High-quality steel (SCM435H-H, SCM440H-H) that has been heat-treated while in a black skin condition. An eco-file is currently being offered for easy inventory confirmation at a glance.
The SCM steel (round bar) that has been quenched and tempered, 'SCM435H-H' and 'SCM440H-H', is material that has been treated in a tempered state while still in its black skin condition. For example, 'SCM440H-H' is available in a wide range of sizes from φ16 to φ150. Additionally, we have established a supply system that allows for quick responses, and we can also flexibly accommodate material cutting and component processing. 【Features】 ■ Material treated in a tempered state while still in black skin condition (products that have undergone marquenching) ■ Issuance of heat treatment certificates is possible ■ Abundant inventory and efficient delivery system ★ We are currently offering a set of two types of "Eco Files (paper)" that allow you to check product specifications and inventory status, similar to a comprehensive catalog. If you are interested, please apply through the inquiry form.
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basic information
【SCM435H-H Mechanical Properties (Reference Values)】 ■Heat Treatment ・Quenching: 830–880 Oil Cooling ・Tempering: 530–630 Rapid Cooling ■Tensile Test (Type 4 Specimen) ・Yield Point: 785N/mm² or more ・Tensile Strength: 930N/mm² or more ・Elongation: 15% or more ・Reduction of Area: 50% or more ■Impact Test ・Charpy Impact Value: 78J/cm² or more ■Hardness Test ・Hardness: 269–331HBW 【SCM440H-H Mechanical Properties (Reference Values)】 ■Heat Treatment ・Quenching: 830–880 Oil Cooling ・Tempering: 530–630 Rapid Cooling ■Tensile Test (Type 4 Specimen) ・Yield Point: 835N/mm² or more ・Tensile Strength: 980N/mm² or more ・Elongation: 12% or more ・Reduction of Area: 45% or more ■Impact Test ・Charpy Impact Value: 59J/cm² or more ■Hardness Test ・Hardness: 285–352HBW *For more details, please refer to the materials. Feel free to contact us with any inquiries.
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*For more details, please refer to the materials. Feel free to contact us as well.*
catalog（2）
Download All Catalogs![[Inventory List] SCM Steel (Round Bar) 'SCM440H-H'](https://image.mono.ipros.com/public/catalog/image_generated/01/b87/435497/435497_IPROS9413930783430687848_1.jpg?w=120&h=170)
![[Inventory List] SCM Steel (Round Bar)](https://image.mono.ipros.com/public/catalog/image_generated/01/b95/406929/406929_IPROS6030386866004583638_1.jpg?w=120&h=170)
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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.