HIGH-STRENGTH THIN STEEL SHEET AND METHOD FOR MANUFACTURING SAME
This disclosure provides a predetermined composition, where a conversion value C* of total carbon contents in Ti, Nb and V precipitates whose grain sizes are less than 20 nm is 0.010 mass% to 0.100 mass%, Fe content in Fe precipitates is 0.03 mass% to 0.50 mass%, and an average grain size of ferrite...
Saved in:
Main Authors | , , , |
---|---|
Format | Patent |
Language | English French German |
Published |
16.05.2018
|
Subjects | |
Online Access | Get full text |
Cover
Loading…
Summary: | This disclosure provides a predetermined composition, where a conversion value C* of total carbon contents in Ti, Nb and V precipitates whose grain sizes are less than 20 nm is 0.010 mass% to 0.100 mass%, Fe content in Fe precipitates is 0.03 mass% to 0.50 mass%, and an average grain size of ferrite grains whose grain sizes are top 5 % large in ferrite grain size distribution of rolling direction cross section is (4000/TS) 2 µm or less, the TS indicating tensile strength in unit of MPa. |
---|---|
Bibliography: | Application Number: EP20160821038 |