High-temperature bolt steel boasting excellent quality! Material tempered in its black-oxide state.
"SNB7-H" is a material that has been tempered while maintaining the black surface condition of "SNB7." The stock items are equivalent to ASTM A193 B7. The composition values can be verified through the issuance of a conformity certificate. Please also inquire about heat treatment certification. (However, tensile testing will be charged separately.) 【Features】 ■ Steel for high-temperature bolts ■ Material tempered while maintaining the black surface condition ■ Stock items are equivalent to ASTM A193 B7 ■ Composition values can be verified through the issuance of a conformity certificate ■ Stock dimensions range from φ12 to φ150 (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: - ・Tempering: 595 or higher ■Tensile Test (Type 4 Specimen) ・Yield Point: 725 N/mm² or higher ・Tensile Strength: 860 N/mm² or higher ・Elongation: 16% or higher ・Reduction of Area: 50% or higher ■Impact Test ・Charpy Impact Value: - ■Hardness Test ・Hardness: - *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.