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WO/2011/145612A1 |
Disclosed is an age-hardenable steel which contains 0.025-0.25% C, 0.05-0.50% Si, 0.50-2.5% Mn, up to 0.05% P, up to 0.10% S, 0.05-2.5% Cr, up to 0.06% Al, 0.005-0.20% Ti, 0.10-0.60% V, and up to 0.020% N, with the remainder comprising F...
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WO/2011/142423A1 |
Provided is a method for manufacturing a raw material (A) for a rotary machine part, by performing at least a solution treatment on a raw material comprising two-phase stainless steel. In the solution treatment, the raw material is heate...
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WO/2011/135897A1 |
Provided are a free-cutting stainless-steel material for precision processing which can satisfy all of excellent cutting precision, cuttability, corrosion resistance, and environmental preservation at the same time and a process for prod...
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WO/2011/124851A2 |
Mechanical part made of steel having high properties and process for manufacturing same. Mechanical part made of steel having high properties, characterized in that its composition, in percentages by weight, is: 0.05% ≤ C ≤ 0.25%; 1....
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WO/2011/122638A1 |
Provided is a sintered magnet with outstanding residual flux density and coercivity. The sintered magnet is provided with a group of crystal grains (2) for an R-T-B rare earth magnet having a core (4), and a shell (6) that covers the cor...
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WO/2011/122589A1 |
Disclosed is an initial ultrafine crystal alloy having a composition represented by the general formula Fe100-x-y-zAxByXz. (In the formula, A is Cu and/or Au; X is at least one element selected from Si, S, C, P, Al, Ge, Ga and Be; x, y, ...
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WO/2011/118597A1 |
Disclosed is a high-strength steel plate with excellent warm workability that has a component composition comprising, in mass%, 0.05 to 0.4% C, 0.5 to 3% Si+Al, 0.5 to 3% Mn, no more than 0.15% P (not including 0%), and no more than 0.02...
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WO/2011/115255A1 |
Disclosed is a surface treatment method for a steel material, which comprises: a carbonitriding step wherein a steel material that contains, in weight%, 0.27-0.48% of C, 0.01-2.2% of Si, 0.30-1.0% of Mn, 0.035% or less of P and 0.035% or...
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WO/2011/114178A1 |
A method for the production of hot-rolled steel strip comprising the following steps : - providing a steel slab comprising, in weight percentages : Si : 2.5 to 3.5 %, C : 0.05 to 0.1 %, Mn : 0.05 to 0.1 %, AIs : 0.015 to 0.026 %, N : 0.0...
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WO/2011/114227A2 |
A method for the production of hot-rolled steel strip comprising the following steps : - providing a steel slab comprising, in weight percentages : Si : 2.5 to 3.5%, C : 0.05 to 0.1 %, Mn : 0:05 to 0.1 %, Als : 0.015 to 0.026%, N : 0.005...
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WO/2011/113404A1 |
The invention relates to a method for producing workpieces from an austenitic lightweight steel having material properties that can be adjusted over the wall thickness or strip thickness and having an alloy composition (in weight percent...
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WO/2011/102499A1 |
Provided is an Ni-saving type duplex stainless steel material which exhibits excellent gas desorption characteristics and can substitute for austenitic stainless steel. The duplex stainless steel material is characterized by: containing,...
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WO/2011/102402A1 |
Provided is steel for molds that has excellent cuttability, that particularly allows small-diameter holes to be formed therein, and in which deformation due to processing has been reduced. Also provided is a method for producing the stee...
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WO/2011/096267A1 |
Provided is an amorphous core annealing method wherein the annealing temperature distribution within an ion core is adjusted so that deterioration of the magnetic property, which is caused by unevenness of the annealing temperature withi...
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WO/2011/091983A2 |
The invention relates to a process for the heat treatment of metal strip material providing mechanical properties that differ over the width of the strip, wherein the strip is heated and cooled and optionally over-aged during a continuou...
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WO/2011/093070A1 |
A component composition that includes 0.10 to 0.35 mass% C, 0.01 to 0.50 mass% Si, 0.40 to 1.50 mass% Mn, no more than 0.02 mass% P, no more than 0.03 mass% S, 0.04 to 0.10 mass% Al, 0.5 to 2.5 mass% Cr, 0.0005 to 0.0050 mass% B, 0.003 t...
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WO/2011/055919A2 |
A wire rod having excellent drawability includes, by wt%, 0.8-1.0% C, 0.3-0.7% Mn, 0.2-0.6% Cr and a balance of Fe and inevitable impurities. A method for manufacturing a super-high-strength steel wire includes: a first heat-treatment st...
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WO/2011/049006A1 |
Provided is a steel for induction hardening which rarely suffers from the coarsening of austenite grains even at a high temperature exceeding 1100°C, said high temperature being liable to occur in a protrusion of a steel part when the s...
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WO/2011/046055A1 |
Disclosed are a ferrous shape memory alloy comprising 25 to 42 atomic% of Mn, 12 to 18 atomic% of Al, and 5 to 12 atomic% of Ni, the remainder being iron and unavoidable impurities, and a ferrous shape memory alloy containing 25 to 42 at...
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WO/2011/045513A1 |
The present invention relates to a method for producing a martensitic stainless steel that includes a step in which an ingot of the steel is remelted under a layer of slag, followed by a step in which the ingot is cooled. Before the skin...
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WO/2011/040381A1 |
Disclosed is a low-cost metal substrate which is resistant to high temperature oxidation, has excellent strength, is non-magnetic and is ideal for use for high-temperature superconducting wiring used at liquid nitrogen temperature. Auste...
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WO/2011/036351A1 |
The invention relates to a hot-rolled, or hot-rolled and annealed, metal sheet which is made of ferritic stainless steel manufactured by a method including at least two asymmetrical hot-rolling steps, the steel including, by weight perce...
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WO/2011/036352A1 |
The invention relates to a hot-rolled, or hot-rolled and annealed, metal sheet which is made of ferritic stainless steel manufactured by a method including at least two asymmetrical hot-rolling steps, the steel including, by weight perce...
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WO/2011/037210A1 |
Provided is a cast steel material that, even when cast in large molds, can be made high-strength and high-toughness without going through a manufacturing method that requires rapid quenching, such as by dipping into a liquid. The provide...
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WO/2011/024580A1 |
Disclosed is an alloy composition with the composition formula Fe(100-X-Y-Z)BXPYCuZ, wherein 4 ≦ X ≦ 14 at.%, 0 < Y ≦ 10 at.%, 0.5 ≦ Z ≦ 2 at.%. The alloy composition uses an amorphous phase as the main phase. When the alloy co...
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WO/2011/016275A1 |
Provided is an Fe-based amorphous alloy for use in dust cores and in dust cores having a coil embedded therein, the alloy especially having a low glass transition temperature (Tg), a high reduced vitrification temperature (Tg/Tm), and sa...
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WO/2011/013360A1 |
Disclosed is a means for preventing oxidation of a compound layer by high-frequency hardening, said compound layer having been formed on the surface of a steel material by nitriding. Specifically disclosed is a treatment liquid for formi...
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WO/2011/013361A1 |
Disclosed is a means for preventing oxidation of a compound layer by high-frequency hardening, said compound layer having been formed on the surface of a steel material by nitriding. Specifically disclosed is a treatment liquid for formi...
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WO/2011/001126A1 |
The invention relates to a method for producing martensitic steel that comprises a content of other metals such that the steel can be hardened by an intermetallic compound and carbide precipitation, with Al content of between 0.4% and 3%...
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WO/2011/001124A1 |
The invention relates to a method for producing martensitic steel that comprises a content of other metals such that the steel can be hardened by an intermetallic compound and carbide precipitation, with an Al content of between 0.4% and...
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WO/2010/149561A1 |
The invention relates to a method, by means of which high-strength components protected against corrosive attack can be simply produced. To this end, the method comprises the following steps: a) providing a steel product generated at lea...
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WO/2010/150636A1 |
Disclosed is a heat-resistant component for a chemical processing apparatus, which is formed from a ferritic Cr-steel that contains Cr in an amount of 13-30% by mass (inclusive). The ferritic Cr-steel has a creep rate of 1 × 10-5/h or l...
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WO/2010/146535A2 |
The invention relates to an air hardenable high-hardness steel for armouring applications, such as armour plate for use in light armoured vehicles and body armour, and having a high level of ballistic performance relative to its plate th...
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WO/2010/146999A1 |
Disclosed is a ferritic Cr-steel for a heat-resistant precision component, which contains Cr in an amount of 13-30% by mass (inclusive) and has a thermal expansion coefficient of 15 × 10-6 or less in a temperature range from room temper...
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WO/2010/125841A1 |
Disclosed is a ferritic heat-resistant cast steel which is inexpensive, and which is greatly improved in toughness and thermal fatigue properties at ambient temperature and is therefore improved in reliability. Also disclosed is an exhau...
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WO/2010/119179A2 |
The invention relates to a method for preparing a lining element of a grinding mill from a metallic material, in which method a metal preform is hot worked to a working degree of at least 3, and the hot working is carried out in at least...
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WO2010109850A1 |
Disclosed is a composite magnetic material which is obtained by press molding a metal magnetic powder to which a binder has been added. The binder contains an acrylic resin that has a silyl group as a functional group. The composite magn...
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WO2010110041A1 |
Disclosed is a steel for springs, which has the following overall composition (% by mass): C: 0.5 to 0.6%, Si: 1.0 to 1.8%, Mn: 0.1 to 1.0%, Cr: 0.1 to 1.0%, P: 0.035% or less, and S: 0.035% or less, with the remainder being iron and una...
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WO/2010/106964A1 |
Disclosed is a rare earth permanent magnet wherein HfC particles having an average particle diameter of 5-100 nm are dispersed in an amount of 0.2-3.0 atom% in an R-Fe-B alloy (R represents a rare earth element). By containing the carbid...
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WO/2010/102595A1 |
The invention relates to a method for producing a hot rolled strip from transformation-free ferritic steel, wherein a melt is cast into a preliminary strip and said strip is subsequently rolled into a hot rolled strip. For this purpose, ...
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WO/2010/098256A1 |
A casting steel material which contains, in terms of mass%, 5-10% nickel, 0.5-5% silicon, 0.01-1% manganese, 0.2-2% carbon, and 1-10% chromium, with the remainder being iron and incidental impurities, and has a martensite transformation ...
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WO/2010/084888A1 |
Disclosed is a method for producing a soft magnetic alloy thin strip which has a composition represented by Fe100-x-y-zAxByXz (wherein A represents Cu and/or Au; X represents at least one element selected from among Si, S, C, P, Al, Ge, ...
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WO/2010/082486A1 |
A process for producing a composite magnetic material highly suitable for the production of magnetic elements, e.g., choke coils, that have a reduced size and are usable at a high current, the composite magnetic material having magnetic ...
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WO/2010/082685A1 |
Disclosed is a steel for surface hardening for machine structural use, which contains, in mass%, 0.3-0.6% of C, 0.02-2.0% of Si, 0.35% or more but less than 1.5% of Mn and 0.01-0.5% of Al, while suppressing the B content to less than 0.0...
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WO/2010/074710A2 |
A superaustenitic stainless steel comprises in weight %, 0.15 to 0.9 % C, 0.2 to 1.3 % Si, 0 to 0.45 % Mn, 32.5 to 37.5 % Cr, 13.5 to 17.5 % Ni, 3.2 to 5.5 % Mo, 0 to 2 % Nb, 0 to 0.5 % B, 0 to 2 % Zr and 30 to 51 % Fe. In a preferred em...
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WO/2010/074017A1 |
Disclosed is a tempering method to yield hot work tool steel with high toughness. Disclosed is a method for tempering hot work tool steel made from, by mass %, C: 0.32‑0.45%, Si: 0.01‑0.8% or less, Mn: 0.1‑0.8%, Ni: 0‑0.8% or les...
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WO/2010/066896A1 |
The invention relates to a process for producing a component having improved elongation at break properties, in which a component (6) is firstly produced, preferably in a hot forming or press curing process (4), and the component (6) is ...
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WO/2010/064617A1 |
A carbonitrided member obtained from a base steel material which contains 0.10-0.35% carbon, 0.15-1.0% silicon, 0.30-1.0% manganese, 0.40-2.0% chromium, and up to 0.05% sulfur and optionally further contains up to 0.50% molybdenum, with ...
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WO/2010/054813A1 |
A hot-rolled austenitic manganese steel strip having a chemical composition in percent by weight of 0.4% ≤ C ≤ 1.2%, 12.0% ≤ Mn ≤ 25.0%, P ≥ 0.01% and Al ≤ 0.05% has a product of elongation at break in % and tensile strength ...
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WO/2010/041416A1 |
A thin plate-like evaporation material which can be produced at low cost with high productivity and can be used for the purpose of improving the coercive force of a neodymium iron boron sintered magnet by heating the magnet in a vacuum o...
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