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17-4PH Stainless Steel Rod

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Grade: 17-4PH Composition: Fe/Cr 17/Ni 4 Form: Rod Material: Stainless Steel UNS Number: S17400 Commodity: Alloys
17-4PH Stainless Steel Rod is a precipitation-hardening martensitic stainless steel known for its high strength-to-weight ratio, excellent corrosion resistance, and versatile heat-treatable properties. It can be tailored to specific performance requirements through controlled aging treatments, enabling optimization of hardness, ductility, and toughness. These rods are widely used in aerospace, nuclear power systems, and precision manufacturing industries, where durability and stability under stress are essential. Specific uses include control rod drive components in nuclear reactors, aerospace structural fasteners, and high-performance shafts in mechanical systems. In research, its well-documented response to surface treatments, such as low-temperature plasma nitriding, offers opportunities for improving wear resistance without compromising corrosion performance. Its combination of mechanical adaptability and environmental resilience ensures continued relevance in advanced engineering and scientific innovation.
Starting at $261.00 each
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Material Properties

Mechanical Properties
Element Value
Elongation at break( % ) <11
Tensile strength( MPa ) 1050-1150
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 70-80
Temperature coefficient( K⁻¹ ) -
Thermal Properties
Element Value
Melting point( C ) 1400-1450
Thermal conductivity( W m⁻¹ K⁻¹ ) 14.9@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 11.9@21-93°C
Physical Properties
Element Value
Density( gcm⁻³ ) 7.82
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Available Configurations

Properties common to all products in this list

Grade: 17-4PH Composition: Fe/Cr 17/Ni 4 Form: Rod Material: Stainless Steel UNS Number: S17400 Commodity: Alloys

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Tolerances

Rod
Diameter =<10mm ±10%
Diameter >10mm ±5%