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WO/2014/028053A2 |
A steel article with resistance to contact fatigue having a martensitic stainless steel body with a hardened surface layer and a core. The hardened surface layer is tempered martensite and M7C3 carbides, has at least 1.6 wt.% carbon, and...
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WO/2014/016421A1 |
The invention relates to a cold-rolled flat steel product with the characteristics Rm ≥ 1400 MPa and A80 ≥ 5%, and to a process for producing such a flat steel product. The flat steel product according to the invention contains, in a...
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WO/2014/008564A1 |
The present invention provides special steels and processes for obtaining improved mechanical properties, including ultimate tensile strength, yield point, elastic strain strength and hardness. The invention is particularly of use in the...
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WO/2013/192282A1 |
A method for forming and treating a steel article of a high strength and high ductility alloy particularly suited for use as armor plate. The method includes the steps of providing a starting material for the steel article, heating the s...
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WO/2013/182622A1 |
The invention relates to a steel and a sheet steel product produced therefrom, which have optimized mechanical properties and can be produced inexpensively without recourse having to be made to expensive alloying elements which are subje...
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WO/2013/182621A1 |
The invention relates to a steel and a sheet steel product produced therefrom, which have optimized mechanical properties and can be produced inexpensively without recourse having to be made to expensive alloying elements which are subje...
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WO/2013/174655A1 |
The invention relates to a method for producing a component composite for a motor vehicle body, having at least one shaped sheet metal part (20), which is made of a high-strength sheet steel material and provided with a metal anti-corros...
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WO/2013/171231A1 |
The invention relates to a high strength steel with a increased E-modulus and to a method for producing said steel wherein the steel comprises in wt.% : - 0.002 ≤ C < 0.24 - 0.050 ≤ Mn < 1.5 - 0.5 ≤ B < 4.0 - 2.0 ≤Cr < 20 - 0 ≤...
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WO/2013/167628A1 |
The invention relates to a method that has been developed to obtain good toughness and homogeneous properties through heavy sections in tool steels or likely highly alloyed steels. The microstructure attained is mostly bainitic. The meth...
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WO/2013/149657A1 |
The present invention relates to a steel alloy having a composition comprising: from 0.6 to 1.0 wt% carbon from 0.5 to 2.0 wt% silicon from 1.0 to 4.0 wt% chromium optionally one or more of from 0 to 0.25 wt% manganese from 0 to 0.3 wt% ...
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WO/2013/146214A1 |
Provided are: a steel for a spring, which has tensile strength of 1800 MPa or more and therefore has high strength and also has high ductility; a method for producing the steel; and a spring. A steel for a spring, which has a total compo...
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WO/2013/146124A1 |
The problem addressed by the present invention is to achieve a bearing steel material for obtaining a bearing component having further increased rolling fatigue life. The bearing steel material satisfies a predetermined elemental composi...
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WO/2013/146959A1 |
The purpose of the invention is to provide a motor rotor support suitable for use in axial gap motors and a manufacturing method therefor. A support, which supports a magnetic body that is disposed in the rotor of a motor. The support is...
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WO/2013/146960A1 |
The present invention is characterized in providing a motor rotor support suitable for use in axial gap motors and a manufacturing method therefor. A support, which supports a magnetic body that is disposed in the rotor of a motor. The s...
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WO/2013/135868A1 |
The invention relates to a connecting element for low-temperature applications and to a compressor for low-temperature operation. It is proposed according to the invention that the connecting element is composed of a steel which is alloy...
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WO/2013/124283A1 |
The invention relates to an inexpensive method for producing high-strength molded parts from austenitic cast steel with a carbon content of 0.4 to 1.2%, a manganese content of 12 to 25%, a phosphorus content of 0.01 to 1.5%, a silicon co...
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WO/2013/120146A1 |
A process for producing an iron based specialty alloy intermediate product, which method comprises: (a) forming a melt of desired alloy composition; and (b) casting the melt under solidification conditions to produce an iron based specia...
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WO/2013/119334A1 |
The present disclosure is directed and formulations and methods to provide non-stainless steel alloys having relative high strength and ductility. The alloys may be provided in sheet or pressed form and characterized by their particular ...
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WO/2013/117953A1 |
Process for making a steel part, characterized in that: - a half-product is prepared, having the following composition: * 0.30% < C ≤ 0.46%; * 1 % ≤ Mn ≤ 2%; * 1 % ≤ Cr ≤ 1.5%; * 2.3% ≤ Mn + Cr ≤ 3% * traces ≤ Si ≤ 1.5%...
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WO/2013/110798A1 |
This invention relates to a wrought steel for producing parts for railway, railway crossings or railway switches comprising (in weight percent): -0.01 - 0.15 % carbon; -at most 0.5 % silicon; -10 – 15 % manganese; -at least 0.6 to 3.95...
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WO/2013/107730A1 |
The present invention relates to a largely nickel-free iron alloy and/or a nickel-free stainless steel having the following composition: 4.0-16.5 wt% chromium, 0.0-12.0 wt% manganese, 3.0-4.0 wt% molybdenum, 0.55-0.70 wt% nitrogen, 0.10-...
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WO/2013/107922A1 |
A steel product, such as a strip, plate, sheet, bar or wire, manufactured from austenitic stainless steel. A steel product, wherein: a - the average grain size of the recrystallized austenitic structure of said product is at most 6 μιÏ...
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WO/2013/104789A1 |
The present invention relates firstly to a method for producing a helical knife (1), wherein the knife (1) is produced from hardenable steel and has a cutting leg (10) which has both a base surface (11) at a lower end and a cutting surfa...
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WO/2013/101574A1 |
A steel form having a stainless steel exterior; the steel form includes a core region that comprises at least 55 wt.% iron which is metallurgical^ bonded to a stainless steel coating that consists of a stainless steel region and a bondin...
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WO/2013/101692A1 |
A process for heat treating a component formed of an alloy. The process includes manipulating uniaxial strain test data of the alloy using a triaxiality factor to determine an equivalent multiaxial stress state. Conditions are then appli...
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WO/2013/087939A1 |
Process for manufacturing a strip made of soft magnetic alloy capable of being cut mechanically, the chemical composition of which comprises, by weight: 18% ≤ Co ≤ 55%; 0% ≤ V + W ≤ 3%; 0% ≤ Cr ≤ 3%; 0% ≤ Si ≤ 3%; 0% ≤ ...
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WO/2013/087997A1 |
The invention relates to a method for producing a strip of soft magnetic alloy which can be cut mechanically, the chemical composition of which comprises, by weight: 18% ≤ Co ≤ 55%; 0% ≤ V + W ≤ 3%; 0% ≤ Cr ≤ 3%; 0% ≤ Si â‰...
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WO/2013/079238A1 |
The invention relates to a casing (110) for a laser spark plug (100), particularly for an internal combustion engine of a motor vehicle or a stationary motor, wherein the casing (110) has at least two casing parts (110a, 110b; 110c, 110d...
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WO/2013/081451A1 |
The invention provides for a heat treatment process in a manufacturing method for a metal ring (14) for use in a drive belt (1), wherein the ring (14) is processed in two steps. In the first step the ring (14) is kept for more than 3 hou...
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WO/2013/079239A1 |
The invention relates to a casing (110) for a laser spark plug (100), particularly for an internal combustion engine of a motor vehicle or a stationary motor, wherein the casing (110) has at least one casing part (110a) and one combustio...
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WO/2013/064202A1 |
The invention relates to a method of manufacturing a duplex steel sheet having a microstructure comprising 10 - 50 vol.% ferrite in an austenite matrix, and having a steel composition, in wt.%, Mn: 5-30% Al: 3-12% C: 0.3-1.0% inevitable ...
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WO/2013/051380A1 |
A method for cutting a thin strip of an alloy that contains initial ultrafine crystals and has a structure in which ultrafine crystal grains having an average grain diameter of 30 nm or smaller have been dispersed in an amorphous matrix ...
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WO/2013/051729A1 |
The present invention is an Fe-based initial-ultra-fine-crystal-alloy ribbon having: a composition represented by general formula Fe100-x-y-z-a-bNixCuyNbzSiaBb (x, y, z, a, b satisfy the conditions 4≤x≤6, 0.1≤y≤2, 0.1≤z≤4, 7â...
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WO/2013/048587A2 |
An air hardenable steel alloy is disclosed comprising, in percent by weight: 0.18 to 0.26 carbon; 3.50 to 4.00 nickel; 1.60 to 2.00 chromium; 0 to 0.50 molybdenum; 0.80 to 1.20 manganese; 0.25 to 0.45 silicon; 0 to less than 0.005 titani...
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WO/2013/045655A1 |
This process comprises steps of: - providing a stainless steel preform, - shaping the preform, - finishing the preform in order to form the stainless steel part (21, 27), the finishing step making it possible to prevent the appearance of...
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WO/2013/045661A1 |
This process comprises steps of: - providing a tubular preform made of austenitic stainless steel with a carbon content of less than or equal to 0.03% by weight, - shaping the preform, - finishing the preform in order to form the claddin...
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WO/2013/038008A1 |
The invention relates to a method for producing a higher-strength, non-grain-oriented electrical strip, according to which a slab is cast from a molten mass, the slab is hot-rolled and then cold-rolled - optionally a hot-strip annealing ...
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WO/2013/034815A1 |
The invention relates to a rolled-steel sheet or blank, the composition of which includes, the contents being expressed in wt %: C ≤ 0.1%, 0.5% ≤ Mn ≤ 7%, 0.5% ≤ Si ≤ 3.5%, 0.5% < Ti ≤ 2%, 2% < Ni ≤ 7%, Al ≤ 0.10%, Cr ≤...
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WO/2013/035588A1 |
Provided is a two-phase stainless steel which has high strength, also has excellent SCC resistance and SSC resistance in a high-temperature chloride environment, and does not undergo the precipitation of a sigma phase. A two-phase stainl...
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WO/2013/027665A1 |
Disclosed are a semi-hard magnetic material and a theft-prevention magnetic sensor using the same and a method of manufacturing a semi-hard magnetic material, of the resource-saving type, in which the coercive force and the residual magn...
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WO/2013/007212A1 |
The present invention provides an La(Fe,Si)13-based magnetic refrigerant prepared from industrially pure mixed rare-earth. The industrially pure mixed rare-earth is an intermediate product of rare-earth purification, a mixed rare-earth o...
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WO/2013/008756A1 |
Provided is an alloy for an R-T-B-based rare earth sintered magnet. The alloy makes it possible without enhancing the Dy content of the alloy to produce an R-T-B-based rare earth sintered magnet having a high coercive force. The alloy is...
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WO/2012/176802A1 |
Provided is austenitic stainless steel having high-temperature strength and excellent nitric acid corrosion resistance. The austenitic stainless steel of this embodiment contains, by mass%, C: 0.050% or less, Si: 0.01-1.00%, Mn: 1.75-2.5...
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WO/2012/167854A1 |
The invention relates to a steam generator component or a power plant component made of a solid alloyed material, which contains chromium and has an austenitic, ferritic, or martensitic microstructure or is a nickel-based alloy and which...
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WO/2012/153013A1 |
The invention relates to a method for the production of a martensitic steel sheet having a yield point greater than 1300 MPa. The method comprises the following steps consisting in: supplying a semi-finished steel product having a compos...
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WO/2012/153009A1 |
The invention relates to a method for the production of a martensitic steel sheet having a yield point greater than 1300 MPa and mechanical strength greater than (3220(C)+958) megapascals, (C) denoting the carbon weight content of the st...
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WO/2012/143610A1 |
The invention relates to a method for manufacturing a ferritic-austenitic stainless steel having good formability, good weldability and high elongation. The stainless steel containing the sum of carbon and nitrogen C+N in the range 0,17 ...
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WO/2012/136897A1 |
The invention relates to a method for producing a steel product, such as a steel plate, having a thickness of 2-60 mm, from a steel billet, which is produced from steel comprising iron and residue contents as well as unavoidable impuriti...
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WO/2012/130434A2 |
The invention relates to a method of heat treating a coated metal strip (10) comprising the step of heat treating the coated metal strip (10) using heat treatment conditions which differ over de width of the coated metal strip (10), ther...
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WO/2012/130552A1 |
The invention relates to the production of a hardened, coated metal component, comprising the following steps: a. performing a heat treatment of the metal component for accumulating carbon and/or nitrogen in the edge layer of the metal c...
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