MANUFACTURE OF HOT-AUSFORGED PRODUCT BY USING TOUGH AND HARD BORON STEEL

• Main Author: ONISHI KAZUYOSHI
• Format: Patent
• Language: English
• Published: 11.11.1988
• Subjects: CHEMISTRY; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS; METALLURGY; METALLURGY OF IRON; MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS

PURPOSE:To manufacture the titled product remarkably reduced in steel stock cost, by subjecting a hot-rolled steel stock containing specific percentages of C, Si, Mn, Cr, Cu, Sol Al, Ti, Nb, and B to heating, forging, and hardening under specific conditions. CONSTITUTION:A hot-rolled steel stock whi...