient, corrosion-immune solutions suitable for industrial needs. Its best-selling product among them is the Stainless Steel 304 Flanges produced from finest grade 304 stainless steel material with superior strength, corrosion tolerance, and toughness. These flanges are made in weld neck, slip-on, socket weld, blind, threaded, and lap joint form and are best suited for piping, structural, and pressure applications in industrial as well as commercial settings.
Stainless Steel 304 Flanges consist of 18-20% chromium, 8-10.5% nickel, ≤0.08% carbon, ≤2% manganese, ≤1% silicon, ≤0.045% phosphorus, and ≤0.03% sulfur, exhibiting high corrosion resistance and strength. The mechanical properties of Stainless Steel 304 Flanges are tensile strength of 515 MPa, yield strength of 205 MPa, and elongation of 40%, making them durable in high-pressure applications. Physical characteristics possess a density of 8.0 g/cm³, 1399-1454°C melting range, and 16.2 W/m·K thermal conductivity to suit them best for use in piping systems, structural construction, and high-temperature conditions requiring excellent mechanical and thermal capabilities.
| Standard | ASTM A182 / ASME SA182 |
| Dimensions | ANSI/ASME B16.5, B 16.47 A & B, B16.48, BS4504, BS 10, EN-1092, DIN |
| Standard | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges |
| Size | 1/2″ (15 NB) to 48″ (1200NB) |
| Class/Pressure | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 |
| Flange Face Type | Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ) |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| SS 304 | 0.08 max | 2 max | 0.75 max | 0.045 max | 0.030 max | 18 – 20 | – | 8 – 11 | – |
| 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 % |
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Stainless Steel 304 Flanges find large-scale applications in piping systems, pressure vessels, heat exchangers, and structural frameworks based on their high corrosion resistance, toughness, and strength. They play a crucial role in oil and gas, chemical process industries, power generation, water treatment, and food processing industries to provide safe connections in high-temperature and high-pressure conditions. These flanges also find applications in marine, pharmaceutical, and HVAC industries, to make leak-free and durable connections in fluid transport systems. They possess oxidation resistance and flexibility, which makes them very versatile and ideal for both industrial and commercial construction projects.
Designed for high-stress applications, featuring a long tapered neck that provides a strong, continuous weld connection. They offer excellent strength and resistance to leakage.
Designed for ease of assembly and disassembly. They feature a loose fit, allowing for easy alignment and maintenance, with excellent resistance to corrosion.
Used to connect pipes of different diameters, providing a smooth transition between sizes. They ensure a secure, leak-proof joint while offering strong corrosion resistance and durability.
Stainless Steel 304 Flanges are supplied with necessary test certificates, such as Mill Test Certificate (MTC) according to EN 10204 3.1 or 3.2, Third-Party Inspection (TPI) reports, and Non-Destructive Testing (NDT) reports, to meet industry standards. They are safely packed in wooden crates, cartons, or bubble-wrapped bundles to avoid damage during handling and transportation. Safe delivery is guaranteed by road, sea, or air transport, fulfilling global industrial requirements effectively.
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