Weston Stainless, which is based in Midland, UK, is a well-known supplier and manufacturer of stainless steel products of superior quality, serving diverse industries with precision-engineered solutions. It is an expert in SMO 254 Flanges, which is a high-alloy austenitic stainless steel grade for its superior corrosion resistance, especially in chloride-contaminated and acidic environments. These flanges are made of Grade SMO 254 and come in a variety of shapes like weld neck, slip-on, blind, socket weld, and threaded forms. With the composition of chromium, nickel, molybdenum, and nitrogen, SMO 254 Flanges offer maximum strength, resistance to pitting, and durability. They find use in applications such as chemical processing, marine, and offshore due to these advantages.
SMO 254 Flanges are made up of around 19.5-20.5% Chromium, 17.5-18.5% Nickel, 6-6.5% Molybdenum, 0.18-0.22% Nitrogen, 1% Silicon, 1% Manganese, 0.03% Carbon, 0.03% Phosphorus, and 0.01% Sulfur, and the rest is Iron. They are mechanically characterized by a tensile strength of 650-850 MPa, yield strength of approximately 300 MPa, elongation of 35-40%, and hardness up to 100 HB. Their physical characteristics comprise a density of 8 g/cm³, thermal conductivity of 14.5 W/m·K, and electrical resistivity of 850 nΩ·m, rendering them extremely robust for harsh environments demanding exceptionally high corrosion resistance.
| Specifications | : | ASTM A182 / ASME SA182 |
| Size | : | 1/2″ (15 NB) to 48″ (1200NB) |
| 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 |
| Grade | C | Mn | Si | Cu | S | P | Mo | Ni | Cr |
| SMO 254 Flanges | 0.02 | 1 | 0.08 | 0.5-1.0 | 0.01 | 0.03 | 6.0-6.5 | 17.5-18.5 | 19.5-20 |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8 g/cm3 | 1320-1390 ℃ | 650 | 300 | 35 |
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Designed for high-corrosion resistance and strength in harsh environments. They effectively seal the end of a pipe, providing a secure, leak-proof closure in demanding applications.
Exceptional resistance to corrosion and high temperatures. Ideal for sealing pipe ends in challenging environments, they ensure a durable, leak-proof closure for critical systems.
Engineered for high durability and resistance to extreme conditions. They facilitate accurate flow measurement and control in corrosive and high-temperature environments, ensuring reliable performance.
SMO 254 Flanges have extensive application in industries that require high resistance against corrosion and maximum mechanical strength. They find their applications in the marine and offshore industries for use in ship construction, oil platforms, and sea water desalination plants on account of excellent corrosion resistance towards sea water. The petrochemical and chemical industries utilize them in pipe fittings, heat exchangers, and chemical-contact reactors exposed to corrosive chemicals. Power plants, pulp and paper mills, and food processing plants depend on these flanges for use in corrosive environments. SMO 254 Flanges are also utilized in wastewater treatment, aerospace, and pharmaceutical applications for consistent long-term performance.
SMO 254 Flanges are provided with test certificates like Mill Test Certificates (MTC) according to EN 10204 3.1 or 3.2, third-party inspection reports, and other quality assurance certificates for conformity with industry standards. SMO 254 Flanges are packed safely in wooden boxes, cartons, or plastic wrap to avoid damage during shipping. Efficient logistics and shipping services are provided for both domestic and export markets with assured timely and safe delivery to the customers.
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