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Class 420/99 - One percent or more carbon containing, but less than 1.7 percent


Subclass of Class 420 - Alloys or metallic compositions
Definition: Alloy or metallic composition containing 1 percent or more carbon.
No. of patents: 29
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
7210388Bimetal saw band
A bimetal saw band which is suitable for cutting materials of high hardness and wear resistance at high cutting speeds and with a reduced consumption of coolant is disclosed. The saw band includes a support band with from 0.20 to 0.45% of carbon, from 0.2 to 0.6% of...
05/01/2007
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
6572713Grain-refined austenitic manganese steel casting having microadditions of vanadium and titanium and method of manufacturing
An austenitic manganese steel microalloyed with nitrogen, vanadium and titanium used for castings such as mantles, bowls and jaws manufactured as wear components of crushers in the mining and aggregate industries, hammers used in scrap shredders, frogs an...
06/03/2003
6375895Hardfacing alloy, methods, and products
Disclosed is a hardfacing alloy capable of withstanding abrasion of the order of silicious earth particles and weldable in crack free state on industrial products, such as tool joints and stabilizers used in oil and gas well drilling, and other industrial...
04/23/2002
6261389Synchronizer ring
The present invention provides a synchronizer ring excellent in strength and abrasion resisting property, used in a speed change gear. This synchronizer ring according to the invention is consisted of, by weight, C:0.2~1.0%, Ni:1.0~6.0%, Mo:0.6~3.0%, Cu:1...
07/17/2001
6258316Steel ballistic shot and production method
A relatively high carbon, water-atomized, steel shot is softened via annealing to render it suitable for ballistic use. The annealing preferably includes decarburization from a surface layer or throughout and preferably provides the shot with a surface Kn...
07/10/2001
5876519Fe-based amorphous alloy
An Fe-based amorphous alloy having a compositional formula in atomic percent represented by Fe100-a-b-c-d-e-f Ala Gab Pc Cd Be Sif, wherein a to f satisfy 4ࣘaࣘ6, 1ࣘbࣘ3, 9...
03/02/1999
5861565Synchronizer ring
A synchronizer ring performing synchronous sliding operation with and separating operation from a rotating object member, is composed of an Fe sintered alloy. The Fe sintered alloy comprises carbon of from 1.2 wt. % to 2.0 wt. %, copper of from over 15.0 ...
01/19/1999
5648044Graphite steel for machine structural use exhibiting excellent free cutting characteristic, cold forging characteristic and post-hardening/tempering fatigue resistance
Graphite steel for a machine structural use exhibiting excellent cutting characteristic, cold forging characteristic and fatigue resistance, the graphite steel for a machine structural use containing: C: 0.1 wt % to 1.5 wt %; Si: 0.5 wt % to 2.0 wt %; Mn:...
07/15/1997
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
5364477Iron rich metallic glasses having high saturation induction and superior soft ferromagnetic properties at high magnetization rates
A magnetic metallic glass alloy exhibits, in combination, high saturation induction and low magnetic anisotropy energy. The alloy has a composition described by the formula Fea Cob Bc Sid Ce, where "a...
11/15/1994
5211772Wire rod for high strength and high toughness fine steel wire, high strength and high toughness fine steel wire, twisted products using the fine steel wires, and manufacture of the fine steel wire
The fine steel wire according to the present invention has a high strength and high toughness, which is used as a rubber reinforcing material for a belt cord or tire cord, or as missile wires. Such a fine steel wire can be obtained by drawing a wire rod f...
05/18/1993
5117874Flexible fluid transport pipe having hydrogen-induced cracking resistant high-strength steel
High-strength steel having excellent hydrogen-induced crack resistance, particularly in an environment of wet hydrogen sulfide and wires made thereof and their assembly, steel pipes, steel bands and shielding wires for marine cable are disclosed. This ste...
06/02/1992
5104464Soft magnetic alloy film
A soft magnetic alloy film has a composition formula expressed by Fex Mz Cw. M is at least one metallic element selected from a group consisting of Ti, Zr, Hf, Nb, Ta, Mo or W, or a mixture of these metallic elements. The composition ratio of x, z and w s...
04/14/1992
5069871Method of using an austenitic steel alloy as a wear part subject to gouging abrasion type metal loss
A method of producing a crusher wear part and the like subject to gouging abrasion type metal loss wherein the part is made of a modified austenitic (Hadfields) manganese steel having an Aluminum/Carbon ratio of 1.0 to 1.7, the casting being heat treated ...
12/03/1991
5067993Magnetic core material made of Fe-Co base alloy for high frequencies
A magnetic core material made of a Fe-Co base alloy for use at high frequencies, and has excellent high-frequency alternating magnetic properties. The core material composition is Co: 45-53% by weight, C: 0.3-3% by weight, one or both of Mn and Si: 0.1-2%...
11/26/1991
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
5062909Iron rich metallic glasses having saturation induction and superior soft ferromagnetic properties at high magnetization rates
A magnetic metallic glass alloy exhibits, in combination, high saturation induction and low magnetic anisotropy energy. The alloy has a composition described by the formula Fea Cob Bc Sid Ce, where "a...
11/05/1991
4909843Highly wear-resistant iron-nickel-copper-molybdenum sintered alloy with addition of phosphorous
A highly wear-resistant sintered alloy is to be provided, with which, using conventional sintering technology and no additional hardening treatment, commodity parts are to be produced, which, in respect to their wear property are to be equivalent to chill...
03/20/1990
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
4737392Steel wire with high tensile strength
Bending and torsional ductility of high tensile reinforcement steel wire or cord, especially for rubber products, such as tires, is improved by taking care that the steel compositions that are currently used for such application, have an extra low sulphur...
04/12/1988
4668310Amorphous alloys
Amorphous alloys having high strength, high hardness, high crystallization temperature, high saturation magnetic induction, low coercive force, high magnetic permeability and particularly low deterioration of magnetic properties with lapse of time, have a...
05/26/1987
4629504Steel materials for welded structures
Production of steel materials which show excellent HAZ qualities when used for welded structures and contain C: 0.001 to 0.300% Mn: 0.4 to 2.0% P: 0.025% max. S: 0.025% max. Al: 0.007% max. Ti: 0.003 to 0.050% O: 0.0010 to 0.0100% Balance: iron and unavoidable impu...
12/16/1986
4433032High chrome work roll
In a high chrome work roll, between the outer layer of a cast iron containing 10~25 weight % Cr and the core of a ductile cast iron containing less than 1.5 weight % Cr, an intermediary layer of a cast iron containing 5~10 weight % Cr is provided, and uni...
02/21/1984
4402884Method for producing ferro-nickel shots
A method for producing ferro-nickel shots which comprises adding a manganese source to molten ferro-nickel, pouring the molten ferro-nickel containing manganese onto a rotating disc to granulate the molten ferro-nickel stream, and cooling the granules thu...
09/06/1983
4268305Process for treating liquid steel intended in particular for manufacturing machine wire
The present invention relates to a process for treating liquid steel for the manufacture of machine wire. All or part of the manganese is added to an extra-mild steel, obtained after refining by any steelmaking process, directly in the production apparatu...
05/19/1981
4140524Low alloy band saw steel and method of making the same
A low alloy temper resistant saw blade steel containing about 0.90-1.4% carbon, 0.8-2% silicon, 0.5-1.5% vanadium, 1-3% tungsten plus twice the percent molybdenum, and the balance iron plus incidental impurities having a minimum hardness of Rc 60 in its h...
02/20/1979
3939086Highly classified oxidized developer material
An electrostatographic developer mixture comprising finely-divided toner particles electrostatically adhering to the surface of highly shape-classified low carbon hypereutectoid steel carrier particles, the steel carrier particles comprising carrier cores...
02/17/1976
 
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