254 SMO Sheets & Plates
| Specification | Details |
|---|---|
| Product Name | 254 SMO Sheets & Plates |
| Material Grade | 254 SMO / UNS S31254 |
| UNS Designation | UNS S31254 |
| Werkstoff Number | W.Nr. 1.4547 |
| Material Type | Super Austenitic Stainless Steel |
| Chemical Composition | Chromium 19.5–20.5%, Nickel 17.5–18.5%, Molybdenum 6.0–6.5%, Nitrogen 0.18–0.22%, Copper 0.5–1.0%, Carbon ≤0.02%, Manganese ≤1.0%, Silicon ≤0.80%, Iron Balance |
| Manufacturing Type | Hot Rolled / Cold Rolled / Annealed |
| Sheet & Plate Standard | ASTM A240 / ASME SA240 |
| Outside Dimensions | As per ASTM / ASME Standard or Customer Requirement |
| Thickness | As per Standard / Customer Requirement |
| Thickness Range | Approximately 0.5 mm to 100 mm or as required |
| Width | Standard / Customized Width as per Customer Requirement |
| Length | Standard / Fixed / Customized Length |
| Surface Finish | Hot Rolled / Cold Rolled / Annealed / Pickled / Polished / Customized |
| Edge Condition | Mill Edge / Cut Edge / Customized |
| Heat Treatment | Solution Annealed / As Applicable |
| MTC | EN 10204 3.1 / 3.2 |
| Testing | Chemical, Mechanical, Dimensional, Visual, Ultrasonic and Other NDT as Specified |
| Tensile Strength | Approximately 650 MPa minimum, subject to applicable specification and condition |
| Yield Strength | Approximately 300 MPa minimum, subject to applicable specification and condition |
| Elongation | Approximately 35% minimum, subject to applicable specification |
| Density | Approximately 8.0 g/cm³ |
| Melting Range | Approximately 1320–1400°C |
| Corrosion Resistance | Excellent resistance to general corrosion, pitting and crevice corrosion |
| Pitting Resistance | Excellent resistance to pitting due to high molybdenum and nitrogen content |
| Crevice Corrosion Resistance | Excellent resistance to crevice corrosion in chloride-containing environments |
| Chloride Resistance | Excellent resistance to chloride-induced corrosion and stress-corrosion cracking |
| Acid Resistance | Good to excellent resistance to sulfuric acid, phosphoric acid and other aggressive chemical media |
| Seawater Resistance | Excellent resistance to seawater and marine environments |
| High-Temperature Performance | Good mechanical and corrosion performance under suitable elevated-temperature conditions |
| Welding | Good weldability using suitable stainless-steel welding procedures and compatible filler metals |
| Fabrication | Suitable for forming, machining, welding and conventional fabrication processes with appropriate procedures |
| Available Form | Sheets / Plates / Flat Sheets / Cut-to-Size Plates |
| Customization | Thickness, Width, Length, Surface Finish, Edge, Cutting, Heat Treatment, Testing and Documentation |
| Origin | European / American / Japanese / Korean and Other Approved Origins |
| Export Supply | Worldwide 254 SMO Sheets & Plates Export Supply |
| Exporter Support | Technical Specifications, Inspection, Certification, Export Packing, Documentation and International Shipment Coordination |
| Applications | Marine Equipment, Seawater Systems, Desalination Plants, Chemical Processing, Heat Exchangers, Pulp & Paper, Flue Gas Scrubbing, Pharmaceutical Equipment and Process Industries |
1. 254 SMO Sheets & Plates – Standard Sizes
| Product Form | Thickness | Width | Length |
|---|---|---|---|
| 254 SMO Sheet | 0.5–1.0 mm | 1000–1500 mm | 2000–3000 mm |
| 254 SMO Sheet | 1.0–2.0 mm | 1000–1500 mm | 2000–3000 mm |
| 254 SMO Sheet | 2.0–3.0 mm | 1000–2000 mm | 2000–4000 mm |
| 254 SMO Sheet | 3.0–6.0 mm | 1000–2000 mm | 2000–6000 mm |
| 254 SMO Plate | 6–10 mm | 1500–2000 mm | 3000–6000 mm |
| 254 SMO Plate | 10–20 mm | 1500–2500 mm | 3000–6000 mm |
| 254 SMO Plate | 20–40 mm | 1500–2500 mm | 3000–6000 mm |
| 254 SMO Heavy Plate | 40–60 mm | As per Mill Capability | As per Requirement |
| 254 SMO Heavy Plate | 60–100 mm | As per Mill Capability | As per Requirement |
| 254 SMO Custom Plate | Above 100 mm | Customized | Customized |
2. 254 SMO Sheets & Plates – Approximate Weight Chart
| Thickness | Approx. Weight per m² | Product Form |
|---|---|---|
| 1 mm | 8.00 kg/m² | 254 SMO Sheet |
| 2 mm | 16.00 kg/m² | 254 SMO Sheet |
| 3 mm | 24.00 kg/m² | 254 SMO Sheet |
| 4 mm | 32.00 kg/m² | 254 SMO Sheet |
| 5 mm | 40.00 kg/m² | 254 SMO Sheet |
| 6 mm | 48.00 kg/m² | Sheet / Plate |
| 8 mm | 64.00 kg/m² | 254 SMO Plate |
| 10 mm | 80.00 kg/m² | 254 SMO Plate |
| 12 mm | 96.00 kg/m² | 254 SMO Plate |
| 15 mm | 120.00 kg/m² | 254 SMO Plate |
| 20 mm | 160.00 kg/m² | 254 SMO Plate |
| 25 mm | 200.00 kg/m² | Heavy 254 SMO Plate |
| 30 mm | 240.00 kg/m² | Heavy 254 SMO Plate |
| 40 mm | 320.00 kg/m² | Heavy 254 SMO Plate |
| 50 mm | 400.00 kg/m² | Heavy 254 SMO Plate |
| 60 mm | 480.00 kg/m² | Heavy 254 SMO Plate |
| 75 mm | 600.00 kg/m² | Heavy 254 SMO Plate |
| 100 mm | 800.00 kg/m² | Heavy 254 SMO Plate |
3. 254 SMO Sheets & Plates – Technical & Supply Details
| Specification | Available Details |
|---|---|
| Material Grade | 254 SMO / UNS S31254 |
| UNS Number | UNS S31254 |
| Werkstoff Number | W.Nr. 1.4547 |
| Material Type | Super Austenitic Stainless Steel |
| Standard | ASTM A240 / ASME SA240 |
| Product Forms | Sheets / Plates / Flat Sheets / Cut-to-Size Plates |
| Manufacturing | Hot Rolled / Cold Rolled / Annealed |
| Heat Treatment | Solution Annealed / As Applicable |
| Surface Finish | Hot Rolled / Cold Rolled / Annealed / Pickled / Polished / Customized |
| Edge Condition | Mill Edge / Cut Edge / Customized |
| Thickness | Standard / Customized |
| Width & Length | Standard / Fixed / Customized |
| Cutting | Cut-to-Size as per Drawing or Customer Requirement |
| Testing | Chemical / Mechanical / Dimensional / Visual / Ultrasonic / NDT as Required |
| Certification | EN 10204 3.1 / 3.2 as Required |
| MTC | Available with Applicable Export Orders |
| Third-Party Inspection | Available as per Customer / Project Requirement |
| Packing | Export-Worthy / Seaworthy Packing |
| Customization | Thickness, Width, Length, Finish, Edge, Cutting, Heat Treatment, Testing & Documentation |
| Export Supply | Worldwide 254 SMO Sheets & Plates Export Supply |
| Exporter Support | Technical Documentation, Inspection, Certification, Export Packing & International Shipment Coordination |
| Applications | Marine Equipment, Seawater Systems, Desalination Plants, Chemical Processing, Heat Exchangers, Pulp & Paper, Flue Gas Scrubbing, Pharmaceutical Equipment and Process Industries |
Most Common Types Of 254 SMO Sheets & Plates
254 SMO Sheets & Plates are available in different product forms, manufacturing conditions, surface finishes and customized dimensions. They are mainly selected for applications requiring excellent resistance to pitting, crevice corrosion, chloride exposure and seawater.
| Type of 254 SMO Sheets & Plates | Description |
|---|---|
| 254 SMO Sheets | Thin-gauge super-austenitic stainless steel sheets used for chemical processing, marine and industrial applications. |
| 254 SMO Plates | Heavy-gauge plates used for tanks, vessels, heat exchangers and demanding process equipment. |
| Hot Rolled 254 SMO Plates | Heavy-thickness plates manufactured through hot rolling for industrial fabrication and equipment manufacturing. |
| Cold Rolled 254 SMO Sheets | Sheets offering controlled thickness, smooth surface and good dimensional accuracy. |
| Annealed 254 SMO Sheets & Plates | Heat-treated material supplied with suitable ductility and corrosion-resistant properties. |
| Solution Annealed 254 SMO Sheets & Plates | Material supplied in solution-annealed condition according to applicable specifications. |
| Pickled 254 SMO Sheets & Plates | Descaled and cleaned material with a clean surface suitable for fabrication and processing. |
| Polished 254 SMO Sheets & Plates | Smooth-finish sheets and plates for specialized equipment and customer-specific applications. |
| Cut-to-Size 254 SMO Plates | Plates cut according to customer drawings, specified dimensions or project requirements. |
| Custom 254 SMO Sheets & Plates | Customized thickness, width, length, edge condition, surface finish, cutting, testing and documentation. |
| 254 SMO Export Sheets & Plates | Export-ready products supplied with applicable certification, inspection support, protective packing and shipment coordination. |
Why Should You Buy 254 SMO Sheets & Plates from Metalx Nickel & Alloys?
- Experienced 254 SMO Sheets & Plates Exporter serving international buyers, importers, distributors, EPC contractors, stockholders, traders and industrial end users.
- 20+ Years of Stainless Steel & Nickel Alloy Exporter Experience in supplying and exporting corrosion-resistant, marine-grade and high-performance alloy products to customers across the UAE, Saudi Arabia, Qatar, Oman, Kuwait, Bahrain, Africa, Europe, Asia and other global markets.
- Specialized 254 SMO Sheets & Plates Exporter offering 254 SMO / UNS S31254 / W.Nr. 1.4547 Sheets & Plates according to applicable international standards and customer requirements.
- Global 254 SMO Exporter Network with access to reputed stainless steel mills, manufacturers, authorized suppliers and approved stockholders across the USA, Europe, Japan, South Korea and other major international supply markets.
- Reliable 254 SMO Sheets & Plates Exporter supplying super-austenitic stainless steel products for demanding applications requiring excellent pitting resistance, crevice corrosion resistance, chloride resistance, seawater resistance and chemical stability.
- Wide Alloy Exporter Product Range including 254 SMO Sheets & Plates, Alloy 20 Sheets & Plates, Nickel 200 Sheets & Plates, Nickel 201 Sheets & Plates, Incoloy Sheets & Plates, Inconel Sheets & Plates, Hastelloy Sheets & Plates, Monel Sheets & Plates and other specialized alloy products.
- 254 SMO Ready Stock Exporter offering selected thicknesses, widths, lengths and surface finishes from available stock, subject to current exporter stock availability.
- Custom 254 SMO Sheets & Plates Exporter supplying material according to customer drawings, required thickness, width, length, surface finish, edge condition, heat-treatment condition and project specifications.
| Key Feature | Details |
|---|---|
| Excellent Pitting Resistance | High molybdenum and nitrogen content provides excellent resistance to pitting corrosion. |
| Crevice Corrosion Resistance | Performs well in chloride-rich environments where crevice corrosion can be a concern. |
| Chloride SCC Resistance | Provides high resistance to chloride-induced stress corrosion cracking under suitable service conditions. |
| Seawater Performance | Particularly suitable for seawater, marine and desalination applications. |
| High Strength | Offers a strong combination of mechanical strength and corrosion resistance. |
| Acid Resistance | Provides excellent resistance to several acidic and aggressive chemical environments. |
| Low Carbon Content | Maximum carbon content of approximately 0.02% supports good corrosion performance after appropriate processing. |
| Good Weldability | Can be welded using suitable procedures and compatible filler materials. |
| Good Fabrication Properties | Suitable for cutting, forming and fabrication using appropriate industrial techniques. |
| High Durability | Designed for demanding environments where long service life and reduced maintenance are important. |
| Wide Size Availability | Available in thicknesses from approximately 0.3 mm to 100 mm, with customized widths and lengths. |
| Multiple Finishes | Available in 2B, BA, hot rolled, cold rolled, polished and pickled finishes. |
| Quality Documentation | MTC, inspection and relevant testing documentation can be provided as required. |
| Export Support | METALX NICKEL & ALLOYS can provide export-worthy packing and international shipment coordination. |
| Specification | Details |
|---|---|
| Product Name | 254 SMO Sheets & Plates |
| Material Grade | 254 SMO / UNS S31254 / EN 1.4547 |
| Material Type | Super Austenitic Stainless Steel |
| Standard | ASTM A240 / ASME SA240 |
| Product Forms | Sheets / Plates / Coils / Cut-to-Size |
| Thickness Range | 0.3 mm to 100 mm |
| Width | Up to 2500 mm |
| Length | Up to 12000 mm |
| Manufacturing | Hot Rolled / Cold Rolled |
| Surface Finish | 2B / BA / Hot Rolled / Cold Rolled / Polished / Pickled |
| Edge Condition | Mill Edge / Cut Edge / Customized |
| Heat Treatment | Solution Annealed / As Applicable |
| Chromium (Cr) | 19.5–20.5% |
| Nickel (Ni) | 17.5–18.5% |
| Molybdenum (Mo) | 6.0–6.5% |
| Nitrogen (N) | 0.18–0.22% |
| Carbon (C) | Maximum 0.02% |
| MTC | EN 10204 3.1 / 3.2 as Required |
| Testing | Chemical, Mechanical, Dimensional, Visual, Ultrasonic and Other Tests as Required |
| Corrosion Resistance | Excellent resistance to general, pitting and crevice corrosion |
| Chloride Resistance | Excellent resistance to chloride-containing environments and stress corrosion cracking |
| Seawater Resistance | Excellent performance in seawater and marine environments |
| Acid Resistance | Excellent resistance to various acidic and aggressive chemical environments |
| Strength | High strength and durability for demanding industrial applications |
| Welding | Good weldability using suitable stainless-steel welding procedures |
| Fabrication | Suitable for forming, cutting, welding and other conventional fabrication processes |
| Customization | Thickness, Width, Length, Finish, Edge, Cutting, Testing and Documentation |
| Packing | Export-Worthy / Seaworthy Packing |
| Export Supply | Worldwide 254 SMO Sheets & Plates Export Supply |
| Applications | Desalination, Marine Equipment, Seawater Systems, Chemical Processing, Heat Exchangers, Pulp & Paper, Flue Gas Scrubbing and Process Industries |
1. What are 254 SMO Sheets & Plates?
254 SMO Sheets & Plates are made from 254 SMO / UNS S31254 / EN 1.4547, a super-austenitic stainless steel designed for demanding corrosive environments, particularly those containing chlorides and seawater.
2. What is the standard for 254 SMO Sheets & Plates?
They are commonly supplied according to ASTM A240 / ASME SA240, with dimensions, heat treatment and testing based on the applicable specification.
3. What are the main advantages of 254 SMO?
254 SMO offers excellent pitting and crevice corrosion resistance, high chloride resistance, seawater resistance and good resistance to stress-corrosion cracking.
4. Where are 254 SMO Sheets & Plates commonly used?
They are widely used in desalination plants, seawater systems, marine equipment, chemical processing, heat exchangers, pulp and paper plants, flue gas scrubbing systems and pharmaceutical equipment.
5. What surface finishes are available for 254 SMO?
254 SMO Sheets & Plates can be supplied in 2B, BA, hot rolled, cold rolled, polished and pickled finishes, depending on product form and customer requirements.
6. Can METALX NICKEL & ALLOYS supply customized 254 SMO Sheets & Plates?
Yes. METALX NICKEL & ALLOYS can supply customized thicknesses, widths, lengths and cut-to-size plates, along with MTC, testing, inspection, certification, export-worthy packing and international shipment support as required.