Ultra-thick hot-rolled pickled plate and preparation method thereof

• Main Authors: SONG MINGMING, LI WENCHAO, CHEN GUOTAO, WANG GUANGYING, LUAN YINGWEI, DING GUOJUN, WEI DONGHUA, WANG MENG
• Format: Patent
• Language: Chinese; English
• Published: 16.08.2022
• Subjects: ALLOYS; CHEMICAL SURFACE TREATMENT; CHEMISTRY; CLEANING OR DEGREASING OF METALLIC MATERIAL BY CHEMICALMETHODS OTHER THAN ELECTROLYSIS; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING MATERIAL WITH METALLIC MATERIAL; COATING METALLIC MATERIAL; COMBINED OPERATIONS; DIFFUSION TREATMENT OF METALLIC MATERIAL; FERROUS OR NON-FERROUS ALLOYS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; MACHINE TOOLS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS; METAL-WORKING NOT OTHERWISE PROVIDED FOR; METALLURGY; METALLURGY OF IRON; MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; OTHER WORKING OF METAL; PERFORMING OPERATIONS; TRANSPORTING; TREATMENT OF ALLOYS OR NON-FERROUS METALS; UNIVERSAL MACHINE TOOLS

The invention relates to the technical field of metal smelting, and particularly discloses an ultra-thick hot-rolled pickled plate and a preparation method thereof.The ultra-thick hot-rolled pickled plate comprises, by weight, 0.06% < = C < = 0.09%, 0.03% < = Si < = 0.05%, 1.65% < = Mn < = 1.85%, 0.08% < = V < = 0.12%, 0.01% < = Ni < = 0.03%, 0.002% < = Cr < = 0.01%, P < = 0.02%, S < = 0.01%, Cu < = 0.02% and the balance Fe and inevitable impurities. The ultra-thick hot-rolled pickled plate is simple in component system, low in manufacturing cost, excellent in comprehensive performance and good in surface quality, can be widely applied to the fields of automobile beam steel, engineering machinery beam and structural steel, automobile clutch pressure plates and the like, and is wide in market prospect. 本发明涉及金属冶炼技术领域，具体公开一种超厚热轧酸洗板及其制备方法，所超厚热轧酸洗板成分重量百分比为：0.06％≤C≤0.09％、0.03％≤Si≤0.05％、1.65％≤Mn≤1.85％、0.08％≤V≤0.12％、0.01％≤Ni≤0.03％、0.002％≤Cr≤0.01％、P≤0.02％、S≤0.01％、Cu≤0.02％，余量为Fe及不可避免的杂质。本发明的超厚热轧酸洗板的成分体系简单、制造成本低，且综合性能优异