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Class Information
Number: 420/31
Name: Alloys or metallic compositions > Ferrous (i.e., iron base) > 1.7 percent or more carbon containing > 2.7 percent or more carbon equivalent containing (i.e., cast iron) > Processes > Adding sulfur, selenium or tellurium
Description: Process which includes a step of adding one or more of sulfur, selenium or tellurium to the alloy or metallic composition.










Patents under this class:

Patent Number Title Of Patent Date Issued
6793707 Inoculation filter Sep. 21, 2004
6197088 Producing liquid iron having a low sulfur content Mar. 6, 2001
5778530 Method of manufacturing a camshaft Jul. 14, 1998
5503475 Method for determining the carbon equivalent, carbon content and silicon content of molten cast iron Apr. 2, 1996
5373888 Method for the production of ductile cast iron Dec. 20, 1994
5328502 Method for controlling and regulating the primary nucleation of iron melts Jul. 12, 1994
4900509 Process for manufacturing cast iron containing vermicular graphite Feb. 13, 1990
4261740 Apparatus for analyzing nodular or vermicular cast iron samples Apr. 14, 1981
4166738 Method for the treatment of nodular or vermicular cast iron samples Sep. 4, 1979











 
 
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