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WO/2014/126012A1 |
Provided is a method for producing martensitic steel which imparts ductility thereto while maintaining the excellent strength properties thereof, or in other words, which balances ductility and strength. This method for producing martens...
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WO/2014/104138A1 |
The present invention relates to an Fe-Ni-based alloy which has a composition containing, in mass%, 0.005%-0.10% of C, 0.01%-0.10% of Si, 0.015% or less of P, 0.003% or less of S, 23.0%-27.0% of Ni, 12.0%-16.0% of Cr, 0.01% or less of Mo...
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WO/2014/098521A1 |
The present invention relates to a stainless steel pipe with excellent erosion resistance, which can improve erosion resistance in the inner area of the pipe while maintaining low-temperature toughness, and a manufacturing method thereof...
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WO/2014/095082A1 |
The invention relates to a method for heat-treating a manganese steel product, the alloy of which comprises a carbon content (C) between 0.09 and 0.15% w/w and a manganese content (Mn) in the range of 3.5% w/w ≤ Mn ≤ 4.9% w/w, wherei...
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WO/2014/092129A1 |
This thick steel sheet contains prescribed steel components, the Di value composed of the steel components is 2.5 or greater, the residual austenite phase (residual (γ)) remaining at -196°C is 2.0 to 12.0% by volume fraction, and the r...
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WO/2014/089418A1 |
A precipitation hardenable, martensitic stainless steel alloy is disclosed. The alloy has the following composition in weight percent, about C 0.03 max Mn 1.0 max Si 0.75 max P 0.040 max s 0.020 max Cr 10 - 13 Ni 10.5 - 11.6 Mo 0.25 - 1....
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WO/2014/073415A1 |
Provided is a steel member which is obtained using a thick steel plate and in which the inner zone (thicknesswise central zone) of the steel material exhibits high strength and high toughness even in a case where the steel member has und...
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WO/2014/066570A1 |
A quench and temper steel alloy is disclosed having the following composition in weight percent. C 0.2-0.5 Mn 0.1-1.0 Si 0.1-1.2 Cr 9-14.5 Ni 3.0-5.5 Mo 1-2 Cu 0-1.0 Co 1-4 W 0.2 max. V 0.1-1.0 Ti up to 0.5 Nb 0-0.5 Ta 0-0.5 Al 0-0.25 Ce...
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WO/2014/063191A1 |
The invention relates to alloys with inverse microstructures, to the production of such materials and to their uses in thermal storage applications. In a preferred form the invention relates to a thermal storage material comprising a den...
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WO/2014/056726A1 |
A bearing steel alloy comprising: from 0.8 to 1.2 wt% carbon, from 0.3 to 0.9 wt% silicon, from 0.7 to 1.3 wt% manganese, from 0.3 to 0.8 wt% molybdenum, from 2 to 2.6 wt% chromium, from 0.15 to 0.55 wt% vanadium, optionally one or more ...
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WO/2014/053385A1 |
A steel alloy comprising: from 0.6 to 1.2 wt% carbon from 0.1 to 0.8 wt% manganese from 0.5 to 2.5 wt% chromium from 2.5 to 3.5 wt% vanadium optionally one or more of from 0 to 1.0 wt% silicon from 0 to 2 wt% molybdenum from 0 to 0.5 wt%...
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WO/2014/050698A1 |
Provided are a precipitation hardening type martensitic steel which combines a tensile strength in the 1500-MPa class with a Charpy absorption energy as high as 30 J or above and a process for producing the martensitic steel. The precipi...
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WO/2014/038705A1 |
An ultrafine crystal alloy ribbon having a structure expressed by the general formula Fe100-x-y-zAxByXz (A is Cu and/or Au; X is at least one element selected from Si, S, C, P, Al, Ge, Ga, and Be; and x, y, and z are each atomic percenta...
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WO/2014/034150A1 |
The present invention provides a carburized component that is manufactured by vacuum carburization and demonstrates exceptional bending fatigue strength in an edge section and a flat section. This carburized component is manufactured by ...
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WO/2014/030606A1 |
This method for setting aging conditions is provided with: a step for acquiring a master curve (20) indicating the relationship between an aging condition parameter and a material strength parameter by executing an aging process on a sta...
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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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