Khaleed Stainless is a reputable manufacturer and supplier based in Riyadh, Saudi Arabia, specializing in high-quality SMO 254 Flanges designed to excel in tough, corrosive industrial settings. These flanges are celebrated for their remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking, ensuring robust, leak-proof, and durable connections in piping systems. You’ll find SMO 254 Flanges widely utilized across various sectors, including oil & gas, desalination, marine, petrochemical, and chemical processing. Khaleed Stainless is committed to meeting international standards, delivering precision engineering, and ensuring long-lasting reliability, making these flanges a go-to choice for critical applications.
The makeup of SMO 254 Flanges features around 20% chromium, 18% nickel, and 6% molybdenum, along with nitrogen and low carbon content, which together provide exceptional corrosion resistance in chloride and acidic environments. On the mechanical side, they boast a tensile strength of about 680 MPa, a yield strength nearing 300 MPa, and an elongation of 35–40%. These flanges are also known for their high toughness, excellent weldability, and fatigue resistance, ensuring they remain durable and strong even under high pressure and extreme conditions.
| 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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The SMO 254 slip-on flanges are designed for high-performance applications, featuring superior corrosion resistance and strength. Ideal for harsh environments, they ensure reliable, leak-proof connections in demanding systems.
254 SMO weld neck flanges offer exceptional resistance to corrosion and high temperatures, making them ideal for challenging environments. Their robust design ensures strong, reliable connections in critical piping systems.
SMO UNS S31254 weld neck flanges are engineered for superior corrosion and heat resistance. Perfect for extreme conditions, they provide robust, dependable connections in high-stress and high-temperature environments.
254 SMO blind flanges are 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.
SMO UNS S31254 blind flanges offer 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.
SMO UNS S31254 orifice flanges are 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.
We make sure the highest quality of our SMO 254 Flanges by conducting rigorous testing and inspections. Throughout the manufacturing process. These procedures guarantee the flanges durability and performance in challenging environments. Additionally we prioritize on time delivery to meet our customers deadlines. Ensuring seamless and reliable service for all orders.
SMO 254 Flanges are extensively used in piping systems that demand secure and corrosion-resistant joints. They’re commonly found in desalination plants, offshore oil and gas facilities, heat exchangers, marine environments, and chemical processing equipment. Additionally, they play a vital role in pressure vessels, flue-gas cleaning systems, and the food processing industry. With their outstanding corrosion resistance, mechanical strength, and long service life, SMO 254 Flanges offer cost-effective and reliable solutions for industries operating in the harshest conditions.







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