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Formula: Fe/Cr 17/Ni 4
Form: Rod
Material: 17-4PH Stainless Steel
Commodity: Alloys
Goodfellow 17-4PH Stainless Steel Rod (AISI 630, 17-4PH SS) is known for its exceptional strength and corrosion resistance, making it ideal for advanced applications in aerospace, automotive, and biomedical fields. This precipitation-hardened martensitic stainless steel enhances its mechanical properties through a specialized aging process. Its ability to maintain high strength and hardness makes it a preferred choice for high-performance components such as aerospace fasteners, surgical instruments, and high-performance valves.
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Tolerances

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

Material Properties for Alloys

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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