An unparalleled lineup that leaves no room for others to follow! Skin-tempered steel with minimal distortion due to heat treatment.
"SNCM815" possesses self-hardening properties among SNCM materials, allowing for easy air cooling and hardening even for large components, with minimal distortion from heat treatment, making it suitable for precision parts. Additionally, the nickel content is high at 4.00-4.50%, and it is used as a tough skin-hardened steel for applications such as gears. [Features] - Possesses self-hardening properties - Easy to harden with air cooling even for large components - Minimal distortion from heat treatment - Suitable for precision parts - High nickel content of 4.00-4.50% - Diameter range of φ50 to φ300 *For more details, please refer to the catalog or feel free to contact us.*
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basic information
【Mechanical Properties (Reference Values)】 ■Heat Treatment ・Quenching: Primary 830–880 Oil Cooling, Secondary 750–800 Oil Cooling ・Tempering: 150–200 Air Cooling ■Tensile Test (Type 4 Specimen) ・Yield Point: - ・Tensile Strength: 1080 N/mm² or higher ・Elongation: 12% or higher ・Reduction of Area: 40% or higher ■Impact Test ・Charpy Impact Value: 69 J/cm² or higher ■Hardness Test ・Hardness: 311–375 HBW *For more details, please refer to the catalog or feel free to contact us.
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Applications/Examples of results
【Applications】 ■Precision parts ■Gears, etc. *For more details, please refer to the catalog or feel free to contact us.
catalog（1）
Download All Catalogs![[Inventory List] SNCM Steel (Hardened Steel / Tough Steel)](https://image.mono.ipros.com/public/catalog/image_generated/01/3e0/406916/406916_IPROS8374521808383333810_1.jpg?w=120&h=170)
Company information
Hotta Hagane Co., Ltd. is a company that sells and processes special steel and stainless steel in general. We collaborate with processing factories that have skilled techniques in forging, heat treatment, drawing, and peeling of special steel, and we propose and respond to our customers' advanced requests. Please feel free to contact us.
