Alloy 1.4547: High-Performance Austenitic Stainless Steel Alloy


Alloy 1.4547 is a high-performance austenitic stainless steel alloy used in various applications due to its excellent corrosion resistance and high strength. It is also known as UNS S31254.


Chemical Composition

Chromium: 19.5–20.5%

Molybdenum: 6–6.5%

Nickel: 17.5–18.5%

Nitrogen: 0.18–0.22%

Sulfur: 0.01% (max)

Carbon: 0.02% (max)

Phosphorus: 0.03% (max)

Silicon: 0.80% (max)

Properties

Excellent Corrosion Resistance: Alloy 1.4547 offers excellent corrosion resistance to corrosive media such as chloride ions, hydrochloric acid, and sulfuric acid.

High Strength: This alloy possesses high strength, making it suitable for use in demanding applications.

Good Weldability: Alloy 1.4547 is readily weldable, increasing its range of applications.

Good Toughness: This alloy offers good toughness, making it more resistant to fracture.

Applications: Alloy 1.4547 is used in various applications, including:

Chemical Processing Plants

Marine Engineering

Food Processing Plants

Pharmaceutical Plants

Gas and Oil Industry

Pulse and Paper Industry

Heat Treatment: Alloy 1.4547 is not normally heat-treated. However, it can be annealed if required to increase corrosion resistance and toughness.


Forms of Supply: Alloy 1.4547 is available in various forms, including sheets, bars, tubes, and forgings.


Note: The above data is for reference only and may vary depending on the manufacturer and production batch. Always consult the manufacturer's specifications and datasheets before use.