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WO2002001127A9 |
An improved freezer (30) and plant gas system that harnesses the cooling properties of the plant gas evaporator to facilitate energy and cryogen savings, as well as the automation and optimization of a plant thermal processing system. Th...
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WO/2003/076676A2 |
A nanocarbide precipitation strengthened ultrahigh-strength, corrosion resistant, structural steel possesses a combination of strength and corrosion resistance comprising in combination, by weight, about: 0.1 to 0.3% carbon (C), 8 to 17%...
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WO/2003/076100A1 |
A method for manufacturing an ultra-high-tensile sheet method product of steel, at which the initial work piece used is constituted of a metal work piece of iron, alloyed with chromium, nickel and carbon in predetermined proportions. The...
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WO/2003/074742A1 |
The invention relates a method for manufacturing an ultra-high-tensile sheet metal product of steel, at which the initial work piece used is constituted of a metal work piece of iron, alloyed with chromium, nickel and carbon in predeterm...
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WO/2003/070992A1 |
A method of heat treating stainless steel in the form of blanks, piping, tubing, strip or wire like material, such as strip, sheet, wire or rods after rolling said material in a heat treatment furnace at a temperature higher than about 9...
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WO/2003/069004A1 |
The invention concerns a steel material which is powder metallurgy manufactured and has a chemical composition which contains in weight -%: 2.2-3.3 (C + N), however at least 0.3 C and at least 0.06 N, 0.1-2.0 Si, 0.1-2.0 Mn, 19-23 Cr, ma...
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WO/2003/066924A1 |
Martensitic stainless steel whose steel composition is restricted within a specific range for each element is provided. The scale layer formed on the surface of the base material consists of an inner layer scale mainly including FeCr¿2?...
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WO/2003/066925A2 |
A metallic glass alloy ribbon consists essentially of about 70 to 87 atom percent iron. Up to about 20 atom percent of the iron is replaced by cobalt and up to about 3 atom percent of the iron is replaced by nickel, manganese, vanadium, ...
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WO/2003/064069A1 |
The invention relates to a method for producing rolled products from austenitic rust-resistant steels. In a first step, a product to be cast (6) is subjected to a rolling process in a rolling mill (13), and in a second step, said product...
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WO/2003/052156A1 |
A method for refining the grain size of alloys which undergo ferromagnetic to paramagnetic phase transformation and an alloy produced therefrom. By subjecting the alloy to a timed application of a strong magnetic field, the temperature o...
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WO/2003/052153A1 |
Carbon steels of high performance are disclosed that contain a three-phase microstructure consisting of grains of ferrite (11) fused with grains that contain dislocated lath structures in which laths of martensite (13) alternate with thi...
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WO/2003/052490A1 |
The invention relates a spectacle frame comprising parts made of chromium-nickel steel, produced by cold deformation. The aim of the invention is to produce said construction in an economical manner which can be achieved by producing the...
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WO/2003/048401A1 |
A ferritic stainless steel sheet excellent in press formability and workability, characterized in that it contains C, N, Cr, Si, Mn, P, S, Al, Ti and V in respective suitable amounts and Fe and inevitable impurities account for the balan...
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WO/2003/048402A1 |
A ferritic stainless steel having improved high temperature mechanical properties includes greater than 25 weight percent chromium, 0.75 up to 1.5 weight percent molybdenum, up to 0.05 weight percent carbon, and at least one of niobium, ...
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WO2001049888A9 |
The invention relates to a method for austempering steel parts according to which the steel parts are firstly austenitized and are subsequently quenched to a starting temperature (T2) which is higher than the martensite starting temperat...
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WO/2003/038136A1 |
A duplex stainless steel includes less than, in weight percent, 3 percent nickel and 1.5 percent molybdenum. In one embodiment, the duplex stainless steel includes, in weight percent, up to 0.06 percent carbon; 15 to 25 percent chromium;...
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WO/2003/035921A1 |
A martensitic stainless steel provided includes C: 0.01 - 0.1% and Cr: 9 - 15%, and the retained austenite phase has a thickness not more than 100 nm in such a manner that the X-ray integral intensities of 111&ggr and 110&agr satisfy the...
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WO/2003/027343A1 |
Ferritic stainless steel, comprising the following Chemical elements expressed in percentage by weight: - Cr 14.0-20.0 - Al 0.50-1.50 - Zr 0.10-0.50 - Si 0.30-1.50 - Ti 0.10-0.35 - Nb 0.25-0.55- C < 0.035 - N < 0.035 provided that the co...
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WO/2003/027349A2 |
The invention relates to a method for heat-treating work pieces made of a temperature-resistant steel. According to the inventive method, the work piece, once mechanically machined and electrochemically treated, is hardened and depassiva...
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WO/2003/025232A1 |
The invention relates to a method for producing a strip from an iron-nickel alloy for tensioned shadow masks used in flat monitors and display screens, whereby the strip comprised of a chemical composition (in mass %) 35-38 % Ni, 0.4-0.8...
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WO/2003/025240A1 |
The invention concerns a method for making a welded tube, comprising a final drawing or hydroforming step, characterized in that in consists in: preparing an alloy consisting in wt. % of: C $m(F) 2 %; Mn between 10 and 40 % with %Mn > 21...
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WO/2003/020456A1 |
The invention relates to a method for manufacturing an ultra-hig-tensile expanded metal of steel. The initial work piece used and constituted of a metal work piece of iron, which has been alloyed with chromium, nickel and carbon in prede...
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WO/2003/016582A2 |
The invention relates to a method for increasing the dynamic stability under load of a toothed structural component, especially a toothed wheel, which stability depends on the carbon content. The carbon content profile in an edge zone of...
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WO/2003/009088A2 |
A metal frame (10) for electronic hardware and a method of manufacturing such a frame (10) wherein at least a portion of the frame (10) is made of bulk-solidifying amorphous alloys or bulk-solidifying amorphous alloy-composites is provided.
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WO/2003/000944A1 |
A cold work steel has the following chemical composition in weight-%: 1.25 - 1.75 % (C+N), however at least 0.5 % C 0.1 - 1.5 % Si 0.1 - 1.5 % Mn 4.0 - 5.5 % Cr 2.5 - 4.5 % (Mo+W/2), however max. 0.5 % W 3.0 - 4.5 % (V+Nb/2), however max...
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WO/2003/000938A1 |
A method of producing a high Cr−based seamless steel tube excellent in inner−surface quality efficiently and at low costs. Specifically, a method of producing a high Cr−based seamless steel tube, characterized by satisfying the fol...
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WO/2002/092869A1 |
A ferritic stainless steel containing, in mass %, 0.01 to 1 % of C, 1.0 % or less of Si, 1.0 % or less of Mn, 15 to 30 % of Cr, 0.60 % or less of Ni, and 0.5 to 6.0 % of Cu, or a martensitic stainless steel containing, in mass %, 0.01 to...
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WO/2002/088409A1 |
An iron-base alloy which comprises C in an amount of 1.5 to 2.5 wt %, Ni in an amount of 0.25 to 4.75 wt %, W and V in an amount fallen in the region surrounded by the line (a) shown in appending, and Fe and inevitable impurities in a ba...
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WO/2002/088411A1 |
A duplex stainless steel with improved hot workability, useful for structural parts requiring both strength and corrosion resistance. The present invention is based on the study result that if the content of Cu is limited to 0-1.0% and t...
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WO/2002/086172A1 |
A method for producing a stainless steel with improved corrosion resistance includes homogenizing at least a portion of an article of a stainless steel including chromium, nickel, and molybdenum and having a PRE¿N? of at least 50, as ca...
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WO/2002/086176A1 |
A ferritic heat−resistant steel which comprises, in wt %, 1.0 to 13 % of chromium, 0.1 to 8.0 % of cobalt, 0.01 to 0.20 % of nitrogen, 3.0 % or less of nickel, 0.01 to 0.50 % of one or more elements selected from the group consisting o...
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WO/2002/083966A1 |
The invention relates to a tool steel, whereby the composition thereof comprises the following expressed in wt. %: 0.8 $m(F) C $m(F) 1.5; 5.0 $m(F) Cr $m(F) 14; 0.2 $m(F) Mn $m(F) 3; Ni $m(F) 5; V $m(F) 1; Nb $m(F) 0.1; Si+Al $m(F) 2; Cu...
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WO/2002/083959A1 |
A method for producing a steel material having a high fatigue strength and given a uniform residual stress by a rapid treatment. A maraging steel is subjected to a cold plastic working to have a predetermined dimension, to a solution tre...
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WO/2002/079534A1 |
A precipitation hardeanble stainless steel having the following weight percent composition is disclosed. C 0.030 max. Mn 0.5 max. Si 0.5 max. P 0.040 max. S 0.025 max. Cr 9-13 Ni 7-9 Mo 3-6 Cu 0.75 max. Co 5-11 Ti 1.0 max. Al 1.0-1.5 Nb ...
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WO/2002/077300A1 |
A soft magnetic formed body is produced by a method comprising a step of producing a thin sheet bendable by 180 °C and having a multiphase structure where an $g(a)-Fe crystal phase having an average particle size of 1-43 nm is dispersed...
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WO2002038477A9 |
An endless tensioning strip for a yarn tensioning device consists of precipitation hardened stainless steel (S). The endless yarn tensioning strip is produced by first manufacturing an endless blank from a sheet of a precipitation harden...
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WO/2002/072893A1 |
The invention relates to a method for heating slabs in a system (6) comprising an enclosed space (2) provided with heating means having a first series of longitudinal support means (7) for the slab (4) disposed at the entrance thereof, f...
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WO/2002/070768A2 |
A shaped article which is manufactured b casting in air or under inert-gas shrouding at atmospheric pressure is disclosed. The shpaed articl eprovdies a surerior combination of high strength, hardness, ductility, and corrosion resistance...
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WO/2002/070769A1 |
A steel article consists of an alloy which contain in weight-%: 1.7 - 2.5 C; 0.1 - 2.0 Si; 0.1 - 2.0 Mn; max 0.2 N; max 0.2 S; 12 16 Cr; 2.1 - 3.5 (Mo + W/2); 5 - 8 V; max 0.1 Nb, balance essentially only iron and unavoidable impurities....
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WO/2002/063055A1 |
A heat-treated steel wire for a high strength spring, characterized in that it has a chemical composition, in mass %: C: 0.75 to 0.85 %, Si: 1.5 to 2.5 %, Mn: 0.5 to 1.0 %, Cr: 0.3 to 1.0 %, P: 0.015 % or less, S: 0.015 % or less, N: 0.0...
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WO/2002/061162A1 |
A heat-resistant martensite alloy in which (A) the composition consists of 0.03 to 0.15 wt.% carbon, 0.01 to 0.9 wt.% silicon, 0.01 to 1.5 wt.% manganese, 8.0 to 13.0 wt.% chromium, 0.0005 to 0.015 wt.% aluminum, up to 2.0 wt.% molybdenu...
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WO2001031071A9 |
An innovative combination of powder metallurgy and hot working steps have allowed for optimization of the processing route for extruded powder metallurgical iron aluminide that is produced from both water atomization and gas atomized pow...
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WO/2002/059389A2 |
The invention relates to a steel for tools which are especially exposed to corrosion. Said steel has the following composition (in mass per cent): C: at least 0.02 and at most 0.12 %, Si: at most 1,5 %, Mn: more than 1.0 2.5 %, P: at mos...
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WO/2002/040722A1 |
The invention concerns a method for making a strip or a workpiece cut out from a cold rolled maraging steel strip and hardened by a hardening heat treatment, which consists, prior to the heat treatment, in subjecting the strip or the wor...
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WO/2002/036835A1 |
The invention relates to a heat-treatment furnace and to a heat-treatment method for steel workpieces. According to the invention, the workpieces that are thermally or thermochemically treated inside a treatment chamber (4) of the heat-t...
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WO/2002/034958A1 |
Iron-manganese-silicon-based shape memory alloys comprising: (a) an effective amount of Mn greater than about 18%; (b) an effective amount of Si greater than about 5%; (c) from about 1% to about 8% Cr; (d) an effective amount of N; and (...
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WO/2002/029832A1 |
A ferromagnetic resonator for use in a marker in a magnetomechanical electronic article surveillance system is manufactured at reduced cost by being continuously annealed with a tensile stress applied along the ribbon axis and by providi...
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WO/2002/029128A1 |
Preferred embodiments of the invention provide new nanostructured materials and methods for preparing nanostructured materials having increased tensile strength and ductility, increased hardness, and very fine grain sizes making such mat...
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WO/2002/022905A2 |
A stainless steel comprising at least 20 weight % of chromium and at least 1.0 weight % of manganese is adapted to support an overcoating having a thickness from 1 to 10 microns of a spinel of the formula Mn?x¿Cr?3-x¿O?4¿ wherein x is...
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WO/2002/023560A1 |
The invention relates to a transductor regulator with a magnetic core which is made up of a nanocrystalline alloy which is almost free of magnetorestriction. The core has as low cyclic magnetization losses as possible and as rectangular ...
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