SNCM steel (high-strength steel) 'SNCM630'

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last updated：Sep 29, 2018

堀田ハガネ

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An unparalleled and impressive lineup that leaves no room for others to follow! High-strength steel with a large amount of chrome.

"SNCM630" is a material with a particularly high amount of chromium among nickel-chromium-molybdenum steels. Chromium is related to carbide formation, enhances hardenability, and prevents softening due to tempering. It also has a high content of nickel and molybdenum. It is mainly used for large gear shafts. [Features] - Particularly high chromium content among nickel-chromium-molybdenum steels - Enhances hardenability and prevents softening due to tempering - High content of nickel and molybdenum - Mainly used for large gear shafts, etc. - Stock dimensions φ13 to φ320 (some sizes may not be in stock) *For more details, please refer to the catalog or feel free to contact us.

Related Link - http://www.hotta-hagane.co.jp/product/02_sncm630.s…

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【Mechanical Properties (Reference Values)】 ■ Heat Treatment - Quenching: 850–950 Air Cooling (Oil Cooling) - Tempering: 550–650 Rapid Cooling ■ Tensile Test (Type 4 Specimen) - Yield Point: 885 N/mm² or more - Tensile Strength: 1080 N/mm² or more - Elongation: 15% or more - Reduction of Area: 45% or more ■ Impact Test - Charpy Impact Value: 78 J/cm² or more ■ Hardness Test - Hardness: 302–352 HBW *For more details, please refer to the catalog or feel free to contact us.