Stainless steel 15-5 | 1.4545 | X5CrNiCu15-5 | Stainless steel | Metal | Materials

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Stainless steel 15-5 | 1.4545 | X5CrNiCu15-5

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Material type

Metal
Material name

Stainless steel 15-5 | 1.4545 | X5CrNiCu15-5
Process compatibility

CNC machining

Compared to 17-4 stainless steel, 15-5 stainless steel offers superior toughness and even more impressive corrosion resistance. It is capable of meeting the rigorous mechanical property requirements of aerospace and nuclear applications, often making it the preferred choice for fasteners and structural components in these industries.

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Mechanical properties

Ultimate tensile strength

890 - 1200 MPa

Yield strength

590 - 890 MPa

Young's modulus (modulus of elasticity)

190 - 196 GPa

Elongation at break

7 - 16 %

Physical properties

Corrosion resistance

Good

Magnetism

Magnetic

Weldability

Good

Thermal properties

Maximum service temperature

820 °C

Thermal expansion coefficent

10.4 - 11.7 10^-6/ºC

Thermal conductivity

17 - 22 W/(m⋅°C)

Electrical properties

Electrical resistivity

77 μΩ*cm

Post treatments

Post-Processing

Hot working, Age hardening, Annealing

Anodizing compatibility

Not suitable

Common applications

Fittings & shafts in aircraft components

Chemical process equipment

Equipment for nuclear reactors

High pressure corrosive environments Gears & Fasteners

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Stainless steel 15-5 | 1.4545 | X5CrNiCu15-5