18562583. FERRITIC STAINLESS STEEL simplified abstract (JFE STEEL CORPORATION)
FERRITIC STAINLESS STEEL
Organization Name
Inventor(s)
Shinji Oikawa of Chiyoda-ku, Tokyo (JP)
FERRITIC STAINLESS STEEL - A simplified explanation of the abstract
This abstract first appeared for US patent application 18562583 titled 'FERRITIC STAINLESS STEEL
The abstract describes a ferritic stainless steel with specific composition ranges of various elements such as carbon, silicon, manganese, chromium, nickel, molybdenum, aluminum, niobium, and nitrogen, along with limits for phosphorus and sulfur.
- This stainless steel has a balanced composition that provides excellent corrosion resistance and mechanical properties.
- The inclusion of specific elements in precise amounts ensures the steel's performance in various applications.
- The steel is designed to meet certain criteria for use in specific environments where corrosion resistance is crucial.
- The composition of the steel is carefully controlled to achieve the desired balance of properties for optimal performance.
- This innovation offers a new material option for industries requiring high corrosion resistance and mechanical strength.
Potential Applications: - Automotive industry for exhaust systems - Chemical processing plants - Marine applications for saltwater environments - Food processing equipment - Aerospace industry for structural components
Problems Solved: - Corrosion resistance in harsh environments - Maintaining mechanical properties under high temperatures - Long-term durability in corrosive conditions
Benefits: - Improved corrosion resistance - Enhanced mechanical properties - Extended service life in challenging environments - Cost-effective solution for demanding applications
Commercial Applications: Title: "Advanced Ferritic Stainless Steel for Corrosion-Resistant Applications" This stainless steel can be used in various industries such as automotive, chemical, marine, food processing, and aerospace for components that require high corrosion resistance and mechanical strength. The market implications include increased durability, reduced maintenance costs, and improved performance in challenging environments.
Questions about Ferritic Stainless Steel: 1. What are the key advantages of using ferritic stainless steel in comparison to other types of stainless steel?
- Ferritic stainless steel offers excellent corrosion resistance, good mechanical properties, and cost-effectiveness compared to other stainless steel grades.
2. How does the composition of ferritic stainless steel impact its performance in different applications?
- The specific composition of elements in ferritic stainless steel determines its corrosion resistance, mechanical strength, and suitability for various environments.
Original Abstract Submitted
There is provided a ferritic stainless steel which has a composition containing, in % by mass, C: 0.003 to 0.030%, Si: 0.01 to 1.00%, Mn: 0.05 to 0.30%, P: 0.050% or less, S: 0.020% or less, Cr: 24.0 to 30.0%, Ni: 1.50 to 3.00%, Mo: 1.00 to 3.00%, Al: 0.001 to 0.020%, Nb: 0.20 to 0.80%, and N: 0.030% or less, the balance being Fe and incidental impurities. The composition satisfies certain inequalities.
