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Weston Stainless, based in Midland, UK, is a trusted supplier and manufacturer of high-quality stainless steel products, catering to diverse industries with precision-engineered materials. The company specializes in SMO 254 Sheets and Plates, known for their superior corrosion resistance, high strength, and durability. Manufactured in Grade SMO 254, a high-alloy austenitic stainless steel, these sheets and plates offer excellent resistance to pitting, crevice corrosion, and stress corrosion cracking. Available in various thicknesses and dimensions, the material primarily consists of chromium, nickel, molybdenum, and nitrogen. SMO 254 Sheets and Plates are widely used in marine, chemical, and offshore applications requiring superior performance.
SMO 254 Sheets and Plates consist of about 19.5-20.5% Chromium, 17.5-18.5% Nickel, 6-6.5% Molybdenum, 0.18-0.22% Nitrogen, with trace quantities of Manganese, Silicon, Phosphorus, Sulfur, and Carbon, with the rest being Iron. They are mechanically furnished with a tensile strength of 650 MPa, yield strength of 300 MPa, hardness of up to 100 HB, and elongation of 35%. Their physical properties are a density of 8 g/cm³, thermal conductivity of 14.5 W/m·K, and electrical resistivity of 85 µΩ·cm. They have these properties as a result of which they suit highly corrosive environments demanding extremely high strength and durability.
| 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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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.
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.
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.
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.
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.
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.
Weston 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.
SMO 254 Plates and Sheets are accompanied by test certificates like Mill Test Certificates (MTC) according to EN 10204 3.1 or 3.2, third-party inspection certificates, and other quality assurance documents to meet industry standards. They are packaged safely with wooden crates, pallets, or protective wrapping to ensure safe transit without damage. The delivery is smooth, with sure-shot shipping arrangements available for domestic as well as international markets to provide timely supply.
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