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Document Type and Number:
Japanese Patent JPWO2021176999
Kind Code:
A1
Abstract:
Provided is a hot rolled steel sheet having a predetermined chemical composition and a microstructure comprising, by area ratio, pearlite: 90 to 100% and pro-eutectoid ferrite: 0 to 10%, wherein the pearlite has an average lamellar spacing of 0.08 to 0.30 µm, and the percentage of cementite in the pearlite having a major axis length of more than 0.3 |um and an aspect ratio of less than 3.0 is less than 15%.

Application Number:
JP2022505088A
Publication Date:
September 10, 2021
Filing Date:
February 12, 2021
Export Citation:
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Domestic Patent References:
JP2015515548A2015-05-28
JP2011099129A2011-05-19
JP2011530659A2011-12-22
JP2019039056A2019-03-14
Foreign References:
US20190316235A12019-10-17
US20110259483A12011-10-27



 
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