Khaled Stainless, located in Cairo, Egypt, has earned a solid reputation as a reliable supplier of high-performance SMO 254 stainless steel coils, specifically designed to withstand extreme corrosion and meet the demands of high-strength industrial applications. These super austenitic coils are crafted with meticulous attention to chemical composition, surface finish, and dimensional accuracy, ensuring they meet international quality standards. Khaled Stainless caters to a variety of sectors, including chemical plants, offshore fabrication units, desalination projects, and heavy engineering industries, both in Egypt and abroad. With certified materials, consistent coil flatness, and dependable delivery schedules, Khaled Stainless guarantees a reliable supply of SMO 254 coils for even the toughest service conditions.
SMO 254 (UNS S31254) is a super austenitic stainless steel that boasts a composition of about 19.5–20.5% chromium, 17.5–18.5% nickel, 6–6.5% molybdenum, and 0.18–0.22% nitrogen. This advanced formulation provides exceptional resistance to pitting, with a pitting resistance equivalent number (PREN) greater than 42. Its typical mechanical properties include a tensile strength ranging from 650 to 850 MPa, a yield strength of around 300 to 400 MPa, and an elongation of approximately 35 to 40%. The alloy is known for its excellent toughness and remarkable resistance to stress corrosion cracking, especially in high-chloride environments.
| Elements | Carbon | Chromium | Manganese | Molybdenum | Nickel | Nitrogen | Phosphorus | Silicon | Sulphur |
|---|---|---|---|---|---|---|---|---|---|
| SMO 254 UNS S31254 | 0.02 max | 19.5-20.5 | 1.0 max | 6.0-6.5 | 17.5-18.5 | 0.18-0.22 | 0.03 max | 0.8 max | 0.01 max |
| Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr | Cb+Ta |
| SMO 254 Coils | 0.07 | 1.0 max | 1.0 max | 0.03 | 3.0 – 5.0 | Bal | 3.0 – 5.0 | 15.0 – 17.5 | 5 X C / 0.45 |
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SMO 254 (UNS S31254) coils provide superior corrosion resistance and strength, making them ideal for chemical, marine, and high-temperature applications. Their durability ensures reliability in extreme and aggressive environments.
SMO 254 coils are high-performance stainless steel, known for outstanding corrosion resistance and strength. Ideal for harsh environments, they are used in chemical processing, marine, and high-temperature applications.
SMO 254 stainless steel coils offer excellent corrosion resistance and high strength. Ideal for demanding environments, they are used in chemical, marine, and high-temperature applications, ensuring durability and reliability.
Khaled Stainless will provide high-performance SMO 254 Coils with consistency backed by extensive test ranges such as hardness testing, spectro analysis, PMI, and flaring tests. The company also does micro and macro tests, pitting resistance tests, and IGC tests for superior quality coils. In addition to our intense testing protocols, we ensure comprehensive documentation by including commercial invoices and packaging lists showing net and gross weights, box numbers, and labels. A legalized or attested Certificate of Origin along with Third-Party Inspection Certificates ensures the superiority of SMO 254 Coils as well as unbeatable customer satisfaction.
SMO 254 coils are essential in the most challenging corrosion environments where standard stainless steels simply can’t hold up. You’ll find these coils in seawater piping systems, desalination plants, offshore oil and gas platforms, heat exchangers, chemical processing vessels, pulp and paper bleaching units, and flue gas scrubbers. They are often transformed into pipes, tubes, sheets, and various fabricated components that endure continuous exposure to chlorides, acids, and high temperatures. SMO 254 is favored for its long service life, low maintenance needs, and exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking.
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