S31803 Duplex Steel Plate is composed of high-alloy stainless steel that contains 22% chromium, 3% molybdenum, and 5-6% nickel. This combination creates an excellent balance of better corrosion resistance and strength that makes it suitable for various applications, such as petrochemicals, marine environments, and food processing. Its unique chemical composition results in double-phase characteristics, allowing the precision engineering of mechanical properties while maintaining good weldability and formability - optimizing the cost/performance ratio. With higher tensile strength than regular stainless steel grades, Duplex Steel S31803 Plates offer superior performance amongst its grade category with enhanced corrosion protection from recognized industrial standards.
Duplex Steel S31803 Plate is an immensely versatile material, providing high levels of mechanical performance and ease of fabrication. It offers excellent corrosion resistance, so it is often used in various chemical and marine engineering applications for paper production. The exceedingly strong combination of yield strength, tensile strength, and stress-corrosion cracking resistance make this plate ideal for actions where these properties are paramount, such as boilers, contractors, and heat exchangers. Moreover, the impact toughness at -50°C makes Duplex Steel Plates unbeatable in cryogenic environments. Overall, the high levels of durability provided by Duplex Steel S31803 Plate render it essential for many industries worldwide.
Chemical Composition of Duplex Steel S31803 Plates:
Explore chemical composition of Duplex Steel S31803 Plates for insight into its material properties and quality.
| Chemical Element | % Present |
| Carbon (C) | 0.0 - 0.03 |
| Chromium (Cr) | 21.00 - 23.00 |
| Manganese (Mn) | 2.00 max |
| Silicon (Si) | 1.00 max |
| Phosphorous (P) | 0.0 - 0.03 |
| Sulphur (S) | 0.0 - 0.02 |
| Nickel (Ni) | 4.50 - 6.50 |
| Nitrogen (N) | 0.08 - 0.20 |
| Molybdenum (Mo) | 2.50 - 3.50 |
| Iron (Fe) | Balance
|
Optimal balance of chromium, nickel, and molybdenum enhances corrosion resistance, making S31803 plates durable and reliable.
Physical Properties of Duplex Steel S31803 Plates:
Discover key physical properties of Duplex Steel S31803 Plates, essential for assessing their structural performance.
| Physical Property | Value |
| Density | 7.805 g/cm³ |
| Thermal Expansion | 13.7 x10^-6 /K |
| Modulus of Elasticity | 200 GPa |
| Thermal Conductivity | 19.0 W/m.K |
| Electrical Resistivity | 0.85 x10^-6 Ω .m |
Above table reveals S31803 Plates' impressive strength, corrosion resistance, and thermal stability, ensuring diverse industrial applications.
Mechanical Properties of Duplex Steel S31803 Plates:
Examine the Mechanical Properties table of Duplex Steel S31803 Plates for insights into structural performance.
| Mechanical Property | Value |
| Proof Stress | 450 Min MPa |
| Tensile Strength | 620 Min MPa |
| Elongation A50 mm | 25 Min % |
| Hardness Brinell | 290 Max HB
|
Mechanical Properties table underscores S31803 Plates' exceptional strength, toughness, and resilience, ensuring reliable structural integrity.
FAQ's for Duplex Steel S31803 Plates
Price of Duplex Steel S31803 Sheet Start From Rs. 250/Kilogram To Rs. 350/Kilogram
Duplex Steel S31803 Plate is not magnetic due to its duplex microstructure which contains both ferritic and austenitic phases. This makes it suitable for use in non-magnetic applications.
Yes, the Duplex Steel S31803 Plate is known for its corrosion resistance properties due to its high chromium and molybdenum content. It also has a duplex microstructure which improves resistance to stress corrosion cracking and pitting. It is suitable for use in harsh environments, including marine and chemical processing applications.
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