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7601672 |
High Al stainless steel sheet and honeycomb bodies employing them
The present invention provides an Fe—Cr—Al based stainless steel sheet and double layered sheet having a high Al content of greater than 6.5%, honeycomb bodies employing the stainless steel...
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7531053 |
Fuel cell produced using a metallic material and its method of making
An inexpensive metallic material for interconnects of solid-oxide fuel cells, a fuel cell using the metallic material, and a method for producing the metallic material having excellent oxidation...
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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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7442265 |
Heat-resistant cast steel excellent in aged ductility and creep rupture strength for hydrogen producing reaction tubes
A heat-resistant cast steel excellent in high-temperature strength, aged ductility and creep rupture strength for use as a material for steam reforming reaction tubes in fuel cell hydrogen...
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7052561 |
Bulk amorphous steels based on Fe alloys
A bulk amorphous alloy has the approximate composition: Fe (100−a−b−c−d−e) Y a Mn b T c M d X e wherein: T includes at least one of the group consisting of: Ni, Cu, Cr and Co; M includes...
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7005105 |
Fe-Cr-Al alloys for electric resistance wires
The present invention relates to Fe—Cr—Ar type alloys with additions to improve workability thereof, strength, and heat resistance. The present Fe—Cr—Al alloy for electric resistance wires...
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6936217 |
High-temperature material
A high temperature material which consists of a chromium oxide forming iron alloy including:
a) 12 to 28 wt % chromium, b) 0.01 to 0.4 wt % La, c) 0.2 to 1.0 wt % Mn, d) 0.05 to 0.4 wt % Ti,...
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6905651 |
Ferritic stainless steel alloy and its use as a substrate for catalytic converters
A ferritic stainless steel alloy useful as a substrate for catalytic converter material consists of, by weight: 15-21% Cr, 8-12% Al, 0.01-0.09% Ce, 0.02-0.1% total of REM, and possible minor...
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6846575 |
Article having turbulation and method of providing turbulation on an article
An article includes turbulation material bonded to a surface of a substrate via a bonding agent, such as a braze alloy. In an embodiment, the turbulation material includes a particulate phase of...
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6776956 |
Steel for separators of solid-oxide type fuel cells
Provided is a steel for separators of solid-oxide type fuel cells, which forms oxide films having good electrical conductivity at 700 to 950° C. or so, has good oxidation resistance and, in...
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6719855 |
Fe—Cr—Al based alloy foil and method for producing the same
The present invention provides an Fe—Cr—Al-based alloy for catalyst carriers and a foil thereof having a thickness of 40 μm or less, the alloy and the foil improved in the oxidation resistance...
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6652991 |
Ductile NiAl intermetallic compositions
The addition of small amounts of CeO 2 and Cr to intermetallic compositions of NiAl and FeAl improves ductility, thermal stability, thermal shock resistance, and resistance to oxidation,...
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6582652 |
Stainless steel alloy having lowered nickel-chromium toxicity and improved biocompatibility
The present invention is directed towards an austenitic, stainless steel series 300 alloy having improved biocompatible characteristics. The modified stainless steel alloy consists essentially of,...
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6582835 |
Coated ferrite stainless steel sheet usable in the automobile exhaust sector
Dip-coated ferrite stainless steel sheet usable in the automobile exhaust sector, characterized in that it comprises a steel core with the following composition by weight: 10.5%≦chromium≦20%...
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6391253 |
Stainless steel having excellent antibacterial property and method for producing the same
The present invention provides a stainless steel being excellent in workability, corrosion resistance and antibacterial property. To be more specific, a stainless steel containing 10 wt % or more...
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6355212 |
Alloy for corrosion-resistant coatings or surface coatings
The invention is directed to anti-corrosive alloys and relates in particular to an alloy containing cobalt, chromium, aluminum, yttrium, silicon, a metal from the second main group, together with...
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6303904 |
Weld material, gas metal arc welding method, and welded structure
An object of the present invention is to provide a weld material which contains 8 to 13% Cr, and can be used with the GMA welding method, a GMA welding method which has superior arc stability and...
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6294131 |
Heat resistant steel
A steel composition particularly useful for components of solid oxide fuel cells, for example a connector plate for collecting electrical current from a solid oxide fuel cell, consisting of, in...
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6203632 |
Oxidation-resistant metal foil, its use and method for its production
The invention relates to iron-chromium aluminum metal foil which is resistant to high-temperature oxidation. Said metal foil is produced by hot-dip aluminizing an iron-chromium support band with an...
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6146582 |
Austenitic stainless steel with good oxidation resistance
A new austenitic stainless steel alloy is provided (in wt. %) according to the following analysis: C: less than 0.12%; Si: less than 1.0%; Cr: 16-22%; Mn: less than 2.0%; Ni: 8-14%; ...
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6048601 |
Soft magnetic alloy powder for electromagnetic and magnetic shield, and shielding members containing the same
Disclosed is soft magnetic alloy powder for electromagnetic and magnetic shield, which can be easily flattened and exhibits good performance over a high frequency band, and a shielding member of...
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5948182 |
Heat resisting steel
A heat resisting steel consists essentially of 0.005-0.20% of C, 0.01-2.0% of Si, 0.1-2.0% of Mn, 20-30% of Ni, 10-20% of Cr, 3.0-4.5% of Ti and 0.1-0.7% of Al with the ratio Ti/Al being 5-20, and...
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5945064 |
Welding material for low chromium (Cr) ferritic steel having high toughness
This invention provides a welding material for low chromium (Cr) ferritic heat-resisting steel having high toughness, wherein the chemical composition of welding metal comprises, in weight %,...
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5939018 |
Martensitic stainless steels for seamless steel pipe
Martensitic stainless steels that enable the fabrication of high-strength seamless steel pipe suited for use in oil-well pipe and pipeline tubing by means of a Mannesmann plug mill or Mannesmann...
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5939204 |
Article for transporting a hot, oxidizing gas
An article that is used to transport a hot oxidizing gas, in particular a flue gas in a gas turbine, has a surface acted upon by the gas. This surface is formed by an alloy which has 10 to 40 wt. %...
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5906791 |
Steel alloys
A steel comprises additives including rare earth elements, boron and at least one of rhenium, osmium, iridium, ruthenium, rhodium. The steel exhibits resistance to embrittlement, oxidation and...
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5879619 |
Hydrogen sulfide corrosion resistant high-Cr and high-Ni alloys
A high-Cr and high-Ni alloy of the invention comprises the following chemical composition and has excellent corrosion resistance to hydrogen sulfide in an environment where a partial pressure of...
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5866065 |
Ferritic stainless steel of use in particular for catalyst supports
Ferritic stainless steel which resists oxidation at high temperature, of use in particular for a catalyst support structure, such as for example structures contained in the exhaust pipes of motor...
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5855844 |
High-strength, notch-ductile precipitation-hardening stainless steel alloy and method of making
A precipitation hardenable, martensitic stainless steel alloy is disclosed consisting essentially of, in weight percent, about TBL ______________________________________ C 0.03 max Mn ...
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5840135 |
Aluminum-beryllium alloys having high stiffness and low thermal expansion for memory devices
Articles of manufacture are made of aluminum-beryllium alloys having substantially randomly distributed aluminum-rich and beryllium rich phases to provide substantially isotropic mechanical...
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5824264 |
High-temperature stainless steel and method for its production
A high-temperature austenitic stainless steel having improved weldability is disclosed. The steel consists essentially, by weight, of: C: 0.05%-0.15%, Si: less than 1.0%, Mn: 2.0% or less, P:...
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5820818 |
Stainless steel having excellent thermal neutron absorption ability
The ferritic stainless steel of the present invention contain the following main chemical elements, in which a relationship between B and Gd, preferably, satisfies the following equation (1) on the...
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5820817 |
Steel alloy
A stainless steel comprises additives including at least one of rare earth elements and boron, so as to exhibit resistance to long term aging embrittlement. The stainless steel also contains...
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5800152 |
Oxidation resistant metallic materials
Metallic materials which possess suitable characteristics for serving as an intermediate layer between a thermal barrier coating and a matrix substrate, or as a separator for a solid oxide fuel...
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5772956 |
High strength, ferritic heat-resistant steel having improved resistance to intermetallic compound precipitation-induced embrittlement
A martensitic heat resistant steel is provided which has improved high temperature creep strength, contains Co and, at a temperature of 600° C. or above, does not form an intermetallic compound...
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5672315 |
Superplastic dual-phase stainless steels having a small deformation resistance and excellent elongation properties
A superplastic dual-phase stainless steel comprises C: not more than 0.05 wt %, Si: not more than 1.5 wt %, Mn: not more than 3.0 wt %, Cr: 17.0-26.0 wt %, Ni: 3.0-10.0 wt %, Mo: 0.1-2.0 wt %, N:...
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5665669 |
Metallic honeycomb body for supporting catalyst and production method thereof
A metallic honeycomb body for supporting a catalyst comprises a flat plate and a corrugated plate; these plates are formed by a foil of stainless steel in which the steel contains more than 1% of...
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5578265 |
Ferritic stainless steel alloy for use as catalytic converter material
The invention provides a ferritic stainless steel alloy useful for strip steel used in exhaust catalytic converters, consisting essentially of in weight %, ≤0.02% C, 19-21% Cr, 4.5-6% Al,...
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5569334 |
Stainless steel member for semiconductor fabrication equipment and surface treatment method therefor
Stainless steel member for semiconductor fabrication equipment having a passive state coating on the surface of the stainless steel comprising, in weight percent, 0.1% or less of C, 2.0% or less of...
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5489416 |
Heat-resistant, austenitic cast steel and exhaust equipment member made thereof
Exhaust equipment members are made of a heat-resistant, austenitic cast steel having a composition consisting essentially, by weight, of 0.1-0.6% of C, less than 1.5% of Si, 1% or less of Mn, 8-20%...
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5480608 |
Ferritic stainless steel having an excellent oxidation resistance
A ferritic stainless steel having excellent oxidation resistance, toughness and hot workability contains 0.001-0.20% of at least one of Ca, Mg and Ba as an amount of [Ca]+[Mg]+1/5[Ba], and La:...
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5426084 |
Highly heat-resistant metallic carrier for an automobile catalyst
A metallic carrier for an automobile catalyst, comprising a metallic honeycomb and a jacket, characterized in that a foil material constituting the metallic honeycomb is comprised of an...
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5332544 |
High-aluminum-containing ferritic stainless steel having improved high-temperature oxidation resistance
A ferric stainless steel consists by weight of less than 0.03% carbon, less than 1% silicon, less than 1% manganese, less than 0.04% phosphorus, less than 0.03% sulphur, from 15% to 25% chromium,...
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5273712 |
Highly corrosion and/or oxidation-resistant protective coating containing rhenium
A method of protecting and a protective coating for metal components formed of nickel or cobalt-based superalloys are disclosed. The protective coating essentially consists of the following...
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5228932 |
Fe-Cr-Al alloy, catalytic substrate comprising the same and method of preparation
An Fe-Cr-Al alloy having excellent oxidation resistance and high temperature brittleness resistance comprises: Cr: 10 to 28 wt. %, Al: 1 to 10 wt. %, and B : 0.0003 to 0.010 wt. %, and ...
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5202088 |
Ferritic heat-resisting cast steel and a process for making the same
Ferritic heat-resisting cast steel, which intends to highten the applicability for use of the exhaust manifold of a vehicle engine without losing oxidation resistance, machinability and structural...
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5194221 |
High-carbon low-nickel heat-resistant alloys
Air-meltable, castable, machinable, weldable heat-resistant alloys that are very resistant to hot gas corrosion and that exhibit high creep rupture strengths. The alloys are, by weight, about 7.5...
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5190722 |
High cold-forging electromagnetic stainless steel
A high cold-forging electromagnetic stainless steel comprises not more than 0.02 wt. % of C, not more than 0.50 wt. % of Si, not more than 0.50 wt. % of Mn, 10.0-18.0 wt. % of Cr, 0.30-1.50 wt. %...
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5165899 |
Element for filtering and/or purifying hot gases, and a process for manufacturing same
An element is disclosed for filtering and/or purifying hot gases, comprising a fibrous structure with a predetermined degree of porosity and formed of metal alloy fibrils of the MCrAlX type, in...
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5130085 |
High Al austenitic heat-resistant steel superior in hot workability
High Al austenitic steels are particularly susceptible to deterioration of the hot workability and suffer from severe cracking during hot working, with working becoming impossible in some cases....
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