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Posco patents


Recent patent applications related to Posco. Posco is listed as an Agent/Assignee. Note: Posco may have other listings under different names/spellings. We're not affiliated with Posco, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "P" | Posco-related inventors


Method for manufacturing reduced iron

Provided is a method for manufacturing reduced iron which includes the steps of: i) drying ores in an ore drier; ii) supplying the dried ores to at least one reduction reactor; iii) reducing the ores in the at least one reduction reactor and manufacturing reduced iron; iv) discharging exhaust gas... Posco

Grain-oriented electrical steel plate and production method therefor

Provided is an oriented electrical steel sheet including a groove existing on the surface of the electrical steel sheet and a forsterite layer formed on a part or all of the surface of the electrical steel sheet, in which forsterite which is extended from the forsterite layer and penetrates to... Posco

Apparatus for removing top dross of plating pot

The present invention relates to an apparatus for removing top dross of a plating pot where a snout and an air knife are arranged, the snout being arranged between the front end region and the rear end region of a plating pot. The present invention provides an apparatus for removing... Posco

High-strength cold rolled steel sheet with low material non-uniformity and excellent formability, hot dipped galvanized steel sheet, and manufacturing method therefor

A high-strength cold-rolled steel sheet and a hot-dipped galvanized steel sheet with low deviation of material properties and excellent formability, and a method for manufacturing same are provided. The present invention relates to a low-yield-ratio high-strength cold-rolled steel sheet with low deviation of directional material and excellent formability, comprising 0.05-0.15... Posco

Grain-oriented electrical steel sheet and manufacturing method therefor

A method for manufacturing a grain-oriented electrical steel sheet, according to an embodiment of the present invention includes: heating a slab, based on 100 wt % of a total composition thereof, including N at 0.0005 wt % to 0.015 wt %, Ti at 0.0001 wt % to 0.020 wt %,... Posco

Heat treatable steel, product formed thereof having ultra high strength and excellent durability, and manufacturing same

The present invention relates to a formed product used in vehicle components and the like, and to a method for manufacturing the same. The present invention provides heat treatable steel, a formed product using the same having ultra-high strength and excellent durability, and a method for manufacturing the same, wherein... Posco

High strength galvanized steel sheet having excellent surface qualities, plating adhesion, and formability, and manufacturing same

A high strength galvanized steel sheet having excellent surface qualities, plating adhesion, and formability is provided, wherein a galvanized layer is formed on a cold-rolled steel sheet comprising 0.1-0.3 wt % of C, 1-2.5 wt % of Si, 2.5-8 wt % of Mn, 0.001-0.5 wt % of sol. Al, at... Posco

Zinc alloy plated steel material having excellent weldability and processed-part corrosion resistance and manufacturing same

Zn alloy plated steel material having excellent weldability and processed-part corrosion resistance and a method for production of Zn alloy plated steel material are provided. In the Zn alloy plated steel material comprising base steel material and a Zn alloy plating layer, the Zn alloy plating layer includes, by wt... Posco

Chrome free coating composition having excellent blackening resistance and corrosion resistance, and surface-treated steel sheet

The present invention provides a chromium-free coating composition having high blackening resistance and corrosion resistance, the composition comprising: 20 to 70 wt % of waterborne silane modified polyurethane; 0.5 to 5 wt % of a hardener; 0.5 to 5 wt % of a blackening inhibitor; 0.5 to 5 wt %... Posco

Oriented electrical steel sheet with excellent magnetic properties and manufacturing same

The present invention relates to a method of manufacturing a directional electric steel plate having excellent surface wettability and magnetic properties. More particularly, the present invention relates to a directional electric steel plate in which a surface of a steel plate consisting of Si: 2.0 to 6.5%, acid soluble Al:... Posco

Grain-oriented electrical steel plate and manufacturing method thereof

A grain-oriented electrical steel plate of an exemplary embodiment of the present invention has a groove formed on a surface, wherein a curvature radius RBb at a position where a depth of the groove is maximum is 0.2 μm to 100 μm, and a curvature radius RSb on the groove... Posco

Ultra-high strength, hot-dip galvanized steel sheet having excellent surface quality and coating adhesion, and manufacturing thereof

The present invention relates to an ultra-high strength, hot-dip galvanized steel sheet having excellent surface quality and coating adherence and to a method for manufacturing thereof, the ultra-high strength, hot-dip galvanized steel sheet comprising: 0.1-0.3% by weight carbon (C); 0.1-2.0% by weight silicon (Si); 0.005-1.5% by weight aluminum (Al); 1.5-3.5%... Posco

Steel for low-temperature service having excellent surface processing quality and manufacturing same

Provided is a steel sheet for low-temperature service, which can be used at a wide temperature range from low temperature to room temperature in liquefied gas storage tanks and transport facilities. The steel sheet for low-temperature service has an excellent surface processing quality even after a processing processes is performed,... Posco

Non-oriented electrical steel sheet and manufacturing the same

A method for manufacturing a non-oriented electrical steel sheet according to an exemplary embodiment of the present invention includes performing hot rolling on a slab after heating the slab to manufacture a hot rolled sheet; performing hot rolled sheet annealing on the hot rolled sheet; performing cold rolling on a... Posco

Non-oriented electrical steel sheet and manufacturing method therefor

A non-oriented electrical steel sheet according to an embodiment of the present invention includes Ti at 0.0030 wt % or less (excluding 0 wt %), Nb at 0.0035 wt % or less (excluding 0 wt %), V at 0.0040 wt % or less (excluding 0 wt %), B at 0.0003... Posco

Fe-p-cr alloy thin plate and manufacturing same

The present invention relates to an Fe—P—Cr alloy thin plate and a method for manufacturing the same. An embodiment of the present invention provides an Fe—P—Cr alloy thin plate including, in terms of wt %, P (6.0-13.0%), Cr (0.002-0.1%), and the balance of Fe and other inevitable impurities.... Posco

Method for manufacturing transparent pattern print steel plate

A method of manufacturing a transparent pattern printed steel plate includes forming a printed paint film layer by jetting transparent ink onto at least one surface of a steel plate, and curing the printed paint film layer with ultraviolet light to form a cured printed paint film layer. Further, a... Posco

Method for forming groove in surface of steel plate, and apparatus therefor

Disclosed herein are a method and a device for forming a groove in a surface of a steel sheet. In the method for forming a groove in a surface of a steel sheet, in order to form grooves at a depth of 10% or less of a thickness of the... Posco

Method and purification of dimethyl carbonate using pervaporation

An apparatus for separating dimethyl carbonate using pervaporation includes: an atmospheric distillation column and a high pressure distillation column distilling a mixture containing dimethyl carbonate and methanol and separating dimethyl carbonate from the mixture; and a pervaporation membrane module disposed between the atmospheric distillation column and the high pressure distillation... Posco

Austenitic stainless steels excellent in flexibility

H1=−459+79.8Si−10.2Mn−8.16Ni+48.0Cr−13.2Cu+623(C+N).... Posco

Plated steel sheet having excellent adhesion property and manufacturing method therefor

The present invention relates to a plated steel sheet, which can be used for vehicles, home appliances, construction materials and the like, and to a method for manufacturing the plated steel sheet.... Posco

Method and manufacturing cokes additive

Provided is a method and apparatus for manufacturing a cokes additive, which is optimized for extraction of a cokes additive and can easily and effectively manufacture the additive, the method comprising: a coal pre-processing step for bringing coal into slurry by dispersing the coal in a solvent; a step for... Posco

Structural ultra-thick steel having excellent resistance to brittle crack propagation, and production method therefor

Provided are structural ultra-thick steel having excellent resistance to brittle crack propagation and a production method therefor. The structural ultra-thick steel comprises 0.02-0.1 wt % of C, 0.8-2.5 wt % of Mn, 0.05-1.5 wt % of Ni, 0.005-0.1 wt % of Nb, and 0.005-0.1 wt % of Ti with the... Posco

Hot-rolled steel sheet for high strength galvanized steel sheet, having excellent surface quality, and producing same

The present invention relates to a hot-rolled steel sheet for a high strength galvanized steel sheet, having excellent surface quality, and a method for producing the same, the hot-rolled steel sheet comprising, by weight %: C: 0.05 to 0.15%, Si: 0.03 to 0.10%, Mn: 0.7 to 1.39%, P: 0.001 to... Posco

Hot-rolled steel sheet for high strength galvanized steel sheet, having excellent surface quality, and producing same

The present invention relates to a hot-rolled steel sheet for a high strength galvanized steel sheet, having excellent surface quality, and a method for producing the same, the hot-rolled steel sheet comprising, by weight %: C: 0.08 to 0.2%, Si: 0.03 to 0.15%, Mn: 1.4 to 2%, P: 0.001 to... Posco

Ferritic stainless steel

Provided is a ferritic stainless steel including, as a ferritic stainless steel used in a separator for a fuel cell, a base material including, in weight %, C: 0.003% to 0.012%, N: 0.003% to 0.015%, Si: 0.05% to 0.15%, Mn: 0.3% to 0.8%, Cr: 20% to 24%, Mo; 0.1% to... Posco

Austenitic-based stainless steel for fuel cell

Provided is an austenitic stainless steel for a fuel cell including, in weight %, C: 0.05% to 0.09%, Si: 0.5% or less (0 excluded), Mn: 2.5% to 5.0%, Cr: 21% to 23%, Ni: 10% to 12%, Nb: 0.2% to 0.7%, N: 0.25% or less (0 excluded), Al: 0.2% or less... Posco

Fe-ni alloy metal foil having excellent heat resilience and manufacturing same

An aspect of the present invention provides an Fe—Ni alloy metal foil having excellent heat resilience, where the Fe—Ni alloy metal foil is prepared by an electroforming (EF) method and has a thickness of 100 μm or less (except O μm), wherein the Fe—Ni alloy metal foil comprises, by wt... Posco

Building material

Provided is a building material that is disposed between an inter-floor separation layer configured to separate floors of a building having a plurality of floors from each other and a bottom layer disposed above the inter-floor separation layer. The building material includes a support member disposed between the inter-floor separation... Posco

Lean duplex stainless steel having superb drawing property and producing same

Provided are lean duplex stainless steel in which delayed fracture does not occur and thus a drawing property is improved, and a method for producing the lean duplex stainless steel. The lean duplex stainless steel having a superb drawing property according to the present disclosure includes, in weight %, C:... Posco

High-strength steel having superior brittle crack arrestability, and production method therefor

Provided are high-strength steel having superior brittle crack arrestability and a production method therefor. The structural ultra-thick steel comprises 0.05-0.1 wt % of C, 0.9-1.5 wt % of Mn, 0.8-1.5 wt % of Ni, 0.005-0.1 wt % of Nb, 0.005-0.1 wt % of Ti, 0.1-0.6 wt % of Cu, 0.1-0.4... Posco

Grain-oriented electrical steel sheet and manufacturing grain-oriented electrical steel sheet

An oriented electrical steel sheet includes Ba at about 0.005 wt % to about 0.5 wt % inclusive, Y at about 0.005 wt % to about 0.5 wt % inclusive, or a composite of Ba and Y at about 0.005 wt % to about 0.5 wt % inclusive, the remainder... Posco

Wire rod having enhanced strength and impact toughness and preparation same

Provided is a wire rod having enhanced strength and impact toughness. The wire rod includes, by wt %, carbon (C): 0.05% to 0.15%, silicon (Si): 0.2% or less, manganese (Mn): more than 3.5% to 5.0% or less, chromium (Cr): 0.5% to 2.0%, phosphorus (P): 0.020% or less, sulfur (S):0.020% or... Posco

Meniscus flow control device and meniscus flow control method using same

Provided is a meniscus flow control device includes: a meniscus flow detection unit for detecting, in a meniscus flow form of molten steel, relative temperature values for positions measured by temperature measurers, and relatively comparing the temperature values measured by the temperature measurers to thereby determine the flow state of... Posco

Lean duplex stainless steel and producing the same

Provided are lean duplex stainless steel having a dual-phase structure of an austenite phase and a ferrite phase, and a method for producing the lean duplex stainless steel. The lean duplex stainless steel, as a ferrite-austenite stainless steel, has the preferred stacking fault energy (SFE) value of the austenite phase,... Posco

11/16/17 / #20170327153

Pillar member and roll formed member of vehicle

The present invention provides a pillar member of a vehicle, which is characterized by comprising: a pillar main body portion; and a connecting and joining portion provided on both ends of the pillar main body portion and coupled to a vehicle body. The pillar main body portion and the connecting... Posco

11/16/17 / #20170327916

High-hardness martensitic stainless steel with excellent antibacterial property and preparation method therefor

A high-hardness martensitic stainless steel with excellent antibacterial property and a preparation method therefor are disclosed. The high-hardness martensitic stainless steel with excellent antibacterial property comprises: 0.45-0.65 wt % of C; 0.02-0.06 wt % of N; 0.1-0.6 wt % of Si; 0.3-1.0 wt % of Mn; 0.1-0.4 wt % of... Posco

11/16/17 / #20170327922

High-strength steel having superior brittle crack arrestability, and production method therefor

Provided are high-strength steel having superior brittle crack arrestability and a production method therefor. The high-strength steel comprises 0.05-0.1 wt % of C, 0.9-1.5 wt % of Mn, 0.8-1.5 wt % of Ni, 0.005-0.1 wt % of Nb, 0.005-0.1 wt % of Ti, 0.1-0.6 wt % of Cu, 0.1-0.4 wt... Posco

11/16/17 / #20170327923

Super duplex stainless steel having excellent yield strength and impact toughness and menufacturing method therefor

Provided is super duplex stainless steel having excellent yield strength and impact toughness, wherein a reduction ratio and a heat treatment temperature are controlled so as to improve mechanical properties. The super duplex stainless steel having excellent yield strength and impact toughness is thick super duplex stainless steel having a... Posco

11/16/17 / #20170331344

Module for cooling heating element and motor including same

The present invention relates to a module for cooling a heating element and a motor including the same. The module for cooling the heating element, according to the present invention, can comprise: a flat plate-shaped heat pipe containing working fluid therein, coming into close contact with the heating element, and... Posco

11/02/17 / #20170312861

High manganese steel pipe with step-out weld zone erosion-corrosion resistance and making the same

Improved steel welds, article for making the same, and methods of making the same are provided. The present disclosure provides advantageous erosion, corrosion and/or cracking resistant weld metal. More particularly, the present disclosure provides high manganese (Mn) weld metal compositions having enhanced erosion, corrosion and/or cracking resistance, articles for the... Posco

11/02/17 / #20170312862

Field dissimilar metal welding technology for enhanced wear resistant high manganese steel

The present disclosure relates to a welding composition for joining high manganese steel base metals to low carbon steel base metals, as well as systems and methods for the same. The composition includes: carbon in a range of about 0.1 wt % to about 0.4 wt %; manganese in a... Posco

11/02/17 / #20170313354

Upper arm and shock absorber mounting bracket and vehicle frame including same

An embodiment of the present invention provides an improved upper arm and shock absorber mounting bracket and a vehicle frame including same, which can reduce the number of components, make assembly convenient, and reduce the number of assembly steps. An upper arm and shock absorber mounting bracket according to an... Posco

11/02/17 / #20170313887

Insulating coating composition for oriented electrical steel sheet, oriented electrical steel sheet having insulating coating formed on surface thereof by using same, and preparation method therefor

Provided are an insulation coating composition for an oriented electrical steel sheet, an oriented electrical steel sheet having an insulation coating formed on the surface thereof by using the same, and a manufacturing method thereof, and specifically, it is possible to provide an insulation coating composition for an oriented electrical... Posco

10/26/17 / #20170306438

Dual-phase steel sheet with excellent formability and manufacturing method therefor

The present invention relates to a high-strength steel sheet and, more specifically, to a dual-phase steel sheet having excellent formability, so as to be appropriately applied to vehicle panels and the like, and a manufacturing method therefor.... Posco

10/19/17 / #20170298471

Wire rod having enhanced strength and impact toughness and preparation same

Provided is a wire rod having enhanced strength and impact toughness comprising, by wt %, carbon (C): 0.05% to 0.15%, silicon (Si): 0.2% or less, manganese (Mn): 3.0% to 4.0%, phosphorus (P): 0.020% or less, sulfur (5):0.020% or less, boron (B): 0.0010% to 0.0030%, titanium (Ti): 0.010% to 0.030%, nitrogen... Posco

10/05/17 / #20170283894

Ferritic stainless steel having excellent ductility and manufacturing same

Ferritic stainless steel having a high degree of ductility and a method for manufacturing the ferritic stainless steel are provided. The stainless steel includes, by wt %, C: 0.005% to 0.1%, Si: 0.01% to 2.0%, Mn: 0.01% to 1.5%, P: 0.05% or less, S: 0.005% or less, Cr: 10% to... Posco

10/05/17 / #20170283902

Hot dip galvanized and galvannealed steel sheet having excellent elongation properties

There is provided a hot-dip galvanized steel sheet and a hot-dip galvannealed steel sheet, which have excellent elongation properties, and methods for manufacturing the hot-dip galvanized steel sheet and the hot-dip galvannealed steel sheet. The present disclosure relates to a hot-dip galvanized steel sheet in which a hot-dip galvanized layer... Posco

09/21/17 / #20170271061

Grain-oriented electrical steel sheet and manufacturing method therefor

Disclosed are an oriented electrical steel sheet and a manufacturing method thereof. An exemplary embodiment of the present invention provides a method of manufacturing an oriented electrical steel sheet, including: providing a slab including Si at 1.0 to 4.0 wt %, C at 0.1 to 0.4 wt %, and the... Posco

09/14/17 / #20170260602

Complex-phase steel sheet having excellent formability and manufacturing the same

A high strength steel sheet mainly used as an automotive exterior panel material is provided. In detail, a complex-phase steel sheet having excellent formability and a method of manufacturing the same are provided. A steel sheet may have excellent strength and ductility, and a relatively low yield ratio and an... Posco

09/07/17 / #20170253942

Magnetic domain refinement grain-oriented electrical steel sheet, magnetic domain refinement apparatus, and grain-oriented electrical steel sheet manufactured by means of same

Disclosed is a magnetic domain refining method for radiating a laser beam to a surface of a directional electrical steel plate at intervals, which is capable of further reducing noise along with an iron loss reduction effect and further improving iron loss and noise reduction effects in an area where... Posco

09/07/17 / #20170253951

Steel sheet coated with aluminum-magnesium

The present invention relates to an aluminum-magnesium coated steel plate using vacuum coating, wherein an aluminum-magnesium coating layer is constituted by 1 to 45 wt % of magnesium, a balance of aluminum, and other inevitable impurities, and an Al3Mg2 alloy phase is formed in the aluminum-magnesium coating layer by performing... Posco

08/17/17 / #20170233799

Method and ultrasensitive quantification of microrna

The present invention provides an apparatus and a method for detecting the presence of and/or determining the amount of a label-free microRNA using an atomic force microscope. The method is extremely selective and/or ultrasensitive. In particular, the present invention provides a cantilever comprising a probe that selectively binds to a... Posco

08/17/17 / #20170233871

Pre-coating agent composition for grain-oriented electrical steel sheet, grain-oriented electrical steel sheet comprising same, and manufacturing method therefor

A pre-coating agent composition for a grain-oriednted electrical steel sheet, a grain-oriednted electrical steel sheet including the same, and a manufacturing method thereof are provided. Particularly, a pre-coating agent composition for a grain-oriednted electrical steel sheet including an acid containing boron (B); and a solvent, a grain-oriednted electrical steel sheet... Posco

07/20/17 / #20170204086

Alpha-helix analog having triazine-piperazine backbone and preparing same

The alpha-helix mimetic containing a triazine-piperazine scaffold is provided. The alpha-helix mimetic compound can mimic efficiently the alpha-helix structure of protein secondary structure and act as an inhibitor for the protein interaction being specific to various diseases mediated by alpha-helix. Therefore, the compound can be used as a biological probe... Posco

06/22/17 / #20170173676

Edge dam of twin roll type strip caster

An edge dam of a twin roll type strip caster is provided as a refractory material having a sealing member for sealing both end surfaces of a pair of casting rolls, and is pressed and raised according to wear of the sealing member. To uniformly maintain a contact area of... Posco

06/22/17 / #20170175212

Argon oxygen decarburization refining molten austenitic stainless steel

An argon oxygen decarburization (AOD) refining method for molten austenitic stainless steel includes, preparing molten austenitic stainless steel in an electric arc furnace, pouring the molten austenitic stainless steel into an AOD refining furnace by adjusting a carbon concentration of the molten austenitic stainless steel to 2.0 wt % to... Posco

06/22/17 / #20170175236

Induction heatable stainless steel sheet having excellent corrosion resistance and manufacturing the same

A stainless steel sheet for cookware and a method of manufacturing the same and, particularly, an induction heatable stainless steel sheet having excellent corrosion resistance and a method of manufacturing the same are provided. The induction heatable stainless steel sheet having excellent corrosion resistance includes, by wt %, C: 0.1%... Posco

06/15/17 / #20170165744

Metal fiber manufacturing system

The present invention relates to a metal fiber manufacturing system. The system casts molten metal as a metal fiber; collects the metal fiber in real time; transfers the metal fiber; separates normal products from defective products; and packages a predetermined amount of the normal product metal fiber. The system processes... Posco

06/15/17 / #20170167552

Attachable high-mn steel brake disk

An attachable high-manganese steel brake disk includes a first disk member including air vents disposed radially therein to be spaced apart from each other, and a pair of second disk members installed to be attached to two surfaces of the first disk member and having a braking surface in contact... Posco

06/08/17 / #20170157686

Cutting apparatus and cutting method

A cutting apparatus includes: a supply part for supplying an object to be cut; a first cutting part for cutting the object to be cut, provided from the supply part; a carrying part arranged to be consecutive to the first cutting part to carry an intermediate cut object, cut by... Posco

05/18/17 / #20170138511

Expandable high-strength steel material and expanded high-strength steel pipe having superior expandability and collapse resistance, and methods for manufacturing thereof

There are provided an expandable high-strength steel material and an expanded high-strength steel pipe having excellent expandability and collapse resistance, and methods for manufacturing the expandable high-strength steel material and the expanded high-strength steel pipe. The expandable high-strength steel material including, by weight, manganese (Mn): 12% to 18%, carbon (C):... Posco

05/11/17 / #20170129003

Twin-roll strip caster and casting method using same

A twin-roll strip caster includes: a pair of casting rolls rotating in opposite directions to each other, and having an edge dam adhering to both end surfaces of the casting rolls in a length direction of the casting rolls; a submerged nozzle discharging molten steel between the pair of casting... Posco

05/11/17 / #20170129004

Surface treatment method and casting roll manufactured by the same

A surface treatment method capable of preventing a surface defect by improving a surface shape determining surface roughness of a casting roll and a casting roll manufactured by the surface treatment method, are provided. A surface treatment method includes a concave-convex pattern forming operation of forming a concave-convex pattern on... Posco

04/27/17 / #20170113299

Apparatus and treating surface of strip casting twin roll

An apparatus for treating a surface of a strip casting twin roll includes: a laser machining unit configured to form dimple patterns on a surface of a rotating casting roll using a laser; a machining region processing unit, wherein if the casting roll is rotated by a critical angle, the... Posco

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02/23/17 / #20170051378

High-strength cold rolled steel sheet having excellent ductility, hot-dip galvanized steel sheet and manufacturing same

The present invention relates to: a high-strength steel sheet used for construction materials and transportation means such as vehicles and trains and, more specifically, to a high-strength cold rolled steel sheet having excellent ductility, a hot-dip galvanized steel sheet, and a method for manufacturing the same.... Posco

02/16/17 / #20170044689

Carbon nanotube fiber and producing the same

The present invention relates to carbon nanotube fiber and a producing method thereof. The carbon nanotube fiber has a tensile strength which exceeds 5 GPa, and the producing method includes: producing a carbon nanotube fiber precursor consisting of carbon nanotubes; evenly dispersing a cross-linking agent on the carbon nanotube fiber... Posco

02/09/17 / #20170040618

Solid oxide fuel cell comprising reaction preventing layer and manufacturing same

The present invention relates to a solid oxide fuel cell which can improve the overall performance of the cell and obtain durability and reliability, and the invention provides a solid oxide fuel cell comprising a reaction preventing layer and a method for manufacturing the same, wherein an anode, an electrolyte,... Posco

02/02/17 / #20170029955

Plated steel sheet for hot press forming having excellent weldability and corrosion resistance, forming member, and manufacturing method thereof

The present invention relates to a plated steel sheet for hot press forming, a hot-press forming member manufactured using the same, and a manufacturing method thereof. The plated steel sheet comprises: a base steel sheet and a composite plated layer that is formed on at least one surface of the... Posco

01/05/17 / #20170002435

Ultrahigh-strength steel for welding structure with excellent toughness in welding heat-affected zones thereof, and manufacturing same

Provided is a ultrahigh strength steel for a welded structure having superior toughness in a weld heat-affected zone (HAZ) comprising: by wt %, carbon (C): 0.05% to 0.15%, silicon (Si): 0.1% to 0.6%, manganese (Mn): 1.5% to 3.0%, nickel (Ni): 0.1% to 0.5%, molybdenum (Mo): 0.1% to 0.5%, chromium (Cr):... Posco

01/05/17 / #20170002436

Ferritic lightweight steel sheet having excellent strength and ductility and manufacturing the same

A ferritic steel sheet according to an exemplary embodiment of the present invention includes C at 0.01 to 0.3 wt %, Mn at 0.5 to 8 wt %, Al at 5 to 12 wt %, and Nb at 0.015 to 0.2 wt % based on an entire composition of 100... Posco

01/05/17 / #20170002450

Steel sheet for hot press forming with excellent corrosion resistance and weldability, forming member, and manufacturing method therefor

The present invention relates to: a steel sheet for hot press forming that is used for vehicle parts and the like and, more particularly, to a steel sheet for hot press forming with excellent corrosion resistance and weldability; a forming member; and a manufacturing method therefor.... Posco

01/05/17 / #20170002451

Cooling plated steel sheet

A cooling apparatus for a plated steel sheet according to the present invention comprises: an injection means for injecting a cooling fluid while facing a steel sheet in progress; and an injection width varying means for varying the injection width of the cooling fluid so as to correspond to the... Posco

07/27/17 / #20170214300

Bonded type laminated-core member manufacturing apparatus and adhesive applying unit for the same

Disclosed herein is a bonded type laminated-core member manufacturing apparatus comprising an adhesive applying unit which is selectively open for applying an adhesive to a material being continuously transferred, and a blanking unit sequentially forming laminar members having a predetermined shape by blanking the material, wherein the adhesive applying unit... Posco

07/13/17 / #20170201163

Laminate unit for manufacturing bonded-type laminated core member and apparatus having the same for manufacturing laminated core member

Disclosed herein is a bonded-type laminated core member manufacturing apparatus including an adhesive application unit to apply an adhesive to a material being continuously transferred, and a laminating unit configured to integrate laminar members laminated within a laminating hole by blanking the material, a laminated core member being manufactured by... Posco

05/18/17 / #20170136756

Apparatus for manufacturing bonded-type laminated core member using high-frequency heating and laminate unit for the same

Disclosed herein is a bonded-type laminated core member manufacturing apparatus comprising an adhesive application unit to apply an adhesive to a material being continuously transferred, and a laminating unit to integrate laminar members laminated within a laminating hole by blanking the material, a laminated core member being manufactured by interlayer... Posco

01/05/17 / #20170003002

Lens and led lighting apparatus having the same

A lens may include: a lens part including an incidence surface onto which light is incident and a emission surface through which the light incident onto the incidence surface is emitted, and an outer surface which reflects the light incident onto the incidence surface toward the emission surface; and a... Posco

12/21/17 / #20170365881

Nanicl battery and module using same

A NaNiCl battery and a module using the same are provided. A NaNiCl battery according to the present invention include: a case that forms an exterior shape of the battery; and a beta alumina solid electrolyte (BASE) tube that is provided in the case and having a clover-shaped cross-section, wherein... Posco

11/16/17 / #20170328240

Turbine power generation system having emergency operation means, and emergency operation method therefor

Discloses is a turbine power generation system having an emergency operation means and an emergency operation method therefor that are capable of controlling excess heat accumulated during emergency operation, and recycling the accumulated heat. A turbine power generation system includes: an inlet sensor part including a thermometer, a pressure gauge,... Posco

06/22/17 / #20170179502

Heat recovery apparatus based on fuel cell and operating method thereof

Provided are a heat recovery apparatus based on a fuel cell and an operating method thereof. In the fuel cell-based heat recovery apparatus and the operating method thereof, hot water and steam may be generated by using heat generated while a molten carbonate fuel cell (MCFC) operates to supply the... Posco

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