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Matches 451 - 500 out of 97,301

Document Document Title
WO/2018/117671A1
A method for producing a grain-oriented electrical steel sheet according to an embodiment of the present invention comprises the steps of: heating a slab satisfying the following formula 1 and including, by wt%, 3.2 to 4.0% of Si, 0.03 t...  
WO/2018/117678A1
The present invention relates to abrasion-resistant austenite steel material having superb surface characteristic, and a method for producing the abrasion-resistant austenite steel material. Provided are austenite steel material having s...  
WO/2018/117482A1
One aspect of the present invention aims to provide high-hardness wear-resistant steel having excellent wear resistance to a thickness of 40t (mm) as well as high strength and impact toughness, and a method for manufacturing same.  
WO/2018/117602A1
A non-oriented electrical steel sheet according to an embodiment of the present invention comprises, in terms of wt%, 2.0-4.0% of Si, 0.001%-2.0% of Al, 0.0005-0.009% of S, 0.02-1.0% of Mn, 0.0005-0.004% of N, 0.004% or less (excluding 0...  
WO/2018/117643A1
According to one embodiment of the present invention, a grain-oriented electrical steel sheet comprises, by wt%, 1.0-7.0% of Si, 0.005% or less (excluding 0%) of C, 0.0010-0.1% of P, 0.005-0.2% of Sn, 0.0005-0.020% of S, 0.0005-0.020% of...  
WO/2018/117488A1
The present invention relates to austenitic stainless steel comprising, in percentage by weight: 0.05% or less (excluding 0%) of carbon (C); 0.05% or less (excluding 0%) of nitrogen (N); 1.0-2.0% of Si; 1.0% or less (excluding 0%) of man...  
WO/2018/117471A1
The present invention relates to a steel wire for an armor cable used for a flexible pipe and, more specifically, to a high-strength and high-corrosion resistance steel wire having excellent sour properties and high-strength, and a manuf...  
WO/2018/115938A1
The invention deals a cold rolled and heat treated steel sheet having a composition comprising the following elements, expressed in per cent by weight: 0.15 % ≤ carbon ≤ 0.6 % 4 % ≤ manganese ≤ 20 % 5 % ≤ aluminum ≤ 15 % 0 ...  
WO/2018/117711A1
According to the present invention, provided are a cold-rolled steel sheet having excellent bendability and hole expandability, and a method for manufacturing same, the steel sheet containing, by weight %, 0.03 to 0.07% of C, 0.3% or les...  
WO/2018/117767A1
An aspect of the present invention relates to a high-strength steel material, having enhanced resistance to brittle crack propagation and break initiation at a low temperature, which comprises in weight % 0.01-0.07% of C, 0.002-0.2% of S...  
WO/2018/117552A1
An aspect of the present invention relates to an ultra-high strength hot-rolled steel sheet having excellent bending processability, the steel sheet comprising, in terms of weight%, 0.18-0.28% of C, 1.2-2.2% of Mn, 0.1-0.5% of Si, 0.005-...  
WO/2018/117496A1
The present invention relates to steel for pressure vessels used in a boiler, a pressure vessel fittings, etc. of a power station and, more particularly, to steel for pressure vessels with excellent resistance to high-temperature temperi...  
WO/2018/117481A1
The present invention relates to wear-resistant steel used in construction machines, among others, and more specifically, to high-hardness wear-resistant steel having excellent wear resistance to a thickness of 40 to 130t (mm) as well as...  
WO/2018/117450A1
Provided are: a SOUR-resistant heavy-walled steel material having excellent low-temperature toughness and post-heat treatment characteristics; and a method for manufacturing the same. The SOUR-resistant heavy-walled steel material of the...  
WO/2018/117750A1
An embodiment of the present invention provides: an adhesive coating composition capable of adhering (coupling) non-oriented electrical steel sheets without using a conventional coupling method such as welding, clamping, and interlocking...  
WO/2018/117228A1
Provided is an H-steel having a chemical composition containing C, Si, Mn, Nb, V, Ti, and N, and having a microstructure in which the area ratio of ferrite is at least 60% and less than 100%, the average grain size of the ferrite being 1...  
WO/2018/117509A1
One embodiment of the present invention relates to ultra-high strength steel having a low yield ratio comprising: 0.05-0.09 wt% of carbon (C); 0.1-0.4 wt% of silicon (Si); 1.8-2.5 wt% of manganese (Mn); 0.01-0.06 wt% of aluminum (Al); 0....  
WO/2018/117675A1
The present invention relates to a cold rolled steel sheet having high temperature characteristics and room temperature processability, and a manufacturing method therefor, and provides a cold rolled steel sheet having excellent processa...  
WO/2018/117480A1
An austenitic stainless steel processed product having excellent surface characteristics, and a manufacturing method therefor are disclosed. The disclosed austenitic stainless steel processed product comprises an austenitic stainless ste...  
WO/2018/117727A1
An aspect of the present invention relates to a thick steel plate having excellent low-temperature impact toughness and CTOD characteristics, the thick steel plate comprising, by weight %: 0.02-0.06% of C, 0.005-0.08% of Si, 1.0-2.0% of ...  
WO/2018/117700A1
The objective of one aspect of the present invention is to provide: a thick steel sheet having high strength and high toughness without carrying out accelerated cooling using water cooling, in the manufacturing, by means of a thermo-mech...  
WO/2018/117670A2
An embodiment of the present invention provides: an adhesive coating composition capable of attaching (coupling) an electrical steel sheet without using an existing coupling method, such as welding, clamping, or interlocking; an electric...  
WO/2018/117464A1
A welding joint part obtained by welding nickel steel of the present invention comprises either: (1) a first composition including 0.1-0.5 wt% of carbon (C), 0.1-2.0 wt% of silicon (Si), 18.0-26.0 wt% of manganese (Mn), 9 wt% or less (ex...  
WO/2018/116792A1
Provided is a ferritic stainless steel sheet which has excellent scale adhesion and thermal fatigue characteristics, while exhibiting excellent condensed water corrosion resistance. This ferritic stainless steel sheet is configured to ha...  
WO/2018/117639A8
A method for manufacturing a grain-oriented electrical steel sheet according to an embodiment of the present invention comprises the steps of: preparing a slab; heating the slab; hot-rolling the slab to manufacture a hot-rolled plate; ho...  
WO/2018/117489A1
Disclosed are: a ferrite-based stainless steel having excellent strength and acid resistance; and a method for manufacturing the same. The ferrite-based stainless steel according to an embodiment of the present invention comprises, in te...  
WO/2018/117606A1
Disclosed are a hot dip coated steel and a method for manufacturing the same, the hot dip coated steel comprising a hot rolled steel and a hot dip coated layer formed on the surface of the hot rolled steel, wherein the hot rolled steel c...  
WO/2018/117124A1
A plated steel wire which is provided with: a steel wire to be plated; and a brass plating layer which covers the surface of the steel wire to be plated and is composed of Cu, Zn, Al and impurities, while having an average thickness of f...  
WO/2018/117597A1
A non-oriented electrical steel sheet according to one embodiment of the present invention comprises, by wt%, 2.0 to 3.5% of Si, 0.3 to 3.5% of Al, 0.2 to 4.5% of Mn, 0.0005 to 0.02% of Zn, and the balance of Fe and other inevitable impu...  
WO/2018/117724A1
Disclosed are a high strength hot rolled steel sheet and the like, the hot rolled steel sheet comprising: by wt%, 0.14-0.3% of C, 1-2.0% of Si, 2.6-5% of Mn, 0.001-2% of sol.Al, (48/14)*[N]-0.1% of Ti, 0.04% or less (excluding 0%) of P, ...  
WO/2018/116099A1
The invention deals with a tempered and coated steel sheet having a composition comprising the following elements, expressed in percentage by weight: 0.17% ≤ carbon ≤ 0.25 %, 1.8 % ≤ manganese ≤ 2.3%, 0.5 % ≤ silicon ≤ 2.0 %,...  
WO/2018/117640A1
A non-oriented electrical steel sheet according to an embodiment of the present invention comprises, 1.0 to 4.0 wt% of Si, 0.1 to 1.0 wt% of Mn, 0.1 to 1.5 wt% of A1, 0.001 to 0.01 wt% of Zn, and 0.0005 to 0.005 wt% of B with the remaind...  
WO/2018/117770A1
Disclosed is an aluminum-based alloy plate steel sheet, which comprises a base steel sheet, an interfacial alloy layer, and an aluminum-based plated layer comprising a Mg-Si-based alloy phase, and in which b/a is 1-5 when the area fracti...  
WO/2018/116829A1
Provided are: a grain-oriented electrical steel sheet that has an excellent magnetic property and coating adhesiveness after stress relief annealing; and a production method therefor. This grain-oriented electrical steel sheet has: a ste...  
WO/2018/108653A1
The invention relates to a hot-rolled flat steel product having a larger sheet thickness and an optimized combination of properties. For this purpose, the flat steel product consists of a steel having (in wt%) C: 0.1 – 0.3%, Mn: 1.5 ...  
WO/2018/107311A1
A nitrogen-containing stainless bearing steel, comprising the following components in percentage by weight: C: 0.18-0.23%; N: 0.25-0.67%; Co≤0.50%; Cr: 14.00-18.00%; W: 0.50-1.50%; Mo≤1.5%; V≤0.15%; Ni: 1.00-2.00%; Si≤0.80%; Mn...  
WO/2018/110850A1
The present invention relates to a high-strength wire rod superior in impact toughness and a manufacturing method therefor and, more particularly, to a high-strength wire rod having superior impact toughness, which can be preferably used...  
WO/2018/110867A1
Provided are a high strength cold rolled steel plate having excellent yield strength, ductility, and hole expandability, a hot dip galvanized steel plate, and a method for producing the same. The cold rolled steel plate of the present in...  
WO/2018/110906A1
The present invention relates to a hot-rolled steel sheet suitable for construction, tools, vehicle parts, and the like and, more particularly to a high-carbon hot-rolled steel sheet having an excellent surface quality and a manufacturin...  
WO/2018/110858A1
Disclosed are an automotive exhaust system ferritic stainless steel having improved heat resistance and condensed water corrosion resistance, and a manufacturing method therefor. According to one embodiment of the present invention, the ...  
WO/2018/110152A1
Provided is a hot-rolled steel plate suitable as a raw material for a square steel pipe, having a low yield ratio, low-temperature toughness, and adequate strength despite having a plate thickness of more than 25 mm. The present inventio...  
WO/2018/112453A1
A thermometric powder metal material for testing to replicate an actual powder material during use of the actual powder metal material in an internal combustion engine is provided. The thermometric powder metal material includes pores an...  
WO/2018/110853A1
The present invention relates to a high strength dual phase steel having excellent low temperature range burring properties, and a method for producing the same. More specifically, the present invention relates to a high strength dual ph...  
WO/2018/107316A1
A heat treatment method for ultra-high-carbon bearing steel. The bearing steel comprises the components of: C: 1.5%-2.5%; Mn: 0.6%-1.2%; V: 0.01%-0.1%; B: 0.1%-1.0%; Be: 0.1%-0.24%; Ni: 0.2%-1.8%; Si: 1.2%-1.8...  
WO/2018/110914A3
The present invention relates to a dephosphorizing flux for controlling a phosphorus component contained in a molten metal, wherein the dephosphorizing flux comprises a main raw material containing BaCO3 and an auxiliary raw material, th...  
WO/2018/110676A1
Provided is a grain-oriented electrical steel sheet having a forsterite coating film on a ferrite surface, wherein the grain-oriented electrical steel sheet has a Cr-depleted layer having a Cr concentration 0.70-0.90 times the Cr concent...  
WO/2018/110785A1
Disclosed are ferritic stainless steel having an excellent ridging property and surface quality of a final product by changing a microstructure of a central portion of a cross section by further performing cold rolling before a heat trea...  
WO/2018/107446A1
An alloy composition comprises that carbon at a concentration of from greater than or equal to about 0.15% by weight to less than or equal to about 0.5% by weight of the alloy composition, manganese at a concentration of from greater tha...  
WO/2018/110866A1
Disclosed are a ferrite-based stainless steel having improved impact toughness and a method for producing the same. A ferrite-based stainless steel according to an embodiment of the present invention comprises 18.0 to 20.0 wt% of Cr, 0.4...  
WO/2018/110779A1
Disclosed is a low alloy steel sheet which reduces surface cracks in hot rolling by minimizing the addition of an alloying element, and simultaneously ensures corrosion resistance by using Cr as one of main components and implements a TR...  

Matches 451 - 500 out of 97,301