904L Stainless Steel Plate/Sheet Details
Overview
904L stainless steel plate/sheet is a high-alloy austenitic stainless steel with a high chromium, nickel, and molybdenum content. It is designed for superior corrosion resistance, especially in highly aggressive environments, including those containing chloride and sulfuric acid.
Key Characteristics
Corrosion Resistance: Exceptional resistance to a wide range of corrosive environments, including chloride-induced pitting and crevice corrosion, and resistance to sulfuric acid.
High Alloy Content: The high levels of chromium, nickel, and molybdenum enhance its resistance to oxidation and corrosion.
Mechanical Properties: Provides good mechanical strength and toughness at both ambient and elevated temperatures.
Formability: Can be readily formed, welded, and machined, making it versatile for various applications.
Chemical Composition
Carbon (C): ≤ 0.02%
Manganese (Mn): ≤ 2.00%
Silicon (Si): ≤ 1.00%
Phosphorus (P): ≤ 0.045%
Sulfur (S): ≤ 0.03%
Chromium (Cr): 19.0-23.0%
Nickel (Ni): 23.0-28.0%
Molybdenum (Mo): 4.0-5.0%
Copper (Cu): 1.0-2.0%
Nitrogen (N): ≤ 0.10%
Common Applications
Chemical Processing: Ideal for use in chemical processing equipment where high resistance to corrosion and oxidation is required.
Marine Environments: Used in marine applications for components exposed to seawater and other corrosive marine environments.
Oil and Gas Industry: Employed in equipment and pipelines that handle aggressive chemicals and high-saline environments.
Pharmaceutical and Food Processing: Suitable for equipment that requires high levels of cleanliness and corrosion resistance.
Aerospace Industry: Used in aerospace components that need to withstand harsh environments and corrosive conditions.
Advantages
Superior Corrosion Resistance: Offers exceptional protection against corrosion, especially in harsh and aggressive environments.
High Strength and Toughness: Provides good mechanical properties, including high strength and toughness, suitable for demanding applications.
Versatile Fabrication: Can be easily fabricated, welded, and machined, allowing for a wide range of applications.
Resistance to Chlorides: Effective in resisting chloride-induced stress corrosion cracking and pitting.
Summary
904L stainless steel plate/sheet is a high-performance material designed for extreme environments requiring superior corrosion resistance and strength. Its high alloy content provides excellent resistance to oxidation, chloride-induced corrosion, and other aggressive chemicals, making it suitable for use in chemical processing, marine environments, oil and gas, pharmaceuticals, and aerospace applications.
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