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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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WO/2012/124387A1 |
This magnetic material has a magnetic powder and an amorphous metal as starting materials. The magnetic powder is a neodymium-iron-boron magnetic powder, and the amorphous metal contains a rare earth element, iron and boron. In the amorp...
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WO/2012/121630A1 |
This invention relates in general to the field of forged rolls and to production of forged rolls. More particularly the present invention relates to forged rolls for use in the cold rolling industry. The present invention relates to a fo...
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WO/2012/119925A1 |
A low-chromium hot-work tool steel consisting of (in wt-%): C 0.08–0.40 N 0.015–0.30 C +N 0.30–0.50 Cr 1–4 Mo 1.5–3 V 0.8-1.3 Mn 0.5–2 Si 0.1–0.5 optionally Ni <3 Co ≤5 B < 0.01 Fe balance apart from impurities, and A pro...
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WO/2012/115025A1 |
A manufacturing method for a cold-working die in which steel ingots of a cold-work tool steel are hot worked and made into a base material, the base material is quenched and tempered to a hardness of 58-62 HRC, and then machined into a d...
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WO/2012/115240A1 |
This forged steel material for nuclear power generation devices meets a specified chemical component composition, wherein the crystal grain size of a metallic structure is 4.5-7.0 in terms of the grain size number as determined in accord...
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WO/2012/111537A1 |
Provided is a duplex stainless steel in which σ-phase precipitation can be suppressed during high heat input welding, and having high strength and excellent SCC resistance under a high-temperature chloride environment. A duplex stainles...
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WO/2012/111536A1 |
Provided is a duplex stainless steel having high strength and high toughness. This stainless steel has a chemical composition containing, in mass%, 0.030% or less of C, 0.20-1.00% of Si, 8.00% or less of Mn, 0.040% or less of P, 0.0100% ...
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WO/2012/095532A1 |
A tool steel family with outstanding thermal diffusivity, hardness and wear resistance has been developed, also exhibiting good hardenability. Also its mechanical strength, as well as its yield strength, at ambient and high temperature (...
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WO/2012/090562A1 |
Provided are: a die steel which, in addition to satisfying the basic characteristics of die steel, also combines superior rust resistance and superior thermal conductivity; and a method for producing the same. Steel having a composition ...
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WO/2012/089696A1 |
The invention related to a process to manufacture grain-oriented electrical steel (GOES) strip is provided wherein a molten silicon-alloyed steel is continuously cast in a strand having a thickness in the range of from 50 to 100 mm and s...
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WO/2012/085089A1 |
The invention relates to a method of producing a nano twinned commercially pure titanium material comprising the steps of: - casting a commercially pure titanium material that apart from titanium contains not more than 0.05 wt% N, not mo...
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WO/2012/081229A1 |
A production process comprising heating a material to be treated to a temperature higher than an Ac1 transformation point in a carburizing atmosphere, then slowly cooling the material to a temperature (T) that fulfills formula (1) at a c...
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WO/2012/077150A2 |
The subject of the present invention is a process for the production of an austenitic steel with high mechanical resistance and formability. The proposed steel has the following chemical composition in percentage by weight: C 0.2-1.5; Mn...
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WO/2012/077705A1 |
A gas-carburizing steel material which is to be used in producing a carburized steel component, wherein the base metal has a composition that contains, by mass, 0.1 to 0.4% of C, more than 1.2 to 4.0% of Si, 0.2 to 3.0% of Mn, 0.5 to 5.0...
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WO/2012/077072A1 |
A heat treatment method for pieces of stainless steel made with rapid prototyping techniques and the like having a crystal lattice having a mainly or completely austenitic structure, at room temperature, at the end of the rapid prototypi...
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WO/2012/069329A1 |
The invention relates to the field of materials science and concerns a method for heat-treating high-strength iron alloys. Moulded bodies made of such iron alloys can be used as cutting, stamping and shaping tools. The aim of the inventi...
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WO/2012/058404A1 |
A secondary hardening steel alloy substantially lacking Cobalt is disclosed. In spite of the substantial lack of Cobalt, a steel alloy of the present disclosure has a low Stage II crack growth, and a high fracture toughness. Applications...
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WO/2012/045595A1 |
The invention provides a multi-phase steel and a flat product which is produced from a steel of this type with an optimized combination of high strength and satisfactory deformability. To this end, the multi-phase steel according to the ...
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WO/2012/045613A1 |
In order to produce a cold flat product with TRIP properties and increased strength with a high elongation at break at the same time, according to the invention a preliminary product is cast from a multi-phase steel which, in addition to...
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WO/2012/043228A1 |
Provided are: a high-hardness pre-hardened cold-rolled tool steel for surface PVD, wherein problems of softening and deformation due to thermal processing during when subjected to surface PVD are improved; a method for producing the high...
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WO/2012/035884A1 |
This bearing steel, which can exert favorable cold working properties during cold working that is conducted after globularizing annealing, and which can also secure favorable rolling fatigue characteristics and abrasion resistance as a b...
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WO/2012/035240A1 |
The present invention relates to a process for manufacturing a martensitic stainless steel, comprising the following steps: (1) the steel is heated to a temperature above the austenization temperature TAUS of the steel; next, the steel i...
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WO/2012/035900A1 |
[Problem] To provide a means which ensures a nitrogen compound layer to remain uniformly even on an object having a complex shape such as a gear tooth surface (e.g., a mechanical structural part) and also ensures the formation of a fine ...
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WO/2012/029212A1 |
The present invention has a component composition which comprises 0.56 to 0.70 mass% of C, 0.15 mass% or more but less than 0.50 mass% of Si, 0.60 to 1.50 mass% of Mn, 0.50 to 1.10 mass% of Cr, 0.05 to 0.5 mass% of Mo, 0.025 mass% or les...
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WO/2012/021090A1 |
The invention relates to the field of thermal processing of articles consisting of steel and alloys on the basis of iron with a carbon content of up to 4.3% by mass. In order to reduce the duration of the technological processes used for...
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WO/2012/014541A1 |
The present invention addresses the problem of providing a free-cutting stainless-steel cast product which can satisfy all of excellent cuttability, environmental preservation, and corrosion resistance and a process for producing the cas...
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WO/2012/008416A1 |
Disclosed is a treatment device equipped with: a diffusion part (10) which rotates while heating an R-T-B sintered magnet (1) and an RH diffusion source (2) comprising the metal or an alloy of a heavy rare-earth element (RH) (at least Dy...
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WO/2012/002208A1 |
Disclosed is a high-strength stainless steel which keeps the tensile strength and ductility at such levels that can be achieved by conventional high-strength stainless steels and which has improved 0.2% strength. Specifically disclosed i...
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WO/2012/000638A1 |
A hardenable chromium-nickel steel, comprising 0.005 to 0.12% carbon, 9 to 17% chromium, 5 to 12% nickel, at most 3% cobalt, 0.5 to 4% molybdenum, 0.25 to 1.0% silicon, 0.5% to 3.0% manganese, 1 to 3% titanium, 0.25 to 1% vanadium, 0.05 ...
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WO/2012/002531A1 |
Disclosed are: an alloy cast slab for a rare earth sintered magnet, which has high rare earth component yield between before and after pulverization, while having uniform particle size after pulverization; and a method which is capable o...
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WO/2011/162713A1 |
The present invention relates to a metal base alloy and to methods for producing the alloy. The metal base alloy product consists of the formula Mebase Ta Sib Crc Mnj Ve Cf, wherein - Mebase is a metal base selected from the group consis...
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WO/2011/154515A1 |
This invention relates to a method for producing a tempered martensitic heat resistant steel for high temperature applications at an application temperature of up to 650°C and to a steel produced by the said method as well as to the use...
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WO/2011/154153A1 |
This invention relates to a method of producing an austenitic steel sheet excellent in resistance to delayed cracking and a steel produced thereby.
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WO/2011/152206A1 |
Disclosed is a steel material for quenching in which the hardness (R) at a distance of 5 mm from a quenched end, as measured by the Jominy end-quench test specified in JIS G 0561, and the calculated hardness (H) at a distance of 4.763 mm...
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WO/2011/145674A1 |
R-T-B permanent magnetic powder is manufactured by the HDDR process, said magnetic powder having an average crystal grain size of 0.1 μm to 1 μm and an aspect ratio (major axis/minor axis) for the crystal grains of not more than 2 (Ste...
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