A comprehensive comparative test will be conducted on various materials, the presence or absence of surface treatment, the types of surface treatment, and the presence or absence of high-temperature oxidation tests!
Our company conducted an evaluation of the seizure resistance of bolts and nuts. We performed a comprehensive comparative test using various materials, the presence or absence of surface treatment, the type of surface treatment, and the presence or absence of high-temperature oxidation tests, following the anti-seizure treatment test methods. The test types correspond to the standards of the Japan Water Works Association JWWA G 113 and G 114 for anti-seizure treatment tests. For details such as test results, please download and view the catalog. 【Test Conditions (Partial)】 ■ Tightening Torque: 100 N·m ■ Nut Movement Distance During Tightening: 5–10 mm (Target Value) ■ Number of Tightening Cycles: 5 ■ Test Specimen Size: Hexagonal Bolt and Nut, M16×90 (Partially Threaded) ■ Test Specimen Material: SUS304J3, Silicoloy A2 (OAG), SUH660 (ST) *For more details, please refer to the PDF document or feel free to contact us.
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【Other Test Conditions】 ■ Baking Treatment (1) No surface treatment (untreated) (2) Surface Treatment A: Dry baking anti-seize agent (applied to bolt threads) (3) Surface Treatment B: Paste-like baking anti-seize agent (applied to bolt threads) ■ High-Temperature Oxidation Test (1) RT (room temperature)… No high-temperature oxidation test (2) High-temperature oxidation test (700℃×120hr)… Tightening test conducted after heat treatment of the test specimen ■ Evaluation Criteria (1) Presence or absence of axial force reduction after 5 repeated tightenings (2) Presence or absence of damage or seizure of the threads *For more details, please refer to the PDF document or feel free to contact us.
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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.