| 摘要 |
The application describes a lead-free ferritic stainless steel alloy having the following composition, all contents given in percent by weight: <tables id="TABLE-US-00001" num="00001"> <table frame="none" colsep="0" rowsep="0"> <tgroup align="left" colsep="0" rowsep="0" cols="3"> <colspec colname="offset" colwidth="42pt" align="left"/> <colspec colname="1" colwidth="14pt" align="left"/> <colspec colname="2" colwidth="161pt" align="char"/> <thead> <row> <entry/> <entry namest="offset" nameend="2" align="center" rowsep="1"/> </row> </thead> <tbody valign="top"> <row> <entry/> <entry>C</entry> <entry><=0.1</entry> </row> <row> <entry/> <entry>Si</entry> <entry><=2</entry> </row> <row> <entry/> <entry>Mn</entry> <entry>0.1-2</entry> </row> <row> <entry/> <entry>S</entry> <entry>0.08-0.4 </entry> </row> <row> <entry/> <entry>Cr</entry> <entry>16-25</entry> </row> <row> <entry/> <entry>Ni</entry> <entry><=2</entry> </row> <row> <entry/> <entry>Mo</entry> <entry>1-5</entry> </row> <row> <entry/> <entry>Cu</entry> <entry>0.01-3.0 </entry> </row> <row> <entry/> <entry>Ca</entry> <entry><=0.006</entry> </row> <row> <entry/> <entry>Sn</entry> <entry><=0.15</entry> </row> <row> <entry/> <entry>B</entry> <entry><=0.02</entry> </row> <row> <entry/> <entry>X</entry> <entry>0.01-0.5 and/or REM 0.01-1</entry> </row> <row> <entry/> <entry namest="offset" nameend="2" align="center" rowsep="1"/> </row> <row> <entry/> <entry namest="offset" nameend="2" align="left" id="FOO-00001">the balance Fe as well as impurities, where X is 2 * Te + 1 * Se + 1 * Bi.</entry> </row> </tbody> </tgroup> </table> </tables> The alloy has good machinability and good corrosion resistance, in comparison with the corresponding alloys containing lead. |
