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Class Information
Number: 420/25
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 of adding magnesium > In agent also containing silicon, rare earth, or alkaline earth metal
Description: Processes wherein magnesium in the iron alloy in an agent which additionally contain at least one of silicon, scandium, yttrium, a lanthanide metal, calcium, strontium or barium.










Patents under this class:

Patent Number Title Of Patent Date Issued
8540932 Ferritic spheroidal graphite cast iron Sep. 24, 2013
8297340 Method of producing ductile iron Oct. 30, 2012
7081172 Nodular graphite cast iron with high strength and high toughness Jul. 25, 2006
6760396 Coated metal articles and method of making Jul. 6, 2004
6126713 Additive for use in producing spheroidal graphite cast iron Oct. 3, 2000
5087290 Agent for the treatment of cast iron melts, process for the production thereof and the use thereof for treating cast iron melts Feb. 11, 1992
4592538 Apparatus for producing predominately iron alloy containing magnesium Jun. 3, 1986
4568388 Magnesium-titanium-ferrosilicon alloys for producing compacted graphite iron in the mold and process using same Feb. 4, 1986
4545817 Alloy useful for producing ductile and compacted graphite cast irons Oct. 8, 1985
4540436 Treatment agent for cast iron melts and a process for the production thereof Sep. 10, 1985
4519838 Apparatus and process for producing predominately iron alloy containing magnesium May. 28, 1985
4472197 Alloy and process for producing ductile and compacted graphite cast irons Sep. 18, 1984
4450019 Ductile cast iron May. 22, 1984
4290805 Method for obtaining iron-based alloys allowing in particular their mechanical properties to be improved by the use of lanthanum, and iron-based alloys obtained by the said method Sep. 22, 1981
4236944 Cast iron especially suited for ingot molds Dec. 2, 1980
4224064 Method for reducing iron carbide formation in cast nodular iron Sep. 23, 1980
4224069 Transportation stable magnesium and iron diluent particle mixtures for treating molten iron Sep. 23, 1980
4217133 Refining additive and process for preparing same Aug. 12, 1980
4150979 Method of continuous production of nodular cast iron Apr. 24, 1979
4111691 Crushable low reactivity nickel-base magnesium additive Sep. 5, 1978
4086086 Cast iron Apr. 25, 1978
4052203 Crushable low reactivity nickel-base magnesium additive Oct. 4, 1977
4036641 Cast iron Jul. 19, 1977
3955973 Process of making nodular iron and after-treating alloy utilized therein May. 11, 1976











 
 
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