Seiko Instruments Inc.

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SPRON: Non-Magnetic Performance

Magnetic characteristic (permeability)

SPRON510 is a high-performance alloy with excellent non-magnetic properties.
Unaffected by magnetic fields, it is an ideal material for high-reliability applications such as precision instruments and medical devices. If you are looking for a material that combines high strength, superior corrosion resistance, and non-magnetic performance, discover the unique properties of SPRON510.

FEATURES

Tensile Test Results

Exhibits tensile strength exceeding that of SUS631-H. As a strain-aging alloy, its strength can be further enhanced by optimizing the cold working rate and heat treatment conditions.

Spring Performance Test Results

Shows minimal set (loss of elasticity) under both static and dynamic loading, enabling even micro springs to achieve high spring force. After 1 million cycles in a repeated fatigue test, the set ratio is approximately one-sixth that of piano wire.

Corrosion Resistance Test Results
Demonstrates superior corrosion resistance compared to SUS316L in tests using 48% hydrobromic acid (HBr) and 36% hydrochloric acid (HCl).
Non-Magnetic Properties

Exhibits extremely low magnetic permeability, with no significant variation even at higher levels of cold working.

Ideal for components used in measurement and analytical equipment where magnetic interference must be minimized.

SPRON510 combines four key advantages—high strength, excellent resilience, superior corrosion resistance, and non-magnetic properties—delivering a level of performance unattainable with conventional metal materials. For more detailed specifications and application examples, please refer to the banner above.

DATA

Chemical Composition of SPRON510
Basic Properties of SPRON510

SPRON510 is a proprietary metal alloy developed by our company, primarily composed of cobalt (Co) and nickel (Ni). As shown in the table, it exhibits outstanding properties.

ADOPTIONS

  • dental devices
    dental devices
  • industrial machinery
    industrial machinery
  • MFC
    MFC

SPRON510 is widely used in components operating under demanding environments, including medical devices, precision machinery, and semiconductor-related applications. Combining excellent strength, resilience, corrosion resistance, and non-magnetic properties, it enables extended service life and high reliability, delivering proven value to manufacturing operations.

STEP FLOW

STEP FLOW

SPRON510 is processed based on customers’ drawings and delivered directly as finished products or components. We propose optimal solutions to address customer challenges and provide a wide range of custom-made products.

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NEWS

OTHERS

SPRON100 Link
TNS合金 Link