Weston Stainless, Midland, UK, is a prominent distributor of stainless steel products of high quality, with expertise in precision-engineered components for numerous industries. Among their products, Stainless Steel 304L Flanges are used extensively due to their superior corrosion resistance and weldability. Made from Grade 304L stainless steel, these flanges contain low carbon content, which avoids carbide precipitation during welding. They come in different shapes such as slip-on, weld neck, blind, socket weld, and threaded flanges to meet different industrial uses. The 304L stainless steel composition gives them the highest durability, thus making them best suited for chemical, marine, food processing, and petrochemical industries.
Stainless Steel 304L Flanges are composed of carbon (≤0.03%), chromium (18-20%), nickel (8-12%), manganese (≤2%), silicon (≤1%), phosphorus (≤0.045%), and sulfur (≤0.03%), ensuring excellent corrosion resistance and weldability. Their mechanical properties include a tensile strength of ≥485 MPa, yield strength of ≥170 MPa, elongation of ≥40%, and hardness of ≤201 Brinell (HB). The physical properties feature a density of 8.0 g/cm³, melting point of 1400-1450°C, thermal conductivity of 16.2 W/m·K, and electrical resistivity of 720 nΩ·m, making them ideal for high-temperature and corrosive environments.
| Standard | ASTM A182 / ASME SA182 |
| Dimensions | ANSI/ASME B16.5, B 16.47 Series 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 304L | 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 304L Flanges are used extensively in chemical processing, marine, food processing, and pharmaceutical industries because of their superior corrosion resistance and weldability. They are best suited for piping systems, heat exchangers, pressure vessels, and storage tanks to provide leak-proof connections in corrosive environments. They are frequently used in oil and gas, petrochemical, and water treatment plants because they offer strength and durability in harsh conditions. Their ability to resist corrosion caused by chloride makes them an ideal fit for desalination plants, offshore platforms, and marine uses, providing long-lasting performance with minimal maintenance in commercial and industrial applications.
Designed for high-strength, secure connections in piping systems. Made from stainless steel 304L, they provide excellent resistance to corrosion and ease of installation.
Robust seal for high-pressure applications. Made from stainless steel 304, they ensure a tight, leak-proof connection with their precision-engineered ring design.
Crafted from stainless steel 304L through a forging process, offering exceptional strength and durability. They are ideal for high-pressure applications and resist corrosion effectively.
Stainless Steel 304L Flanges come with test certificates, including Mill Test Certificate (MTC) as per EN 10204 3.1/3.2, third-party inspection reports, and raw material test certificates, ensuring compliance with industry standards. They are securely packaged in wooden crates, pallets, or cartons with proper labeling to prevent damage during transit. Delivery is efficient and reliable, offering customized shipping options to meet global industrial and commercial project requirements.
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