Evaluation of individual test specimens! Publication of test results for "Silicoloy A2-OAG" and "SUS440" among others.
This document presents a comparison of single specimens and test specimens assembled with bolts and nuts in a dissimilar metal contact corrosion test, as well as comparisons of precipitation-hardened stainless steel and various types of stainless steel. The test specimens with bolts and nuts were combined and immersed in tap water at 65°C, and for comparison, single specimens (plate-shaped test pieces) were also evaluated. After 45 days of immersion, the test specimens were removed, and photographs of their appearance were taken. We invite you to read it. 【Contents】 ■ Test Method ■ Test Equipment ■ Test Specimen (Single) ■ Test Specimen (Bolt-Nut Combination) ■ Test Results (Single) ■ Test Results (Bolt-Nut Combination) *For more details, please refer to the PDF document 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.