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Class 420/100 - Chromium containing


Subclass of Class 420 - Alloys or metallic compositions
Definition: Alloy or metallic composition which additionally contains chromium.
No. of patents: 32
Last issue date: 11/06/2007


NumberTitleIssue Date
7291421Battery pack
A battery module is constructed of an integral battery case which is constituted by forming a plurality of prismatic cell cases into a unitized body, wherein positive electrode plates and negative electrode plates laminated alternately upon one another with interven...
11/06/2007
7011720Double-taper steel wire and continuous heat treating method and device therefor
A double tapered steel wire (S) is evenly heat treated over the entire length thereof. The wire (S) has its constant-diameter straight portion (21, 24) disposed between its opposite end tapered portions (22, 23) each tapered down to its reduced-diamete...
03/14/2006
6948247Method for forming a bearing race for a cylindrical bearing
A cylindrical roller bearing or needle roller bearing for use with a rolling raceway surface is subjected to a carbonitriding treatment to produce a layer containing 30 to 80% retained austenite in the vicinity of its surface that contacts a carburized layer of a ro...
09/27/2005
6949149High strength, high carbon steel wire
To achieve a drawn wire with a tensile strength defined by the equation of Y=Yo exp(A2εd) wherein Y is the tensile strength in MPa (N/mm2), Yo is the strength of as patented wire, A2 is a coefficient...
09/27/2005
6893609Bearing material
A long-life bearing steel for general purpose use is provided at low cost with no use of specific secondary refining process. Specifically, a bearing material having a component composition in which C: 0.95 to 1.10 mass %, Si: 0.15 to 0.70 mass %, Mn: 1.15 mass % or...
05/17/2005
6837945Steel cold work tool, its use and manufacturing
The invention concerns a steel article, which consists of an alloy having a chemical composition, which contains in weight-%: 1.2 to 2.5 C; 0.8 to 2.0 Si, which partly can be replaced by aluminium, which may exist in an amount of max 1.0%; 0.1 to 1.5 Mn; 0.5 to 1.5 ...
01/04/2005
6524405Iron base high temperature alloy
The present invention is directed to an iron, aluminum, chromium, carbon alloy and a method of producing the same, wherein the alloy has good room temperature ductility, excellent high temperature oxidation resistance and ductility. The alloy includes abo...
02/25/2003
6511554Stainless spheroidal carbide cast iron material
The present invention relates to stainless spheroidal carbide cast iron material is such: comprises iron (Fe) as its main component, C 0.6~4.0% and V 4~15% as its necessary components, P 0.01~0.15%, S 0.01~0.05% Al 0.05~1.0%, and Mg 0.01~0.2% as gas ...
01/28/2003
6406563Stainless spheroidal carbide cast iron
The present invention relates to stainless spheroidal carbide cast iron is such: comprises Fe as its main component;, C 0.6~4.0% and V 4~15% as its necessary components, P 0.01~0.15%, S 0.01~0.05%, and Al 0.05~1.0% as bubble assistants, and Ni 4~15%,...
06/18/2002
6403026Steel and process for the manufacture of a component for bearings
Steel for the manufacture of a component for bearings, the chemical composition of which comprises, by weight: 0.6%ࣘCࣘ1.5%; 0.4%ࣘMnࣘ1.5%; 0.75%ࣘSiࣘ2.5%, 0.2%ࣘCrࣘ2%; 0%ࣘNiࣘ0.5%; 0%ࣘMoࣘ0.2%; 0%ࣘAlࣘ0.05%; Sࣘ0.04%; the ...
06/11/2002
6162390Steel for bearings
Steel for the manufacture of a component for bearings, the chemical composition of which comprises, by weight: 0.6%ࣘCࣘ1.5%; 0.4%ࣘMnࣘ1.5%; 0.75%ࣘSiࣘ2.5%; 0.2%ࣘCrࣘ2%; 0%ࣘNiࣘ0.5%; 0%ࣘMoࣘ0.2%; 0%
12/19/2000
6153024Wire stock suitable for reinforcement
This wire stock is made of a microalloyed steel having a carbon content of between 0.2% and 0.6% by weight and furthermore containing at least one alloying element selected from the group consisting of vanadium, molybdenum and chromium, in a proportion, b...
11/28/2000
6099797Steel tire cord with high tensile strength
This invention reveals steel alloys for use in manufacturing reinforcing wires for rubber products, such as tires. The steel filaments made with such steel alloys have an outstanding combination of strength and ductility. The steel alloys of this inventio...
08/08/2000
5764025Vehicle battery
A base plate includes a planar member. Two rods extend from the planar member, each of the rods having a free end. A battery includes two bores there-through, the bores positioned and configured to receive the rods when the battery is positioned on the pl...
06/09/1998
5695576High ductility steel, manufacturing process and use
High-strength high-ductility steel whose chemical composition, by weight, comprises from 0.15% to 0.35% of carbon, from 0% to 3% of silicon, from 0% to 3% of aluminium, from 0.1% to 4.5% of manganese, from 0% to 9% of nickel, from 0% to 6% of chromium, fr...
12/09/1997
5674449Iron base alloys for internal combustion engine valve seat inserts, and the like
An iron base alloy having high wear resistance at elevated temperatures with good oxidation resistance contains 1-2.8 wt. % carbon, 3-16 wt. % chromium, 1-8 wt. % vanadium, 0.5-5 wt. % niobium, up to 14 wt. % molybdenum and up to 14 wt. % tungsten, the mo...
10/07/1997
5478523Graphitic steel compositions
A machinable, graphitic steel is disclosed having a composition in weight % of about 1.0 to 1.5 total C; 1.0 to Si; 0.3 to 1.0 Mn; up to 2.0 Ni; up to 0.5 Cr; up to 0.5 Mo; up to 0.1 S; up to 0.5 Al; balance Fe and incidental impurities. The steel is hot ...
12/26/1995
5229069High strength alloy steels for tire reinforcement
This invention reveals steel alloys which are particularly suitable for use in manufacturing reinforcing wires for rubber products, such as tires. The steel filaments made by this process have an outstanding combination of strength and ductility. Addition...
07/20/1993
5167727Alloy steel tire cord and its heat treatment process
This invention reveals steel alloys which are particularly suitable for use in manufacturing reinforcing wires for rubber products, such as tires. The steel filaments made by this process have an outstanding combination of strength and ductility. Addition...
12/01/1992
5066455Alloy steel wires suitable for tire cord applications
This invention reveals steel alloys which are particularly suitable for use in manufacturing reinforcing wires for rubber products, such as tires. The steel filaments made by this process have an outstanding combination of strength and ductility. Addition...
11/19/1991
4929288Corrosion and abrasion resistant alloy
A white iron alloy exhibits enhanced combined corrosion and abrasion resistance in hot slurries, such as those formed in the production of raw phosphoric acid. The alloy may contain from between about 0.75% to 1.5% carbon, between about 2.0% to 2.5% manga...
05/29/1990
4911885High carbon chromium bearing steel
a high carbon chromium bearing steel having a carbon content from 0.8% to 1.2% by weight, and which is characterized by a nickel content of 1.0% to 2.0% by weight, a chromium content of 0.9% to 2.0% by weight, a silicon content of 1.0% to 2.0% by weight, ...
03/27/1990
4842818Method for manufacturing tapered rods
Method for manufacturing a tapered rod for a coil spring from a metallic material of mainly steel in a linear state, by imparting heating to the same with a predetermined temperature gradient pattern in the axial direction thereof while or before pulling ...
06/27/1989
4769214Ultrahigh carbon steels containing aluminum
An ultrahigh carbon steel having a composition of carbon in an amount of from about 0.8 weight percent up to the maximum solubility limit of carbon in austenite, aluminum in an amount of from about 0.5 to about 10 weight percent, an effective amount of a ...
09/06/1988
4761187Method of improving stress corrosion resistance of alloys
A method of improving the stress corrosion resistance of an alloy comprising heating a martensitic stainless steel to a molten state and incorporating into said molten steel from 0.5 to 2.0 weight percent of an additive selected from the group consisting ...
08/02/1988
4642219Bearing steel and method of manufacturing the same
A high-quality bearing steel contains 0.70 to 1.10% by weight of C, 0.15 to 1.60% by weight of Si, 0.15 to 1.15% by weight of Mn, 0.010% by weight or less of P, 0.002% by weight or less of S, 0.50 to 1.60% by weight of Cr, 0.015% by weight or less of Al, ...
02/10/1987
4533390Ultra high carbon steel alloy and processing thereof
An ultra high carbon steel having a composition of carbon in an amount of from about 0.8 weight percent up to the maximum solubility limit of carbon in austenite; silicon in an amount of from about 3 to about 7 weight percent; an effective amount of a sta...
08/06/1985
4511400Production of tool steels using chemically prepared V2 O3 as a vanadium additive
Process for producing tool steel wherein a vandadium additive consisting essentially of chemically prepared, substantially pure V2 O3 is added to a molten steel having a carbon content above about 0.35 wt. % and containing silicon in...
04/16/1985
4224060Hard alloys
This invention relates to hard alloys with a chemical composition by weight of 0.7 to 1.5% carbon; 0.1 to 1.0% silicon; 0.15 to 0.50% manganese; 0.03% maximum phosphorus; 0.20% maximum sulphur; 3.5 to 6.0% chromium; 0 to 10% molybdenum; 0 to 10% tungsten;...
09/23/1980
4110514Weld metal deposit coated tool steel
A weld metal deposit which is not subject to solidification cracks and which is highly wear-resistant, also to the hot wear to which hot forming tools are subjected is disclosed. The weld metal deposit consists essentially of an air-hardening alloy steel ...
08/29/1978
4039328Steel
A high strength steel, useful in the manufacture of power bucket teeth, track links for tracked vehicles, frogs, working members of crushers and other mechanical components exposed in service to heavy loads, high - speed wear and subzero temperatures, con...
08/02/1977
4035159Iron-base sintered alloy for valve seat
Iron-base sintered alloy for the valve seats of internal combustion engines is an iron-base alloy powder containing, by weight, 6 - 20% chromium less than 2.0% nickel, and carbon 0.2 - 1.5%, together with at least one additive selected from among 0.3 - 1....
07/12/1977
 
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