Special nuts were fastened to bolts of each material (M17×40, pitch 1.0)! A comparison of each material was conducted.
To compare practical seizure phenomena, we conducted seizure tests using special nuts. The special nuts are designed to prevent loosening and utilize the internal spring action (SUS301) to strongly compress the threads of the bolt, generating friction torque that prevents free rotation. Typically, they are used with lubricants, but this time we applied them without lubrication to conduct seizure tests and compare various materials. For more details, please download the catalog and take a look. 【Testing Method】 ■ Fasten the special nuts onto bolts of each material (M17×40, pitch 1.0) (Screw in with a wrench and then unscrew) ■ Conduct seizure evaluation * For more details, please refer to the PDF materials or feel free to contact us.
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Silicolloy is a revolutionary new material that contains a large amount of silicon (silicon) and was developed using pure domestic technology. Silicolloy is a super alloy that possesses high strength, heat resistance (high-temperature oxidation resistance), corrosion resistance, wear resistance, high hardness, and low dimensional changes during heat treatment, all in one steel. Currently, many engineers (technicians and designers) are advancing its commercialization, contributing to new product development and total cost reduction through extended product lifespan. There are 'Silicolloy A2', which excels in overall balance as a precipitation-hardened stainless steel, and 'Silicolloy XVI', which has the highest hardness in the world as a precipitation-hardened type. Those who require both corrosion resistance and high hardness should definitely take note! In 2025, a new material called 'Axia Zero Series' will be developed. This new material is a precipitation-hardened stainless steel that not only has high corrosion resistance and high hardness but also high strength and high durability. 'Axia Zero3' achieves high hardness of 56-58 HRC, high corrosion resistance equivalent to austenitic types, and high strength in the 2000 MPa range. It features hardness obtained through precipitation hardening treatment at 480°C, which minimizes deformation and dimensional changes due to heat treatment and resolves various issues related to quenching.