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Lecong Stainless stands out as a top-notch manufacturer and supplier based in Da Nang, Vietnam, specializing in high-quality SMO 254 Sheets and Plates. These products are crafted for exceptional corrosion resistance and durability, even in the toughest environments. SMO 254, known as a super austenitic stainless steel (UNS S31254), is particularly renowned for its impressive resistance to pitting, crevice corrosion, and stress corrosion cracking, especially in seawater and environments rich in chlorides. Lecong Stainless takes pride in its precision manufacturing, outstanding surface finishes, and strict adherence to international standards, making their SMO 254 Sheets and Plates a trusted choice for applications in chemical processing, marine settings, desalination, and offshore industries.
The composition of SMO 254 Sheets and Plates includes about 20% chromium, 18% nickel, and 6% molybdenum, along with nitrogen to boost strength and corrosion resistance. This unique blend results in a high Pitting Resistance Equivalent Number (PREN) of over 42, ensuring top-notch performance in highly corrosive chloride environments. They boast a tensile strength of 650 MPa, a yield strength of around 300 MPa, and an elongation of 35% or more. Remarkably, these sheets and plates retain their toughness and ductility even at cryogenic temperatures, making them suitable for a variety of industrial applications.
| STANDARD | Stainless Steel 348H Sheet and Plate |
| EN | X5CrNiMo17-12-2 / X3CrNiMo17-13-3 |
| JIS | SUS 316L |
| BS | 316S11 / 316S13 |
| UNS | S31603 |
| WERKSTOFF NO. | 1.4404 / 1.4435 |
| AFNOR | Z7CND17‐11‐02 |
| GOST | 03Ch17N14M3 / 03Ch17N14M2 |
| 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 |
| 0.2% Proof Stress (N/mm2 ) [ksi] minimum | 300 [43.5] |
| Tensile Strength (N/mm2) [ksi] minimum | 650 |
| Elongation (%) minimum | 35 |
| Hardness (HBN) | 270 max |
| Reduction of Cross Section Area (%) | 50 |
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SMO 254 hot rolled plates have high strength and resistance to corrosion, and therefore, can be used for heavy-duty applications. The material is usually in a thickness range of 3mm to 50mm with width up to 2000 mm. It also comes in hot-rolled finish for strength and durability with the capability of sustaining high temperature and aggressive environment.
SMO 254 Cold Rolled Sheets provide a bright surface finish and excellent dimensional accuracy, with good corrosion resistance. These sheets are available in thickness from 0.5 mm up to 3 mm and widths up to 1250 mm. The strength of these sheets is improved by cold rolling, making them ideal for precision applications.
SMO 254 Chequered Plates offer an embossed pattern for increased slip resistance and longevity. Thickness options range from 3 mm to 12 mm, with a maximum width of 1500 mm. They are used as flooring in most industrial applications, offering great corrosion resistance.
SMO 254 Perforated Sheets come in different perforation patterns depending on the design and functional requirements of the application. They are offered in thickness ranges from 1mm to 6mm and width up to 1200 mm. Due to their high resistance to corrosion, they are used both for decorative as well as industrial applications.
SMO 254 Shim sheets are used with a spacing or aligned application for variety of usages. Generally made available with widths up to 1000mm and a standard thickness between 0.1 mm and 1mm these shim sheets promise excellent corrosion resistivity under stringent conditions, performing well even during long exposure.
SMO 254 Polished Plates have high-quality reflective surfaces and are aesthetically pleasing along with corrosion resistant. They have a thickness from 2mm to 25mm and can be up to 1500mm in width. The architectural and decorative usage is possible by the polished surface.
Lecong Stainless commits to delivering the best seamless experience to our valued customers with extensive documentation on top-quality SMO 254 Sheets and Plates. We deliver to our clients, all necessary documents such as the commercial invoice, packing list, fumigation certificate, heat treatment chart, quality assurance plan, and NABL-approved lab test reports, all of which would ensure authenticity as well as superiority in our product offerings. In addition, test certificates, MTC according to EN 10204/3.1b, PMI Test Certificate, 100% radiography test report, and Third Party Inspection Certificate are supplied with our SMO 254 Sheets and Plates, which reveal our customer-oriented approach and a commitment to producing high-quality products.
You’ll find SMO 254 Sheets and Plates widely used in seawater handling systems, desalination plants, chemical and petrochemical processing, pulp and paper industries, heat exchangers, and offshore oil and gas platforms. They are perfect for fabricating pressure vessels, storage tanks, evaporators, and condensers where resistance to aggressive corrosion is crucial. In marine applications, they excel against seawater corrosion, while in chemical plants, they reliably handle acids, chlorides, and other harsh chemicals over the long term. Thanks to their outstanding mechanical and corrosion-resistant properties, SMO 254 Sheets and Plates are the go-to material for critical industrial applications.
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