ROLLED STEEL BAR OR ROLLED WIRE MATERIAL FOR COLD-FORGED COMPONENT
In a rolled steel bar or rolled wire rod for a cold-forged component having a predetermined chemical composition, Y1 represented by Y1=[Mn] ×[Cr] and Y2 represented by Y2=0.134×(D/25.4-(0.50×[C]))/(0.50×[C]) satisfy Y1>Y2, the tensile strength is 750 MPa or less, an internal structure is a fe...
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| creator | OBATA Akihisa CHIBA Keisuke MATSUI Naoki HORI Shoji CHIDA Tetsushi NEISHI Yutaka |
| description | In a rolled steel bar or rolled wire rod for a cold-forged component having a predetermined chemical composition, Y1 represented by Y1=[Mn] ×[Cr] and Y2 represented by Y2=0.134×(D/25.4-(0.50×[C]))/(0.50×[C]) satisfy Y1>Y2, the tensile strength is 750 MPa or less, an internal structure is a ferrite-pearlite structure, and the ferrite fraction in the internal structure is 40% or greater. AMOUNT IS 0.30% |
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AMOUNT IS 0.30%</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | ALLOYS 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 MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PERFORMING OPERATIONS PUNCHING METAL ROLLING OF METAL TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | ROLLED STEEL BAR OR ROLLED WIRE MATERIAL FOR COLD-FORGED COMPONENT |
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