Browse Our Collection
Get instant quotes that fit your budget perfectly.
Boikanyo Sheets and Plates, based in Cape Town, South Africa, stands out as a premier supplier and manufacturer of **SMO 254 Sheets and Plates**. Renowned for their remarkable corrosion resistance and impressive strength, these stainless steel sheets and plates are meticulously produced to adhere to stringent international standards. They come in a wide range of sizes and thicknesses, making them suitable for various industrial applications. Boikanyo is dedicated to providing top-notch materials that boast reliable mechanical properties and exceptional durability, serving industries like chemical processing, marine, and offshore engineering. Their products are designed to thrive in challenging environments where resistance to aggressive chemicals and chloride stress corrosion is crucial.
**SMO 254** is a superaustenitic stainless steel alloy that features approximately **20% chromium, 18% nickel, 6% molybdenum**, along with trace amounts of nitrogen. This distinctive composition grants it outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking, particularly in chloride-rich settings. With a **tensile strength of around 700 MPa** and commendable ductility, this alloy is not only strong but also versatile. Its excellent mechanical properties, coupled with superb weldability and formability, make it an ideal choice for crafting complex components that demand durability and reliability in highly corrosive environments. d small amounts of nitrogen, with traces of manganese, silicon, and carbon. This composition gives it superior corrosion resistance, particularly in chloride environments. The material offers impressive mechanical properties, with a tensile strength of around 650 MPa (94 ksi) and a yield strength of 290 MPa (42 ksi). It also has excellent resistance to pitting, crevice corrosion, and stress corrosion cracking. The alloy remains strong and durable in high-temperature environments, making it ideal for chemical, marine, and petrochemical applications.
| Specifications | ASTM A240 / ASME SA240 |
| Thickness | 4mm-100mm |
| Width | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc |
| Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc |
| Surface | 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hairline, sand blast, Brush, etching, etc |
| Finish | Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated) |
| Grade | Ni | C | Mo | Mn | Si | Fe | Cu | S | P | Cr |
| SMO 254 | 17.5 – 18.5 | 0.02 max | 6 – 6.5 | 1 max | 0.8 max | – | 0.5 – 1 | 0.01 max | 0.03 max | 19.5 – 20.5 |
| 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 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
DIN 1.4547 Sheets and Plates offer exceptional corrosion resistance, particularly against pitting, crevice corrosion, and stress corrosion cracking in chloride environments. With high molybdenum and nitrogen content, it performs excellently in harsh chemical and marine conditions. The alloy provides superior strength, durability, and excellent weldability, making it ideal for high-stress applications. Its resistance to high temperatures and aggressive environments ensures long-term performance without degradation. SMO 254 is also highly resistant to oxidation, ensuring it maintains its integrity even in extreme conditions, making it a preferred choice for industries such as chemical processing, petrochemical, and marine.
| Density (Kg.m-1) | 8000 |
| Magnetic Permeability | <1.05 |
| Young’s Modulus (N/mm2) | 200 x 103 |
| Specific Heat, 20°C (J.Kg-1.°K-1) | 500 |
| Specific Electrical Resistance, 20°C (µO.m) | 0.85 |
| Thermal conductivity, 20°C | 13.5 |
Yes, we offer custom sizes for SMO 254 Sheet and Plates to meet specific project needs. Our team at Boikanyo Sheets and Plates is dedicated to providing tailored solutions for all your requirements. For more details, contact us at sales@aaronsheetsplates.com.
| STANDARD | UNS | WERKSTOFF NR. | AFNOR | EN | JIS | SIS | GOST |
| SMO 254 | S31254 | 1.4547 | Z1 CNDU 20.18.06Az | X1CrNiMoCuN20-18-7 | – | 2378 | – |
| Surface finish | Thickness (mm) | Width (mm) |
|---|---|---|
| 2B – Cold rolled, heat treated, pickled, skin passed | 0.25–8.0 | max. 2032 |
| 2D – Cold rolled, heat treated, pickled | 0.4–6.35 | max. 1524 |
| 2E – Cold rolled, heat treated, mechanically descaled | 0.4–8.0 | max. 2032 |
| 2R – Cold rolled, bright annealed | 0.25–3.5 | max. 1524 |
| 2H – Work hardened | 0.4–6.35 | max. 1524 |
| Polished, brushed | 0.5–4.0 | max. 1524 |
SMO 254 Sheets and Plates are widely used in industries requiring excellent corrosion resistance and high strength. Common applications include chemical processing equipment, heat exchangers, and storage tanks, particularly in aggressive environments like marine and offshore industries. It is also used in the manufacturing of pollution control equipment, petrochemical and pharmaceutical industries, and flue gas desulfurization systems. Its resistance to pitting and crevice corrosion makes it ideal for applications in seawater, brine, and chemical solutions, where other stainless steels may fail. SMO 254 ensures durability and reliability in extreme conditions.
Our team is ready to assist you. Contact us for any queries or personalized solutions.
Discover high-quality products tailored to meet your unique needs and preferences.
Get instant quotes that fit your budget perfectly.
Copyright 2024 Boikanyo Sheet and Plates. All rights reserved
