Matches 1 - 50 out of 74 1 2 >


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US20140083574 HEAT-HARDENED STEEL WITH EXCELLENT CRASHWORTHINESS AND METHOD FOR MANUFACTURING HEAT-HARDENABLE PARTS USING SAME  
Disclosed are heat-hardened steel with excellent crashworthiness and a method for manufacturing heat-hardenable parts using the same. The heat-hardened steel according to the invention comprises,...
US20120279621 STEEL, STEEL FLAT PRODUCT, STEEL PART AND METHOD FOR PRODUCING A STEEL PART  
Disclosed is a steel, a steel flat product, a steel part produced from it by hot forming with subsequent hardening, and a method for producing a steel part. In order to guarantee to a high degree...
US20140261918 ENHANCED WEAR RESISTANT STEEL AND METHODS OF MAKING THE SAME  
Improved steel compositions and methods of making the same are provided. The present disclosure provides advantageous wear resistant steel. More particularly, the present disclosure provides high...
US20120211128 METHOD FOR MAKING A STEEL PART OF MULTIPHASE MICROSTRUCTURE  
A steel part having a homogeneous multiphase microstructure in each region of the part, the microstructure containing ferrite, wherein the steel part is obtained by a process involving: cutting a...
US20120160377 METHOD AND DEVICE FOR PRODUCING A MICROALLOYED STEEL, IN PARTICULAR A PIPE STEEL  
The invention relates to a method of making microalloyed steel, in particular a pipe steel, wherein a cast slab (1) passes through an installation (2) having a casting machine (3), a first furnace...
US20080202652 Ferrous seal sliding parts and producing method thereof  
A ferrous seal sliding part excellent in heat crack resistance, seizure resistance and abrasion resistance is provided. The ferrous seal sliding part has a seal sliding surface, wherein the seal...
US20120328896 REINFORCING BAR AND METHOD FOR MANUFACTURING THE SAME  
An improved reinforcing bar (REBAR) and the process for manufacturing the same for the enhancement of the life span of reinforced concrete, reinforced concrete structures and constructions as well...
US20130025747 STEEL FOR INDUCTION HARDENING, ROUGHLY SHAPED MATERIAL FOR INDUCTION HARDENING, PRODUCING METHOD THEREOF, AND INDUCTION HARDENING STEEL PART  
A steel for an induction hardening including, by mass %, C: more than 0.75% to 1.20%, Si: 0.002 to 3.00%, Mn: 0.20 to 2.00%, S: 0.002 to 0.100%, Al: more than 0.050% to 3.00%, P: limited to 0.050%...
US20120273096 Method of Production of Steel Sheet Pressed Parts With Locally Modified Properties  
According to the method of production of a steel sheet pressed part with locally modified properties, the steel sheet blank is first heated in a device for heating to the austenitic temperature of...
US20150159247 STEEL MATERIAL FOR FRICTION WELDING, AND METHOD FOR PRODUCING SAME  
A chemical composition includes, in mass percent, C: 0.30 to 0.55%, Si: 0.05 to 1.0%, Mn: 0.05 to 0.9%, P: 0.001 to 0.030%, S: 0.005 to 0.12%, Cr: 0.05 to 2.0%, Al: 0.005 to 0.05%, N: 0.0050 to...
US20130081741 METHOD OF ACHIEVING TRIP MICROSTRUCTURE IN STEELS BY MEANS OF DEFORMATION HEAT  
In a first step of the method of achieving TRIP microstructure in steels by deformation heat, steel feedstock is heated to a temperature below the temperature at which austenite begins to form in...
US20130095347 HOT-STAMPED STEEL, METHOD OF PRODUCING OF STEEL SHEET FOR HOT STAMPING, AND METHOD OF PRODUCING HOT-STAMPED STEEL  
A hot-stamped steel according to the present invention includes, by mass %, C: 0.20% to 0.35%, Si: 0.1% to 0.5%, the total of at least one selected from Mn and Cr: 1% to 3%, Al: 0.005% to 0.06%,...
US20060219335 Excellent-strength and excellent-toughness steel and the method of manufacturing the same  
A steel with excellent-strength and excellent-toughness comprises, by weight percent, C: 0.02 to less than 0.15%; Si: not greater than 1%; Mn: 0.3 to 2.5%; P: not greater than 0.05%; S: less than...
US20120247625 LOW YIELD RATIO, HIGH STRENGTH AND HIGH UNIFORM ELONGATION STEEL PLATE AND METHOD FOR MANUFACTURING THE SAME  
Provided is a low yield ratio, high strength and high uniform elongation steel plate having excellent strain ageing resistance equivalent to API 5L X70 Grade or lower and a method for...
US20090223610 HIGH CARBON STEEL WIRE MATERIAL HAVING EXCELLENT WIRE DRAWABILITY AND MANUFACTURING PROCESS THEREOF  
A high carbon steel wire material which is made of high carbon steel as a raw material for wire products such as steel cords, bead wires, PC steel wires and spring steel, allows for these wire...
US20090007999 METHOD FOR MANUFACTURING HOT-FORMED STEEL PRODUCT  
A method of manufacturing a hot-formed steel product is provided, by which when a steel sheet is subjected to hot forming, excellent forming can be achieved without causing break or a crack during...
US20130192726 METHOD OF HOT FORMING A STEEL BLANK AND THE HOT FORMED PART  
A method of hot forming a steel blank into an article the method including the following steps: d) cooling a heated steel blank to form an article during hot forming, starting at a starting...
US20100037992 METHOD FOR TRANSFORMING STEEL BLANKS  
The invention relates to a method for transforming steel blanks. The invention in particular relates to a method for transforming a steel blank comprising kneading in order to obtain very good...
US20110192507 IRON ALLOY, IRON-ALLOY MEMBER, AND PROCESS FOR MANUFACTURING THE SAME  
An iron alloy according to the present invention comprises: Al in an amount of from 3 to 5.5%; Mn in an amount from 0.2 to 6%; and the balance being iron (Fe), and inevitable impurities and/or a...
US20050199322 High carbon hot-rolled steel sheet and method for manufacturing the same  
The high carbon hot-rolled steel sheet contains, in terms of percentages of mass, 0.10 to 0.7% C, 2.0% or less Si, 0.20 to 2.0% Mn, 0.03% or less P, 0.03% or less S, 0.1% or less Sol.Al, 0.01% or...
US20100132855 FIRE-RESISTANT STEEL SUPERIOR IN WELD JOINT REHEAT EMBRITTLEMENT RESISTANCE AND TOUGHNESS AND METHOD OF PRODUCTION OF SAME  
The present invention provides high temperature strength and fire-resistant steel superior in weld joint reheat embrittlement resistance and toughness which is produced using steel of a room...
US20080202639 Hot-rolled steel sheet and cold-rolled steel sheet and manufacturing method thereof  
A steel sheet excellent in mechanical strength, workability and thermal stability and suited for use as a raw material in such fields of manufacturing automobiles, household electric appliances...
US20050150580 Ultra-high strength steel sheet having excellent hydrogen embrittlement resistance, and method for manufacturing the same  
The present invention provides an ultra-high strength steel sheet having excellent hydrogen embrittlement resistance, which includes: 0.06 to 0.6% of C; 0.5 to 3% of Si+Al; 0.5 to 3% of Mn; 0.15%...
US20150047753 METHOD FOR PRODUCING A COMPONENT FROM STEEL BY HOT FORMING  
The invention relates to a method for producing a component from transformable steel by hot forming, in which a plate first is cut out of a strip or sheet as the pre-material, and is then heated...
US20140057130 Flat Steel Product, Method for Production of a Flat Steel Product and Method for Production of a Component  
A flat steel product which is provided for forming into a component by hot pressing and which has a base layer of steel on which is applied a Zn or a Zn alloy metallic protective coating for...
US20080145264 Mo-V-Ni high temperature steels, articles made therefrom and method of making  
Low carbon carburizing (surface hardening) and higher carbon through hardening steels primarily containing molybdenum, vanadium and nickel and, to a lesser amount, chromium used for rolling...
US20100021339 COMPONENTS MADE OF STEELS WITH AN ULTRAHIGH CARBON CONTENT AND WITH A REDUCED DENSITY AND HIGH SCALING RESISTANCE  
UHC lightweight structural steel with improved scaling resistance, comprising the composition in % by weight C: 1 to 1.6, Al: 5 to 10, Cr: 0.5 to 3, Si: 0.1 to 2.8, the remainder iron and...
US20070193666 High Strength Dual Phase Steel With Low Yield Ratio, High Toughness and Superior Weldability  
A dual phase, high strength steel having a composite microstructure of soft and hard phases providing a low yield ratio, high strain capacity, superior weldability, and high toughness is provided....
US20090025839 HIGH TENSILE STRENGTH, REFRACTORY STEEL HAVING EXCELLENT WELDABILITY AND GAS CUTTABILITY AND METHOD FOR PRODUCING SAME  
Accordingly to an exemplary embodiment of the present invention, a high tensile strength, refractory steel can be provided which comprises, in mass %, approximately C: 0.04 to 0.14%, Si: 0.50% or...
US20080219878 Seamless steel pipe for line pipe and a process for its manufacture  
A thick-walled seamless steel pipe for line pipe which has a high strength and improved toughness and corrosion resistance in spite of the thick wall and which is suitable for use as a riser and...
US20090252641 Hot-Rolled Steel Sheet, Method for Making the Same, and Worked Body of Hot-Rolled Steel Sheet  
A steel sheet contains, in terms of percent by mass, C: 0.01 to 0.2%, Si: 2.0% or less, and Mn: 3.0% or less and has a martensite phase as dominant phase and ferrite with a grain size of 20 μm or...
US20060016526 High-strength steel for welded structures excellent in high temperature strength and method of production of the same  
The present invention provides a high-strength steel for welded structures excellent in strength at a high temperature of a temperature range of 600° C. to 800° C. and a method of production of...
US20080178972 HIGH STRENGTH STEEL SHEET AND METHOD FOR PRODUCING THE SAME  
The present invention relates to A high strength steel sheet having a structure which is mainly composed of MD structure (Micro Duplex structure) comprising a ferrite matrix, and as a secondary...
US20130292011 High-Strength Steel Sheet Having Superior Toughness at Cryogenic Temperatures, and Method for Manufacturing Same  
According to one aspect, provided is a high-strength steel sheet having superior toughness at cryogenic temperature, comprising, in weight percentage, 0.02 to 0.06% of C, 0.1 to 0.35% of Si, 1.0...
US20120321504 AIR HARDENABLE SHOCK-RESISTANT STEEL ALLOYS, METHODS OF MAKING THE ALLOYS, AND ARTICLES INCLUDING THE ALLOYS  
An air hardenable steel alloy is disclosed comprising, in percent by weight: 0.18 to 0.26 carbon; 3.50 to 4.00 nickel; 1.60 to 2.00 chromium; 0 to 0.50 molybdenum; 0.80 to 1.20 manganese; 0.25 to...
US20050079087 Steel alloy for injection molds  
Provided is a steel alloy and process for manufacture thereof. The steel alloy has improved ductility, weldability and dimensional stability. Also provided is a manufacturing mold having a...
US20120144990 ARMOUR  
A steel armour comprising between 90% and 50% bainite, the rest being austenite, in which excess carbon remains within the bainitic ferrite at a concentration beyond that consistent with...
US20120318414 MANUFACTURING METHOD AND MANUFACTURING APPARATUS OF HOT-ROLLED STEEL SHEET  
Provided is a manufacturing method of a hot-rolled steel sheet which enables manufacturing of a hot-rolled steel sheet having excellent surface properties and a fine structure. The manufacturing...
US20060065335 High tensile steel excellent in high temperature strength and method for production thereof  
The present invention relates to a high-tensile-strength low alloy carbon steel (in the form of a steel sheet, a steel pipe, a section steel or a wire rod), for a building structure, said...
US20130340899 STEEL SHEET FOR HOT STAMPING USE, METHOD OF PRODUCTION OF SAME, AND METHOD OF PRODUCTION OF HIGH STRENGTH PART  
The present invention has as its object the provision of steel sheet for hot stamping use which is excellent in part strength after hot stamping and delayed fracture resistance comprised of large...
US20070017609 Steel with excellent delayed fracture resistance and tensile strength of 1600 MPa class or more, its shaped articles, and methods of production of the same  
Steel and steel shaped articles with an excellent delayed fracture resistance and a tensile strength of the 1600 MPa class or more, containing, by mass %, C: 0.20 to 0.60%, Si: 0.50% or less, Mn:...
US20070175548 Method and installation for the production of hot-rolled strip having a dual-phase structure  
The aim of the invention is to be able to produce dual-phase steels under local conditions even in the existing cooling section of a continuous casting and rolling plant by means of controlled...
US20120186704 HIGH-STRENGTH SEAMLESS STEEL TUBE, HAVING EXCELLENT RESISTANCE TO SULFIDE STRESS CRACKING, FOR OIL WELLS AND METHOD FOR MANUFACTURING THE SAME  
A seamless steel tube contains 0.15% to 0.50% C, 0.1% to 1.0% Si, 0.3% to 1.0% Mn, 0.015% or less P, 0.005% or less S, 0.01% to 0.1% Al, 0.01% or less N, 0.1% to 1.7% Cr, 0.4% to 1.1% Mo, 0.01% to...
US20100074794 STEEL PLATE FOR LINEPIPE HAVING ULTRA-HIGH STRENGTH AND EXCELLENT LOW TEMPERATURE TOUGHNESS AND MANUFACTURING METHOD OF THE SAME  
A steel plate for linepipes having ultra-high strength and excellent low temperature toughness, and a method for manufacturing the same are disclosed. The steel plate has a strength of 930 MPa or...
US20090211669 Method for producing quenched components consisting of sheet steel  
The invention relates to a method for producing quenched components consisting of sheet steel, comprising the following steps: a) shaped parts are formed from sheet steel; b) the end of the shaped...
US20110163512 STEERING TIE ROD END MADE OF STEEL AND METHOD OF MANUFACTURING THE SAME  
A steel tie rod end includes a shaft portion and first and second fitting portions. A minimum area portion having a small radially cross-sectional area is provided for the shaft portion, and 90%...
US20050257862 Production method of warm- or hot-formed product  
Disclosed is a method wherein when a steel sheet is subjected to warm or hot forming to produce a formed product by drawing with a punch and a die, the steel sheet is formed while the forming...
US20120024434 METHOD FOR PRODUCING STRIPS OF METAL, AND PRODUCTION LINE FOR PERFORMING THE METHOD  
The invention relates to a method of and a plant for making hot-rolled strips of cast metal, wherein the cast strip is subjected as a rough strip to at least a first step for momogenizing the...
US20150159261 STEEL FOR NITROCARBURIZING AND NITROCARBURIZED COMPONENT, AND METHODS FOR PRODUCING SAID STEEL FOR NITROCARBURIZING AND SAID NITROCARBURIZED COMPONENT  
The present invention provides a steel for nitrocarburizing having excellent mechanical workability before nitrocarburizing, and showing excellent fatigue properties after nitrocarburizing, which...
US20140144560 METHOD OF MANUFACTURING HOT-PRESS-FORMED STEEL MEMBER  
To establish a method for obtaining a hot-press-formed steel member, which exhibits high strength, high tensile elongation (ductility) and high bendability, thereby having excellent deformation...

Matches 1 - 50 out of 74 1 2 >