STAINLESS STEEL POWDER, STAINLESS STEEL MEMBER, AND STAINLESS STEEL MEMBER MANUFACTURING METHOD

The purpose of the present invention is to provide a stainless steel powder that can be used to produce a stainless steel member having high strength, excellent low-temperature toughness, and excellent corrosion resistance in a high-temperature, harsh corrosive environment including carbon dioxide (...

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Main Authors TAKASHITA Takuya, IDE Shinsuke, EGUCHI Kenichiro
Format Patent
LanguageEnglish
French
Japanese
Published 04.04.2024
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Abstract The purpose of the present invention is to provide a stainless steel powder that can be used to produce a stainless steel member having high strength, excellent low-temperature toughness, and excellent corrosion resistance in a high-temperature, harsh corrosive environment including carbon dioxide (CO2) and chlorine ions (Cl-) or in an environment including hydrogen sulfide (H2S). The stainless steel powder has a specific composition, a D50 particle diameter, which is the median diameter located at the 50th percentile of the mass cumulative distribution, of 10-200 μm, and an apparent density of 3.5-5.0 mg/m3. L'objectif de la présente invention est de fournir une poudre d'acier inoxydable qui peut être utilisée pour produire un élément en acier inoxydable ayant une robustesse élevée, une excellente ténacité à basse température, et une excellente résistance à la corrosion dans un environnement corrosif agressif à haute température comprenant du dioxyde de carbone (CO2) et des ions chlore (Cl-) ou dans un environnement comprenant du sulfure d'hydrogène (H2S). La poudre d'acier inoxydable possède une composition spécifique, un diamètre particulaire D50, qui est le diamètre médian situé au 50ème percentile de la distribution massique cumulée, de 10 à 200 µm, et une densité apparente de 3,5 à 5,0 mg/m3. 本発明は、炭酸ガス(CO2)および塩素イオン(Cl-)を含む高温の厳しい腐食環境下や、硫化水素(H2S)を含む環境下等において、高強度と、優れた低温靭性と、優れた耐食性とを有するステンレス鋼部材を製造することができるステンレス鋼粉末を提供することを目的とする。特定の組成を有し、質量累積分布の50%に位置するメジアン径である粒径D50が10~200μmであり、見掛密度が3.5~5.0Mg/m3であるステンレス鋼粉末。
AbstractList The purpose of the present invention is to provide a stainless steel powder that can be used to produce a stainless steel member having high strength, excellent low-temperature toughness, and excellent corrosion resistance in a high-temperature, harsh corrosive environment including carbon dioxide (CO2) and chlorine ions (Cl-) or in an environment including hydrogen sulfide (H2S). The stainless steel powder has a specific composition, a D50 particle diameter, which is the median diameter located at the 50th percentile of the mass cumulative distribution, of 10-200 μm, and an apparent density of 3.5-5.0 mg/m3. L'objectif de la présente invention est de fournir une poudre d'acier inoxydable qui peut être utilisée pour produire un élément en acier inoxydable ayant une robustesse élevée, une excellente ténacité à basse température, et une excellente résistance à la corrosion dans un environnement corrosif agressif à haute température comprenant du dioxyde de carbone (CO2) et des ions chlore (Cl-) ou dans un environnement comprenant du sulfure d'hydrogène (H2S). La poudre d'acier inoxydable possède une composition spécifique, un diamètre particulaire D50, qui est le diamètre médian situé au 50ème percentile de la distribution massique cumulée, de 10 à 200 µm, et une densité apparente de 3,5 à 5,0 mg/m3. 本発明は、炭酸ガス(CO2)および塩素イオン(Cl-)を含む高温の厳しい腐食環境下や、硫化水素(H2S)を含む環境下等において、高強度と、優れた低温靭性と、優れた耐食性とを有するステンレス鋼部材を製造することができるステンレス鋼粉末を提供することを目的とする。特定の組成を有し、質量累積分布の50%に位置するメジアン径である粒径D50が10~200μmであり、見掛密度が3.5~5.0Mg/m3であるステンレス鋼粉末。
Author TAKASHITA Takuya
IDE Shinsuke
EGUCHI Kenichiro
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DocumentTitleAlternate ステンレス鋼粉末、ステンレス鋼部材およびステンレス鋼部材の製造方法
POUDRE D'ACIER INOXYDABLE, ÉLÉMENT EN ACIER INOXYDABLE ET PROCÉDÉ DE FABRICATION D'ÉLÉMENT EN ACIER INOXYDABLE
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Snippet The purpose of the present invention is to provide a stainless steel powder that can be used to produce a stainless steel member having high strength,...
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SubjectTerms ADDITIVE MANUFACTURING TECHNOLOGY
ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
ALLOYS
CASTING
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS
MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS
MAKING METALLIC POWDER
MANUFACTURE OF ARTICLES FROM METALLIC POWDER
METALLURGY
METALLURGY OF IRON
MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS
PERFORMING OPERATIONS
POWDER METALLURGY
TRANSPORTING
TREATMENT OF ALLOYS OR NON-FERROUS METALS
WORKING METALLIC POWDER
Title STAINLESS STEEL POWDER, STAINLESS STEEL MEMBER, AND STAINLESS STEEL MEMBER MANUFACTURING METHOD
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