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7611590 |
Wear resistant alloy for valve seat insert used in internal combustion engines
This invention related to a high carbon and high molybdenum/tungsten martenisitic type iron base alloy with excellent hot hardness and wear resistance for making valve seat insert. The alloy...
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7517415 |
Non-ferromagnetic amorphous steel alloys containing large-atom metals
The present invention relates to novel non-ferromagnetic amorphous steel alloys represented by the general formula:
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7442338 |
Product manufacture in structural metallic materials reinforced with carbides
The present invention develops a manufacture method, via conventional liquid metallurgy, of finished and semi-finished metallic parts as casting, ingot, blooms and slabs in alloys base Fe, base Ni...
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7288157 |
Corrosion and wear resistant alloy
A powder metallurgy corrosion and wear resistant tool steel article, and alloy thereof. The article is manufactured by hot isostatic compaction of nitrogen atomized, prealloyed high-chromium,...
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6916444 |
Wear resistant alloy containing residual austenite for valve seat insert
This invention related to a novel iron base alloy using residual austenite to improve wear resistance for valve seat insert material for internal combustion engines. The residual austenite is...
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6908589 |
High manganese cast iron containing spheroidal vanadium carbide and method for making therof
The purpose of the present invention is to provide high manganese cast iron containing spheroidal vanadium carbide and method for making which is nonmagnetic as well as superior mechanical...
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6866816 |
Wear and corrosion resistant austenitic iron base alloy
A unique austenitic iron base alloy for wear and corrosion resistant applications, characterized by its excellent sulfuric acid corrosion resistance and good sliding wear resistance, is useful for...
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6761777 |
High chromium nitrogen bearing castable alloy
The present invention is directed to a corrosion and erosion resistant High Chromium, Nitrogen bearing alloy, comprising the following composition in wt. %: 28-48 chromium, 0.01-0.7 nitrogen,...
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6511554 |
Stainless 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...
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6348109 |
Steel material and method for its manufacturing
A steel material which is manufactured in a non-powder metallurgical way, comprising production of ingots or castings from a melt, consists of an alloy having the following chemical composition in...
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5795540 |
Corrosion and wear-resistant chill casting
A corrosion and wear-resistant chill cast part is formed from an iron composition comprising from 26 to 36 percent Cr; 0 to 10 percent Ni; 2 to 6 percent Mo; 0 to 3 percent Cu; 0 to 0.2 percent N;...
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5674449 |
Iron 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...
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5316596 |
Roll shell material and centrifugal cast composite roll
A roll shell, material is composed of C: 1.5.about.3.5%, Si: 1.5% or less, Mn: 1.2% or less, Cr: 5.5.about.12.0%, Mo: 2.0.about.8.0%, V: 3.0.about.10.0%, Nb: 0.6.about.7.0%, and satisfies the...
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5292382 |
Molybdenum-iron thermal sprayable alloy powders
An improved thermal sprayable molybdenum-iron alloy powder useful for forming wear and abrasion resistant coatings having high thermal conductivity and preferably good corrosion resistance. The...
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5246661 |
Erosion and corrsion resistant alloy
Air-meltable, castable, machinable, hardenable alloys that are very resistance to highly corrosive and abrasive slurries or fluids consisting essentially of, by weight, about 25% to about 37%...
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5202087 |
Cement cooler grate alloy
Alloys are provided which consist essentially of: TBL ______________________________________ CHROMIUM 11-20% By Weight NICKEL 3-10.5% MOLYBDENUM 1-4% CARBON ...
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5106577 |
Cement cooler grate alloy
Heat resistant alloys which have excellent abrasion resistance in the 1200° to 1400° F. (650° to 760° C.) temperature range and good resistance to hot gas corrosion resistance to about 1600°...
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5063116 |
Wire for dot printer
A powder metallurgy wire for a dot printer is disclosed which consists, by weight, of 1.5 to 2.8% C, 7.5 to 12.0% Cr, at least one kind selected from the group consisting of not more than 18.0% W...
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4964908 |
High density sintered ferrous alloys
Sintered ferrous alloys of at least 90% theoretical density are obtained by sintering a powder mixture containing atomized copper-free ferrous slloy, copper phosphide and, optionally, copper,...
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4935266 |
Process and material for producing corrosion-resistant layers
A process for producing a corrosion-resistant protection on stabilizing wall surfaces and superheater tubes in sulfur-bearing hot gases which are used at surfaces temperatures of over 400° C. in...
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4929416 |
Cast steel
Cast steel has the composition (% by mass) TBL ______________________________________ carbon 1.6-3.0 silicon 1.2-1.6 manganese 11.0-15.0 chromium 9.0-10.8 cerium ...
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4880461 |
Super hard high-speed tool steel
A super hard high-speed tool steel having a composition satisfying the condition of 0≤C-Ceq≤0.6 (where Ceq=0.06Cr+0.033 W+0.063 Mo+0.2 V within the range of 1.7≤C≤4.1%, the composition...
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4720435 |
Nuclear grade steel articles
Disclosed is an iron-base alloy eminently suited for use as components in nuclear energy installations. The alloy normally contains, in percent by weight, about 20% chromium, about 10% nickel,...
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4711677 |
High temperature bushing alloy
A cast austenitic stainless steel bushing for relatively high temperature turbocharger and automotive applications is provided having good hot hardness and hot strength properties and a...
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4643767 |
Nuclear grade steels
Disclosed is an iron-base alloy eminently suited for use as components in nuclear energy installations. The alloy normally contains, in percent by weight, about 20% chromium, about 10% nickel,...
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4638847 |
Method of forming abrasive resistant white cast iron
This invention relates to cast iron and more particularly to the improvement in the toughness and abrasive resistance of white cast iron along with a significant increase in tensile strength. More...
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4604781 |
Highly abrasive resistant material and grinding roll surfaced therewith
An alloy characterized by its highly abrasive resistant qualities which render it particularly suitable for use as the material from which to fabricate the external surface of a grinding, i.e.,...
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4584019 |
Wear resistant coating alloy
Wear resistant coatings of highly alloyed filler metal are deposited on base materials of carbon and manganese bearing ferrous alloys and this, depending on the carbon and manganese content of the...
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4547221 |
Abrasion-resistant refrigeration-hardenable ferrous alloy
An abrasion-resistant high-chromium type of alloyed white iron, which can be hardened and toughened by refrigeration at sub-zero temperatures, containing as its essential alloying constituents...
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4487630 |
Wear-resistant stainless steel
A high chromium stainless steel especially suited for use as wear (galling) resisting components, for example, valve parts. A typical alloy generally contains chromium, nickel, silicon, carbon, an...
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4433032 |
High chrome work roll
In a high chrome work roll, between the outer layer of a cast iron containing 10.about.25 weight % Cr and the core of a ductile cast iron containing less than 1.5 weight % Cr, an intermediary layer...
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4432883 |
Seal with teflon or rubber
A part is made of a material comprising less than 90% by weight of a polymer selected from the group consisting of polytetrafluoroethylene, polyurethane, nitrile, fluoroelastomer, and polyphenylene...
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4363660 |
Iron-base alloy having high resistance to molten zinc attack
An iron-base alloy having high erosion resistance to molten zinc attack which essentially consists of (by weight): 0.01 to 2% of carbon; 0.01 to 2% of silicon; 0.01 to 2% of manganese; ...
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4324584 |
Process for the decarburization of chromium-containing pig iron
A process is disclosed for the decarburization of a molten bath of chromium-containing pig iron which, in a single operation, permits decarburization by means of an oxygen jet and thus permits...
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4294613 |
Acid resistant, high-strength steel suitable for polishing
A high strength steel, suitable for polishing and acid-resistant cohesion, comprising besides iron and the usual residual elements, at most 2% (by weight) of C, at most 1% (by weight) of Si, at...
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4236920 |
Steel alloy
A steel alloy is disclosed which is suitable for use in parts exposed to extreme stress and wear at high temperatures comprising the following chemical composition in percentage by weight: TBL ...
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4200457 |
Ferrous base alloy for hard facing
A ferrous base alloy is disclosed, which is especially adapted for use as a hard facing or coating for poppet valves and the like. The alloy is characterized by the fact that it has an electron...
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4132419 |
Oil seal ring for rotary piston engines
Oil seal ring comprising a base body and a lip formed thereon. The base body is made of a relatively flexible iron based material such as a cast iron. The lip is made of a mixture of iron-based...
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4122817 |
Internal combustion valve having an iron based hard-facing alloy contact surface
A valve for an internal combustion engine having a contact surface formed of an alloy which exhibits satisfactory wear properties, PbO corrosion resistance and oxidation resistance, and is less...
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4094514 |
Metal alloy composition with improved wear resistance
A ferrous metal alloy and a heavy-duty grit seal having an annular ring made from the alloy. In the preferred form, the alloy includes from about 3.10% to about 3.35% carbon, not more than 1.00%...
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4023739 |
Lining element for pulp refiners
A lining element for pulp refiners is made by casting from a steel alloy containing from 1.0 to 5 percent by weight of titanium present as titanium carbide grains having an average size of 10...
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3998623 |
Method of producing alloys containing titanium carbide
Alloys based on iron, nickel or cobalt and containing titanium carbide are produced by melting techniques. A melt containing only one of the two elements of titanium carbide is combined with the...
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3925065 |
Valve seat materials for internal combustion engines
A valve seat material for internal combustion engine, which comprises at least one lubricating material selected from the group consisting of lead and glass in a phosphorus-containing precipitation...
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3859083 |
CAST ALLOY FOR VALVE SEAT-INSERT
This invention relates to a cast alloy for valve seat-insert having an excellent wear resistance for use in an automobile engine consuming lead-free gasoline. The present invention relates to a...
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3859057 |
HARDFACING MATERIAL AND DEPOSITS CONTAINING TUNGSTEN TITANIUM CARBIDE SOLID SOLUTION
The specification discloses a hardfacing material having as the principal hard ingredient solid solution tungsten titanium carbide.
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3850621 |
HIGH-SPEED TOOL STEELS
A high-speed tool steel possessing high wear resistance combined with good ductility and machinability, consisting essentially of 0.8 to 1.8 percent carbon, 3.5 to 10 percent chromium, 1 to 13...
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3502057 |
ALLOY,ARTICLE OF MANUFACTURE,AND PROCESS
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3489551 |
ABRASION RESISTANT FERROUS ALLOY CONTAINING CHROMIUM
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3334996 |
Hard, wear-resistant ferrous alloy
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3295401 |
Alloy steel shearing knives
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