1.4548.4 / 1.4548.9 / X5CrNiCuNb17-4-4

X5CrNiCuNb17-4-4 / 1.4548.4 / 1.4548.9 – High-Strength, Corrosion-Resistant Precipitation-Hardening Stainless Steel

X5CrNiCuNb17-4-4, also known as 1.4548.4 or 1.4548.9, is a premium precipitation-hardening stainless steel that combines excellent corrosion resistance with high strength and toughness. This alloy can be heat-treated to achieve various strength levels, making it an ideal choice for demanding applications in the aerospace, marine, and petrochemical industries where durability and resistance to corrosion are essential.

Properties of X5CrNiCuNb17-4-4

X5CrNiCuNb17-4-4 is recognized for its:

• High Tensile Strength and Toughness – Through precipitation hardening, this alloy achieves superior strength and impact resistance, suitable for high-stress applications.
• Excellent Corrosion Resistance – Offers robust corrosion resistance, even in harsh environments, making it reliable in marine and industrial settings.
• Dimensional Stability – Maintains stability under stress and resists distortion, ensuring precision for critical components.

Applications of X5CrNiCuNb17-4-4

Thanks to its versatile properties, X5CrNiCuNb17-4-4 is widely used in:

• Aerospace Components – Ideal for structural parts, fasteners, and landing gear that demand high strength and corrosion resistance.
• Marine and Offshore Applications – Suitable for shafts, pumps, and valves exposed to seawater and other corrosive elements.
• Petrochemical and Industrial Equipment – Applied in gears, shafts, and high-strength fasteners for applications requiring wear resistance and durability.

WTE PowerSteel is a global stockist and distributor of X5CrNiCuNb17-4-4, providing this high-performance stainless steel to industries worldwide. With a commitment to quality and technical support, WTE PowerSteel offers expert guidance in selecting and processing X5CrNiCuNb17-4-4 for optimal performance in critical applications. Contact us to learn more about our worldwide distribution and the benefits of X5CrNiCuNb17-4-4 for your specialized projects.

1.4548.4 / 1.4548.9 / X5CrNiCuNb17-4-4

AISI 630, WL 1.4548.4, 17-4PH, AMS 5622, AMS 5643, UNS S17400