FERRITIC STAINLESS STEEL SHEET AND EXHAUST COMPONENT

Disclosed is a ferritic stainless steel sheet which has a chemical composition that contains, in mass%, 0.001% to 0.030% of C, 0.01% to 1.00% of Si, 0.01% to 0.90% of Mn, 0.010% to 0.100% of P, 0.0001% to 0.0100% of S, 16.0% to 20.0% of Cr, 1.00% to 1.50% of Cu, 0.02% to 0.50% of Mo, 0.050% to 0.300...

Full description

Saved in:
Bibliographic Details
Main Authors HAMADA, Jun-ichi, YOSHII, Chikako
Format Patent
LanguageEnglish
French
Japanese
Published 29.08.2024
Subjects
Online AccessGet full text

Cover

Loading…
More Information
Summary:Disclosed is a ferritic stainless steel sheet which has a chemical composition that contains, in mass%, 0.001% to 0.030% of C, 0.01% to 1.00% of Si, 0.01% to 0.90% of Mn, 0.010% to 0.100% of P, 0.0001% to 0.0100% of S, 16.0% to 20.0% of Cr, 1.00% to 1.50% of Cu, 0.02% to 0.50% of Mo, 0.050% to 0.300% of Ti, 0.050% to 0.200% of Nb, 0.003% to 0.500% of Al, 0.01% to 0.30% of Ni, 0.0001% to 0.0050% of B, 0.010% to 0.500% of V, 0.001% to 0.020% of N, and optional elements, with the balance being made up of Fe and impurities, while satisfying (830 ≤ 250Cu + 2216Nb + 3083V ≤ 2000) and (900 ≤ 1273Nb + 1343Mo + 7257Al ≤ 3800), and which has a crystal grain size number of 6 to 9. Est divulguée une feuille d'acier inoxydable ferritique qui présente une composition chimique qui contient, en % en masse, 0,001 % à 0,030 % de C, 0,01 % à 1,00 % de Si, 0,01 % à 0,90 % de Mn, 0,010 % à 0,100 % de P, 0,0001 % à 0,0100 % de S, 16,0 % à 20,0 % de Cr, 1,00 % à 1,50 % de Cu, 0,02 % à 0,50 % de Mo, 0,050 % à 0,300 % de Ti, 0,050 % à 0,200 % de Nb, 0,003 % à 0,500 % d'Al, 0,01 % à 0,30 % de Ni, 0,0001 % à 0,0050 % de B, 0,010 % à 0,500 % de V, 0,001 % à 0,020 % de N, et des éléments facultatifs, le reste étant constitué de Fe et d'impuretés, tout en satisfaisant (830 ≤ 250 Cu + 2 216 Nb + 3 083 V ≤ 2 000) et (900 ≤ 1 273 Nb + 1 343 Mo + 7 257 Al ≤ 3 800), et qui possède un nombre de tailles de grain cristallin de 6 à 9. 化学組成が、質量%で、C:0.001~0.030%、Si:0.01~1.00%、Mn:0.01~0.90%、P:0.010~0.100%、S:0.0001~0.0100%、Cr:16.0~20.0%、Cu:1.00~1.50%、Mo:0.02~0.50%、Ti:0.050~0.300%、Nb:0.050~0.200%、Al:0.003~0.500%、Ni:0.01~0.30%、B:0.0001~0.0050%、V:0.010~0.500%、N:0.001~0.020%、任意元素、残部:Feおよび不純物で、[830≦250Cu+2216Nb+3083V≦2000]および[900≦1273Nb+1343Mo+7257Al≦3800]を満足し、結晶粒度番号が6~9である、フェライト系ステンレス鋼板。
Bibliography:Application Number: WO2024JP06003