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Stainless steel 17-4 PH

Metal

Stainless steel 17-4 PH

1.4542 | X5CrNiCuNb16-4 | SUS630

ProcessCNC Machining

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* Property values are for reference and may vary by alloy, temper, and processing conditions.

Stainless steel 17-4 PH is a type of stainless steel whose strength and hardness can be enhanced through precipitation hardening heat treatment. By processing it at different temperatures, stainless steel with varying strengths, toughness, and elongation properties can be obtained while maintaining dimensional stability.

Material Properties

Mechanical Properties

  • Yield strength

    ≥ 1170 MPa

  • Tensile strength

    ≥ 1310 MPa

  • Elongation

    10 - 14 %

  • Hardness

    40 - 45 HRC

  • Young's modulus

    196 - 200 GPa

Thermal properties

  • Maximum operating temperature

  • Thermal conductivity

    18 - 22 W/(m·K)

  • Coefficient of thermal expansion

    10.5 - 11.5 μm/(m·℃)

Physical Properties

  • Density

    7.78 g/cm³

Electrical properties

  • Electrical resistivity

    80 - 100 μΩ·cm

Manufacturability

  • Manufacturability-Corrosion resistance

    Very Good

  • Manufacturability-Weldability

    Good

Shenzhen

Building A, Jinsheng Finance Building, No. 217 Nanhuan Road, Bao'an District.

Hong Kong

MAKE DIRECT HOLDINGS LIMITED Unit 1111, 11/F, Hollywood Plaza, 610 Nathan Road, Mong Kok, Kowloon, Hong Kong