Titanium for eyeglasses

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Kobe Steel standards Features Area of use
KS40, KS50
(pure titanium)
  • Most popular titanium material
  • Easy to process and highly versatile, despite being less strong than titanium alloys
 Riｍ
Temples
KS15-3-3-3
(Ti-15V-3Cr-3Sn-3Al)
  • High strength with tensile strength of 800 to 900 MPa (annealed material).
  • The most workable springy beta alloy and easy to use; applicable for a wide variety of parts.
  • Free from risk of temple breaking rsulting from heat-induced ductility deterioration during plating due to its relatively slow aging property.
 Riｍ
Temples
KS15-5-3
(Ti-15Mo-5Zr-3Al)
  • The highest-strength beta alloy, with a strength of 1000-1100 Mpa (annealed material)
  • Excellent springiness with a Young's modulus lower than other beta alloys, making it ideal for usage in temples
 Temples

Applications

  • Eyeglasses frames

New fields (consumer products)

Eyeglasses frames

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