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Class Information
Number: 420/129
Name: Alloys or metallic compositions > Ferrous (i.e., iron base) > Processes
Description: Processes of preparing an alloy or metallic composition .

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8163108 High-strength cold-rolled steel sheet, high-strength galvanized steel sheet, and high-strength alloyed hot-dip galvanized steel sheet having excellent formability and weldability, and methods Apr. 24, 2012
8002908 Steel product with a high austenite grain coarsening temperature Aug. 23, 2011
7717976 Method for making strain aging resistant steel May. 18, 2010
7445750 Reinforced durable steel, method for the production thereof, method for producing parts made of steel, and parts thus obtained Nov. 4, 2008
7338630 Free-cutting steel and fuel injection system component using the same Mar. 4, 2008
7267757 Magnetic head utilizing a CoNiFe alloy with 60-80 weight percent Fe and method for production therefor Sep. 11, 2007
7226493 Method for grain refining of steel, grain refining alloy for steel and method for producing grain refining alloy Jun. 5, 2007
7169731 Method for the synthesis of a fuel cell electrocatalyst Jan. 30, 2007
6905651 Ferritic stainless steel alloy and its use as a substrate for catalytic converters Jun. 14, 2005
6893727 Metal gasket and a material for its manufacture and a method for their manufacture May. 17, 2005
6800146 Magnetic circuit member Oct. 5, 2004
6702981 Low-carbon, low-chromium carburizing high speed steels Mar. 9, 2004
6582835 Coated ferrite stainless steel sheet usable in the automobile exhaust sector Jun. 24, 2003
6572713 Grain-refined austenitic manganese steel casting having microadditions of vanadium and titanium and method of manufacturing Jun. 3, 2003
6568061 Method for controlling composite preform elements during processing May. 27, 2003
6361624 Fully-stabilized steel for porcelain enameling Mar. 26, 2002
6206983 Medium carbon steels and low alloy steels with enhanced machinability Mar. 27, 2001
6174385 Ferritic heat resistant steels Jan. 16, 2001
6149862 Iron-silicon alloy and alloy product, exhibiting improved resistance to hydrogen embrittlement and method of making the same Nov. 21, 2000
6117389 Titanium killed steel sheet and method Sep. 12, 2000
6077324 Method for producing alloyed steels Jun. 20, 2000
6039920 Process for making rhenium-containing alloys Mar. 21, 2000
6030507 Process for making a crystalline solid-solution powder with low electrical resistance Feb. 29, 2000
5803947 Method of producing metallic magnesium, magnesium oxide or a refractory material Sep. 8, 1998
5656103 Steel strap and method of making Aug. 12, 1997
5466363 Integrated process for hydrotreating heavy oil, then manufacturing an alloy or steel using a carbon-based catalyst Nov. 14, 1995
5405578 Method for preparing master alloy hardeners for use in preparing an aluminum alloy Apr. 11, 1995
5391348 Apparatus and method for making steel alloys in a tundish Feb. 21, 1995
5322113 Method of producing amorphous alloy thin strip for commercial frequency band transformers Jun. 21, 1994
5288342 Solid metal-carbon matrix of metallofullerites and method of forming same Feb. 22, 1994
5200145 Electrical steels and method for producing same Apr. 6, 1993
5104460 Method to manufacture titanium aluminide matrix composites Apr. 14, 1992
5100614 Iron-rich metallic glasses having high saturation induction and superior soft induction and superior soft ferromagnetic properties Mar. 31, 1992
5059490 Metal-ceramic composites containing complex ceramic whiskers Oct. 22, 1991
5030519 Tungsten carbide-containing hard alloy that may be processed by melting Jul. 9, 1991
5011798 Chromium additive and method for producing chromium alloy using the same Apr. 30, 1991
4999053 Method of producing an iron-, cobalt- and nickel-base alloy having low contents of sulphur, oxygen and nitrogen Mar. 12, 1991
4994236 Method of making high melting point alloys Feb. 19, 1991
4985202 Process for forming porous metal-second phase composites Jan. 15, 1991
4978499 Soft steel for machine cutting and method of producing it Dec. 18, 1990
4956009 Calcium alloy steel additive and method thereof Sep. 11, 1990
4923675 Wear-resistant steel and method of its production May. 8, 1990
4915903 Process for forming composites having an intermetallic containing matrix Apr. 10, 1990
4915905 Process for rapid solidification of intermetallic-second phase composites Apr. 10, 1990
4915908 Metal-second phase composites by direct addition Apr. 10, 1990
4915902 Complex ceramic whisker formation in metal-ceramic composites Apr. 10, 1990
4913878 Method of testing the magnesium content of magnesium-treated cast iron Apr. 3, 1990
4909842 Grained composite materials prepared by combustion synthesis under mechanical pressure Mar. 20, 1990
4906435 Activator mixture for increasing the strength of iron alloys Mar. 6, 1990
4895592 High purity sputtering target material and method for preparing high purity sputtering target materials Jan. 23, 1990

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