Supporting standard steel grades for structural alloy steel!
"SCM415H" is a chromium-molybdenum steel, commonly referred to as "chromoly," and is a surface-hardened steel that undergoes carburizing and quenching treatment for use. It is used in products that require high fatigue strength and impact resistance. Examples of applications include general-purpose gears, pins, shafts, and high-strength toughness components. 【Features】 ■ Surface-hardened chromium-molybdenum steel ■ Undergoes carburizing and quenching treatment for use ■ High fatigue strength and impact resistance ■ Used in general-purpose gears, pins, shafts, and high-strength toughness components ■ Stock dimensions φ16 to φ380 (some sizes may not be in stock) *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 850–900 Oil cooling Secondary 800–850 Oil cooling or 925 holding followed by 850–900 oil cooling - Tempering: 150–200 Air cooling ■ Tensile Test (Type 4 Specimen) - Yield Point: - - Tensile Strength: 830 N/mm² or more - Elongation: 16% or more - Reduction of Area: 40% or more ■ Impact Test - Charpy Impact Value: 69 J/cm² or more ■ Hardness Test - Hardness: 235–321 HBW *For more details, please refer to the catalog or feel free to contact us.
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Applications/Examples of results
【Applications】 ■General-purpose gears ■Pins ■Shafts, etc. *For more details, please refer to the catalog or feel free to contact us.
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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.