专利名称：HOT-ROLLED STEEL SHEET发明人：Masayuki WAKITA,Mitsuru
YOSHIDA,Natsuko SUGIURA,HiroshiSHUTO,Tatsuo YOKOI
申请号：US15549093申请日：20150225
公开号：US20180037980A1公开日：20180208
摘要：A hot-rolled steel sheet includes a chemical composition represented by, inmass %, C: 0.010% to 0.100%, Si: 0.30% or less, Cr: 0.05% to 1.00%, Nb: 0.003% to 0.050%,Ti: 0.003% to 0.200% and others, wherein a proportion of grains having an intragranularmisorientation of 5° to 14° in all grains is 20% or more by area ratio, the grain beingdefined as an area which is surrounded by a boundary having a misorientation of 15° ormore and has a circle-equivalent diameter of 0.3 μm or more.
申请人：NIPPON STEEL & SUMITOMO METAL CORPORATION
地址：Tokyo JP
国籍：JP
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