1.459, also known as UNS S31635, is a high-performance super-austenitic stainless steel with excellent corrosion resistance and mechanical properties. Particularly suitable for various structural profiles used in harsh environments. Here is an overview of its features and applications:
Composition:
– Contains approximately 19-21% Chromium, 12-14% Nickel and 2-3% Molybdenum.
– Adding nitrogen increases strength and resistance to pitting and crevice corrosion.
Corrosion Resistance:
– Excellent resistance to pitting, crevice corrosion and stress corrosion cracking, especially in chloride-rich environments.
– Suitable for marine applications and chemical processing.
Mechanical Properties:
– High tensile strength (approx. 570 MPa) and yield strength (approx. 280 MPa).
– Good plasticity and toughness, suitable for structural components under various loads.
Fabrication and weldability:
– Easily fabricated using standard techniques including welding, machining and forming.
– Careful welding procedures are required to maintain corrosion resistance and mechanical properties.
Beam: – Construction for load-bearing applications, providing strength and durability in corrosive environments.
Field: – Ideal for vertical support structures in corrosion-resistant buildings, bridges and industrial facilities.
Channel: – Used in structural framing and bracing systems to provide versatility and strength.
Angle: – Used in a variety of applications requiring high strength and corrosion resistance, including brackets and frames.
Plate: – For use in cladding, flooring and other applications where structural integrity and corrosion resistance are critical.
Marine Structures: – Commonly used in offshore platforms, shipbuilding and coastal infrastructure due to its excellent seawater resistance.
Chemical Processing: – Suitable for storage tanks, piping systems and reactors handling corrosive chemicals.
Food and Beverage Industry: – For use in equipment and structures requiring high hygiene standards and corrosion resistance.
Pulp and Paper Industry: – For use in machinery and infrastructure exposed to corrosive environments.
Construction: – Ideal for structural applications in buildings and bridges where durability and strength are critical.
1.459 Super Stainless Steel is an excellent choice for structural profiles in harsh environments. Its high strength, excellent corrosion resistance and versatility make it suitable for a wide range of applications in various industries, especially in the marine and chemical processing sectors. Proper manufacturing and welding techniques are essential to ensure optimal performance and service life.
If you have specific projects or further inquiries, please feel free to ask Peak Kong Special Steel Co., Limited.!
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