Alloy materials with "zero expansion"! Also a substitute for aluminum and stainless steel! [Proven in the automotive, aerospace, and semiconductor industries]
LEX-ZERO is, as its name suggests, an alloy material that is effectively "zero expansion." It has been successfully developed and industrialized through unique alloy design and melting and refining technologies. It boasts lower thermal expansion properties than Super Invar, which is considered to have the smallest thermal expansion coefficient (α) among practical metal materials. I am confident that it will be a key solution not only for current challenges related to high precision but also for advanced challenges expected in the future. 【Features】 - Among practical metal materials, it has one of the world's smallest thermal expansion coefficients → 0±0.19ppm/K (20-25°C) - Capable of accommodating sizes from small to super large (from 10g to 15t) - High near-net shape capability - High integrity (for applications requiring defect-free quality, it can be processed through forging) - Quick response with block material stock (400×400×150mm)
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basic information
The LEX series, which includes "LEX-ZERO," currently offers more than 10 different types. It is broadly classified into two categories: low carbon and high carbon. Additionally, there are differences in physical properties and mechanical characteristics such as thermal expansion coefficient (α), operating temperature, tensile strength, and Young's modulus, allowing it to meet various usage environments and needs. For more details, please contact us or download the catalog.
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Applications/Examples of results
Semiconductor manufacturing equipment, CFRP molds, precision machine parts, precision inspection jigs.
Detailed information
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Forged products Block material
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Forged products Plate material
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Company information
Our company was established in 1920 by Soichiro Asano, the founder of the Keihin Industrial Zone. With 95 years of rich experience and numerous excellent skills and technologies, our products are supplied across a wide range of fields and have earned high evaluations and trust from users. The three factories that manufacture cast steel products, special cast steel products, and cast iron products are equipped with top-level domestic facilities, including vacuum degassing equipment, vacuum casting facilities, and the largest automatic molding line in Japan. At Japan Casting, we have established a research and development system centered around our technology research institute to strive for the development of new products and new technologies for tomorrow.
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