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8071018 |
High carbon hot-rolled steel sheet
A high carbon hot-rolled steel sheet which is a hot-rolled spheroidizing annealed material, including 0.2 to 0.7% C, 2% or less Si, 2% or less Mn, 0.03% or less P, 0.03% or less S, 0.08% or less...
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8043407 |
Welding solid wire
It is an object of the present invention to provide a similar composition metal type welding solid wire capable of forming a welded joint having excellent cryogenic characteristics, such as...
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7914629 |
High strength thick steel plate superior in crack arrestability
The present invention provides high strength thick steel plate superior in crack arrestability high in strength, free of deterioration of HAZ toughness, and free of anisotropy, that steel plate...
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7842141 |
Stainless-steel pipe for oil well and process for producing the same
A steel composition contains: 0.05% or less of C; 0.5% or less of Si; 0.20% to 1.80% of Mn; 0.03% or less of P; 0.005% or less of S; 14.0% to 18.0% of Cr; 5.0% to 8.0% of Ni; 1.5% to 3.5% of Mo;...
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7731896 |
Low alloy steel and weld joint thereof excellent in corrosion resistance to hydrochloric acid and sulfuric acid
The present invention provides a low alloy steel and a weld joint thereof excellent in hydrochloric acid corrosion resistance and sulfuric acid corrosion resistance, said low alloy steel...
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7718843 |
Iron powder for organic chlorinated compound decomposition and detoxifying treatment method using the same
An iron powder for decomposition of organic chlorinated compounds, comprising from 0.03 to 0.5% by weight of Ni and from 0.005 to 5% by weight of carbon, wherein particles having a particle size of...
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7604860 |
High tensile nonmagnetic stainless steel wire for overhead electric conductor, low loss overhead electric conductor using the wire, and method of manufacturing the wire and overhead electric conductor
Provided are the high tensile nonmagnetic stainless steel wire for an low loss overhead electric conductor, the low loss overhead electric conductor using the high tensile nonmagnetic stainless...
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7597841 |
Weld metal excellent in toughness and SR cracking resistance
Provided is a weld metal for Cr—Mo steels which is suppressed in the formation of ferrite bands and therefore has heightened toughness and tensile strength and at the same time, good SR cracking r...
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7582171 |
High-strength, soft-magnetic iron-cobalt-vanadium alloy
A high-strength, soft-magnetic iron-cobalt-vanadium alloy selection is proposed, consisting of 35.0≦Co≦55.0% by weight, 0.75≦V≦2.5% by weight, O≦Ta+2×Nb≦0.8% by weight, 0.3
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7572407 |
Martensitic stainless steel sheet and method for making the same
A martensitic stainless steel sheet having superior corrosion resistance, toughness at the weld zones, and workability. The composition of the steel sheet is, on a mass basis: less than about 0.02%...
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7361411 |
Hardfacing alloy, methods, and products
Disclosed is a hardfacing alloy capable of withstanding service abrasion of the order of silicious earth particles and weldable on industrial products, such as tool joints and stabilizers used in...
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7267757 |
Magnetic head utilizing a CoNiFe alloy with 60-80 weight percent Fe and method for production therefor
At least one of lower and upper magnetic cores is composed of magnetic films each of which contains two or more elements of Co, Ni, and Fe, which are formed by electroplating in a plating bath with...
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6938324 |
Method of manufacturing a stator core
A motor stator core for achieving improved magnetizing feature in lower magnetic fields and reduced iron loss, and improving motor power. The stator core fabriated out of non-oriented electrical...
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6893727 |
Metal gasket and a material for its manufacture and a method for their manufacture
This invention relates to a stainless steel gasket having markedly improved strength and fatigue properties due to precipitation strengthening. Its composition comprises C: at most 0.03%, Si: at...
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6824672 |
Use of austenitic stainless steels in applications requiring anti-coking properties
An austenitic stainless steel with a composition comprising: at most 0.15% of C;2% to 10% of Mn;at most 2% of Ni;at most 4% of Cu;0.1% to 0.4% of N;10% to 20% of Cr;at most 1% of Si;at most 3% of...
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6783610 |
Railway wheel alloy
A steel alloy, particularly adapted for the manufacture of railway wheels is provided. Such alloy comprises essentially, in weight percentage, carbon 0.67-0.77, manganese 0.70-0.85, silicon...
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6743304 |
Non-oriented electrical steel sheet with ultra-high magnetic flux density and production method thereof
The present invention provides a non-oriented electrical steel sheet having ultra-high magnetic flux density and low core loss, characterized by: comprising a steel containing, in terms of wt %,...
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6737018 |
Corrosion-resistant chromium steel for architectural and civil engineering structural elements
A corrosion-resistant chromium steel for architectural and civil engineering structural elements, includes 0.0015 to 0.02 mass percent C, 0.0015 to 0.02 mass percent N, 0.1 to 1.0 mass percent Si,...
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6702981 |
Low-carbon, low-chromium carburizing high speed steels
High speed steel (HSS) compositions having less C and Cr contents than standard grades of HSS to permit carburization using conventional techniques. The alloys contain less than 0.40 wt. % C and...
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6652991 |
Ductile NiAl intermetallic compositions
The addition of small amounts of CeO2 and Cr to intermetallic compositions of NiAl and FeAl improves ductility, thermal stability, thermal shock resistance, and resistance to oxidation,...
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6540848 |
High strength, high toughness, seamless steel pipe for line pipe
A high-strength, high-toughness seamless steel pipe used for a line pipe contains 0.03 to 0.06% of C, 0.05 to 0.15% of Si, 1.6 to 2.0% of Mn, 0.010 to 0.10% of Al, 0.3 to 0.7% of Ni, 0.10 to 0.40%...
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6440579 |
Process for producing a drawn wire made of stainless steel, in particular a wire for reinforcing tires, and wire obtained by the process
Process for producing a drawn wire, in particular a wire for reinforcing tires, having a diameter of less than 0.3 mm by drawing a base wire rod having a diameter of greater than 5 mm or a predrawn...
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6436340 |
Weatherable steel material
Steel is obtained which comprises by wt %, C: 0.001-0.025%, Si: not more than 0.60%, Mn: 0.10-3.00%, P: 0.005-0.030%, S: not more than 0.01%, Al: not more than 0.10%, Cu: 0.1-1.5%, Ni: 0.1-6.0%, B:...
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6428633 |
Steel for welded structures and welding wire
In order to conduct welding so that the welded steel shows a decreased residual stress after welding without a post treatment such as a PWHT, the steel for welded structures and the welding wire of...
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6375763 |
Pearlitic steel railroad rail
A pearlitic steel railroad rail which comprises 0.75 to 0.84% C, 0.10 to 1.0% Si, 0.4 to 2.5% Mn, 0.035% or less P, 0.035% or less S, and 0.05 to 0.6% Nb, by weight. This rail has better wear...
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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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6245290 |
High-tensile-strength steel and method of manufacturing the same
A high-tensile-strength steel having excellent toughness throughout its thickness, excellent properties at welded joints, and a tensile strength (TS) of at least about 900 MPa (130 ksi), and a...
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6228183 |
Ultra-high strength, weldable, boron-containing steels with superior toughness
An ultra-high strength boron-containing steel having a tensile strength of at least about 900 MPa (130 ksi), a toughness as measured by Charpy V-notch impact test at -40° C. (-40° F.) of at least a...
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6221183 |
High-strength and low-thermal-expansion alloy, wire of the alloy and method of manufacturing the alloy wire
A high-strength low-thermal-expansion alloy consisting of, by weight, 0.06 to 0.50% C, 25 to 65% in total of one or both of 65% or less Co and less than 30% Ni, and balance of Fe as a main...
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6203631 |
Pipeline distribution network systems for transportation of liquefied natural gas
Pipeline distribution network systems arc provided for transporting pressurized liquefied natural gas at a pressure of about 1035 kPa (150 psia) to about 7590 kPa (1100 psia) and at a temperature...
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6183573 |
High-toughness, high-tensile-strength steel and method of manufacturing the same
High-tensile-strength steel having excellent arrestability and a TS of not less than 900 MPa, as well as a method of manufacturing the same. The steel of the invention has the following composition...
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6110301 |
Low alloy build up material
A low alloy steel for use in building up industrial components subjected to service conditions requiring good impact toughness, resistance to tempering, and resistance to temper embrittlement, for...
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6047747 |
System for vehicular, land-based distribution of liquefied natural gas
Systems are provided for vehicular, land-based distribution of pressurized liquefied natural gas at a pressure of about 1035 kPa (150 psia) to about 7590 kPa (1100 psia) and at a temperature of...
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5951944 |
Lowly decarburizable spring steel
A lowly decarburizable spring steel comprises, on a weight basis, 0.51 to 0.70% of C, 0.15 to 2.50% of Si, 0.40 to 1.20% of Mn, 0.005 to 0.100% of Al, 0.005 to 0.050% of S, at least one of 0.05 to...
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5944917 |
Stainless steel for ozone added water and manufacturing method thereof
A stainless steel having excellent corrosion resistance to ozone added water, such as ozone added ultrapure water used in semiconductor manufacturing processes and the like, as well as a...
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5858125 |
Magnetoresistive materials
A magnetoresistive material of the present invention has a structure in which many clusters are surrounded by a crystal phase of Cu and/or Ag, where each cluster has a grain size of 20 nm or less...
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5798004 |
Weldable high strength steel having excellent low temperature toughness
This invention adds elements such as Cu, B, Cr, Ca, V, etc., to a low carbon-high Mn--Ni--Mo-trace Ti type steel, and allows the steel to have a tempered martensite/bainite mixed structure...
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5755895 |
High strength line pipe steel having low yield ratio and excellent in low temperature toughness
An ultra-high strength low yield ratio line pipe steel has an excellent HAZ toughness and field weldability and has a tensile strength of at least 950 MPa (exceeding X100 of the API standard). The...
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5266417 |
Low-temperature service nickel plate with excellent weld toughness
There is provided a low-temperature service nickel steel plate with excellent weld toughness. This steel plate consists essentially of not less than 0.03% of C, 0.02 to 0.22% of Si, 0.05 to 0.47%...
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5252148 |
Soft magnetic alloy, method for making, magnetic core, magnetic shield and compressed powder core using the same
A soft magnetic alloy having a composition of general formula: (Fe1-a Nia)100-x-y-z-p-q Cux Siy Bz Crp M1q (I)wherein M1 is V or Mn or a mixture of V and Mn, 0≤a≤0.5, 0.1≤x≤5, 6≤y≤20, 6≤z≤20, 15≤...
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5211772 |
Wire 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...
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5047082 |
Method for smelting reduction of Ni ore
A method for smelting reduction of Ni ore comprises charging Ni ore and carbonaceous material into a converter type smelting reduction furnace having bottom-blow tuyeres and a top-blow lance, the...
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4999158 |
Oxidation resistant iron base alloy compositions
This invention relates to iron-base alloy compositions, nickel containing austenitic ferrous alloy compositions (especially low nickel compositions) and dopants added to low nickel austenitic...
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4954171 |
Composite alloy steel powder and sintered alloy steel
Provided herein are high-strength high-toughness sintered alloy steel and composite alloy steel powder useful for the production thereof. The sintered alloy steel contains, as the alloy components...
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4946519 |
Semi-processed non-oriented electromagnetic steel strip having low core loss and high magnetic permeability, and method of making
A semi-processed non-oriented electromagnetic steel strip having low core loss and high magnetic permeability is provided which consists essentially of, in % by weight, up to 0.02% of C, 0.2 to...
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4915901 |
Reinforcing steel having resistance to salt and capable of preventing deterioration of concrete
A high-purity reinforcing steel resistant to salt and capable of preventing deterioration of concrete substantially completely over a long period when the salt content of the concrete is not...
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4909843 |
Highly 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...
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4906522 |
Compounds of nickel, iron and phosphorus
Compositions of nickel, iron and phosphorus, are prepared by fusing nickel and ferrophosphorus in an inert atmosphere, with the nickel preferably comprising from about 5% to about 70% by weight of...
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4842657 |
Amorphous alloys containing iron group elements and zirconium and particles made of said alloys
Amorphous alloys containing zirconium as an amorphus forming metal and having the formula Xα Zγ wherein X is at least one of Fe, Co and Ni, α is 80 to 92 atomic %, Z is zirconium, γ is 8 to 20 ato...
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4842816 |
High toughness steel
A steel composition particularly suitable for the manufacture of electric resistance welded pipes for use in most hostile environments and able to display excellent sour resistance and high...
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