STEEL FOR MOLD, AND MOLD
The present invention relates to a steel for mold, containing: 0.28 mass% ≤ C ≤ 0.65 mass%, 0.01 mass% ≤ Si ≤ 0.30 mass%, 1.5 mass% ≤ Mn ≤ 3.0 mass%, 0.5 mass% ≤ Cr ≤ 1.4 mass%, 1.9 mass% ≤ Mo+W/2 ≤ 4.0 mass%, 0.2 mass% ≤ V ≤ 1.0 mass%, and 0.01 ≤ N ≤ 0.10 mass%, with the balance being Fe and inevit...
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| creator | Umemori, Naoki Higuchi, Shigeki |
| description | The present invention relates to a steel for mold, containing: 0.28 mass% ≤ C ≤ 0.65 mass%, 0.01 mass% ≤ Si ≤ 0.30 mass%, 1.5 mass% ≤ Mn ≤ 3.0 mass%, 0.5 mass% ≤ Cr ≤ 1.4 mass%, 1.9 mass% ≤ Mo+W/2 ≤ 4.0 mass%, 0.2 mass% ≤ V ≤ 1.0 mass%, and 0.01 ≤ N ≤ 0.10 mass%, with the balance being Fe and inevitable impurities, in which, in a state after quenching and tempering, the steel has: a (Mo, W) carbide having a diameter of 0.2 µm or less being in an amount of 1.2 mass% or more, a ratio (mass ratio) of the amount of the (Mo, W) carbide to an amount of a Cr carbide being 11 or more, and a hardness change of 15 HRC or less. |
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| language | eng ; fre ; ger |
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| subjects | 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 | STEEL FOR MOLD, AND MOLD |
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