Alloy steel with excellent properties of heat resistance, corrosion resistance, sulfide resistance, seizure resistance, and wear resistance.
It refers to "alloy steel," which has excellent properties such as heat resistance, corrosion resistance, sulfide resistance, seizure resistance, and wear resistance, created by new technology on the surface of iron-based materials. This can be generated on all conventional thermal materials (including stainless steel and cast iron) and can be widely used to enhance the added value of both conventional and new products. This "alloy steel" is formed by the "mutual diffusion phenomenon" of iron and aluminum.
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basic information
●Basic Characteristics of Alumina Treatment α 1. Physical Properties There is an Fe+Al alloy layer on the internal surface layer of the base material, and the outermost surface is covered with an oxide film (Al2O2). ● Extremely high hardness - MHV 800 to 1,000 ● Excellent resistance to seizure and galling. ● Heat resistant - melting temperature is about 1,160°C ● The strength of the base material remains almost unchanged after treatment. ● High dimensional accuracy can be achieved. ● Effective as a method for bonding (fusing) dissimilar materials. ● Welding is also possible. 2. Chemical Properties The alloy layer and the oxide film on the outermost surface are chemically stable. ● Improvement in Corrosion Resistance a. Excellent resistance to high-temperature oxidation. b. Excellent resistance to sulfidation. c. Improvement can be made across general corrosion, with particularly excellent characteristics in high-temperature corrosion resistance. d. Stress corrosion cracking can be prevented.
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Yura Sangyo's Special Sales Department aims to contribute to the screw demand industry by ensuring that we can deliver "better screws" at "more reasonable prices" and "just in time" through our wholesale operations of screws and related products. We strive to perfect our various business activities to achieve this goal. 1. Abundant inventory: Over 50,000 items with more than 10,000 tons of stock. 2. Wide range of suppliers: Partnering with 250 domestic and international suppliers, including SPS Unbrako, which specializes in the aerospace sector. 3. Robust immediate delivery system: Quickly responding to customer needs from small lot orders. 4. Reliable quality control: Conducting thorough inspections and traceability from product arrival to delivery in a separate department from the wholesale division, we also handle engineering fasteners (bolts and nuts) based on customer advice and needs. Our product lineup and business details are as follows. We primarily focus on made-to-order production and also handle some branded products from the wholesale division.
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