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US20140227126 HIGH STRENGTH STEEL PIPE FOR LINE PIPE SUPERIOR IN LOW TEMPERATURE TOUGHNESS AND HIGH STRENGTH STEEL PLATE FOR LINE PIPE AND METHODS OF PRODUCTION OF THE SAME  
The present invention provides high strength steel pipe for line pipe superior in low temperature toughness suppressed in drop of toughness of the HAZ and a method of production of the same, more...
US20150118098 LOW TEMPERATURE HARDENABLE STEELS WITH EXCELLENT MACHINABILITY  
The present invention relates to the application of at least partially bainitic or interstitial martensitic heat treatments on steels, often tool steels or steels that can be used for tools. The...
US20110186182 STEEL FOR NITROCARBURIZING AND NITROCARBURIZED PARTS  
The present invention relates to a steel material giving more effective case hardening for improving the fatigue strength and is characterized by containing, by mass %, C: 0.01 to 0.3%, Si: less...
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,...
US20140234154 HARD WELD OVERLAYS RESISTANT TO RE-HEAT CRACKING  
A hard weld overlay which is resistant to cracking when re-heated, and a method for designing such alloys, is disclosed. The alloys are able to resist re-heat cracking through prevention of the...
US20150044086 STEEL WIRE ROD OR STEEL BAR HAVING EXCELLENT COLD FORGEABILITY  
A steel wire rod or steel bar as hot-rolled, including: by mass %: C: 0.1 to 0.6%, Si: 0.01 to 1.5%, Mn: 0.05 to 2.5%, Al: 0.015 to 0.3%, and N: 0.0040 to 0.0150%, and P: limited to 0.035% or less...
US20130039803 HIGH-STRENGTH STEEL PLATE EXCELLENT IN DROP WEIGHT PROPERTIES  
Disclosed is a high-strength steel plate having a predetermined chemical composition, in which a microstructure of the steel plate at a depth of one-fourth to one half the thickness from a surface...
US20110036469 STEEL PLATE THAT EXHIBITS EXCELLENT LOW-TEMPERATURE TOUGHNESS IN BASE MATERIAL AND WELD HEAT-AFFECTED ZONE AND HAS SMALL STRENGTH ANISOTROPY, AND MANUFACTURING METHOD THEREOF  
The present invention provides a steel plate that exhibits excellent low-temperature toughness in a base material and a weld heat-affected zone and has small strength anisotropy, wherein the steel...
US20150004051 SPRING STEEL  
A high strength spring steel suppresses ferrite decarburization in a surface layer of a predetermined wire rod manufactured by hot rolling therefrom and possesses excellent decarburization...
US20130315661 WELD METAL HIGHLY RESISTANT TO TEMPER EMBRITTLEMENT  
This weld metal has a predetermined chemical composition, controls the number of oxides in accordance with size, and has an A value stipulated by the belowmentioned formula of no greater than 5.0....
US20140219859 ALLOYS FOR HARDBANDING WELD OVERLAYS  
Disclosed herein are iron-based alloys having a microstructure comprising a fine-grained ferritic matrix and having a 60+ Rockwell C surface, wherein the ferritic matrix comprises <10 μm carbide...
US20090053097 Fire-Resistant Steel Material Superior in Haz Toughness of Welded Joint and Method of Production of Same  
The present invention provides a fire-resistant steel material superior in HAZ toughness of a welded joint which is high in high temperature yield strength at an envisioned fire temperature of 700...
US20120160373 FORGING HEAT RESISTANT STEEL, MANUFACTURING METHOD THEREOF, FORGED PARTS AND MANUFACTURING METHOD THEREOF  
A forging heat resistant steel of an embodiment contains in percent by mass C: 0.05-0.2, Si: 0.01-0.1, Mn: 0.01-0.15, Ni: 0.05-1, Cr: 8 or more and less than 10, Mo: 0.05-1, V: 0.05-0.3, Co: 1-5,...
US20120321503 METHOD FOR MANUFACTURING INGOT STEEL FOR BEARINGS AND BEARING STEEL  
An ingot steel for bearings has a composition containing C: 0.56% by mass or more and 0.70% by mass or less, Si: 0.15% by mass or more and less than 0.50% by mass, Mn: 0.60% by mass or more and...
US20110091348 STEEL FOR HEAT TREATMENT  
A steel for heat treatment, which exhibits high strength and high toughness even when the heat treatment (such as quenching and tempering) of the steel is conducted under conventional conditions...
US20120187093 FILLER MATERIAL FOR WELDING  
A filler material for welding is characterized by the following chemical composition (amounts in % by weight): 0.05-0.15 C,8-11 Cr,2.8-6 Ni,0.5-1.9 Mo,0.5-1.5 Mn,0.15-0.5 Si,0.2-0.4 V,0-0.04 B,1-3...
US20120288397 BAINITIC STEEL FOR MOULDS  
1—“BAINITIC STEEL FOR MOULDS”, with a composition of alloy elements that consist, in mass percentage, of Carbon between 0.05 and 1.0; Manganese between 0.5 and 3.0; Phosphorous, Boron, Titanium...
US20130189147 BEARING STEEL BEING EXCELLENT BOTH IN POST SPHEROIDIZING-ANNEALING WORKABILITY AND IN POST QUENCHING-TEMPERING HYDROGEN FATIGUE RESISTANCE PROPERTY  
Provided is bearing steel excellent in post spheroidizing-annealing workability and in post quenching-tempering hydrogen fatigue resistance property. The bearing steel has a chemical composition...
US20090010794 STEELS FOR SOUR SERVICE ENVIRONMENTS  
Embodiments of the present application are directed towards steel compositions that provide improved properties under corrosive environments. Embodiments also relate to protection on the surface...
US20110274578 STEEL FOR SURFACE HARDENING FOR MACHINE STRUCTURAL USE AND PART FOR MACHINE STRUCTURAL USE  
The present invention is steel for surface hardening for machine structural use which contains, by mass %, C: 0.3 to 0.6%, Si: 0.02 to 2.0%, Mn: 0.35 to less than 1.5%, and Al: 0.01 to 0.5%, is...
US20080047635 Heavy wall seamless steel pipe for line pipe and a manufacturing method thereof  
A heavy wall seamless steel pipe for line pipe with a high strength and increased toughness, which has a chemical composition, by mass %, that consists of C: 0.03 to 0.08%, Si: not more than...
US20120134872 ABRASION RESISTANT STEEL, METHOD OF MANUFACTURING AN ABRASION RESISTANT STEEL AND ARTICLES MADE THEREFROM  
An abrasion resistant steel consisting essentially of, in weight %: 0.20-0.30% carbon, 0.40-1.25% manganese, 0.05% maximum phosphorous, 0.01% maximum sulfur, 0.20-0.60% silicon, 0.50-1.70%...
US20110002808 FIRE-RESISTANT STEEL MATERIAL SUPERIOR IN WELD HEAT AFFECTED ZONE REHEAT EMBRITTLEMENT RESISTANCE AND LOW TEMPERATURE TOUGHNESS AND METHOD OF PRODUCTION OF SAME  
The present invention provides a fire-resistant steel material superior in weld heat affected zone reheat embrittlement resistance and low temperature toughness when welded by large heat input and...
US20070144632 Steel for structural part of automobile and method for producing the same  
A steel having excellent formability, fatigue endurance after quenching, low temperature toughness, resistance for hydrogen embrittlement, and corrosion fatigue endurance. A method includes...
US20150079420 STEEL FOR HOT FORMING  
The steel for hot forming has the following composition in weight %: C: 0.10-0.25,Mn: 1.4-2.8,Si: ≦1.0,Cr: ≦1.0,Ti: ≦0.05,Nb: ≦0.05,V: ≦0.1,Mo: ≦0.1,Al: ≦0.05,P: ≦0.02,S: ≦0.005,Ca: ≦0.005,O:...
US20090047166 Low alloy steel, seamless steel oil country tubular goods, and method for producing seamless steel pipe  
A low alloy steel comprising, by mass %, C: 0.10 to 0.20%, Si: 0.05 to 1.0%, Mn: 0.05 to 1.5%, Cr: 1.0 to 2.0%, Mo: 0.05 to 2.0%, Al: 0.10 % or less and Ti: 0.002 to 0.05%, and with a Ceq value...
US20100047106 Forging steel  
This invention provides a forging steel excellent in forgeability, which forging steel comprises, in mass %, C: 0.001 to less than 0.07%, Si: 3.0% or less, Mn: 0.01 to 4.0%, Cr: 5.0% or less, P:...
US20130309003 WELD METAL WITH EXCELLENT CREEP CHARACTERISTICS  
This weld metal has excellent creep characteristics and has a given chemical composition. In the weld metal, the value A defined by equation (1) is 200 or greater, and carbide particles each...
US20150037198 WEAR RESISTANT HIGH TOUGHNESS STEEL  
A steel article is provided for improved wear resistance due to optimized hardness, toughness and temper resistance. In one exemplary embodiment, the steel article may have a composition including...
US20120014831 WIRE ROD, STEEL WIRE, AND MANUFACTURING METHOD THEREOF  
The present invention provides a wire rod with a composition at least including: C: 0.95-1.30 mass %; Si: 0.1-1.5 mass %; Mn: 0.1-1.0 mass %; Al: 0-0.1 mass %; Ti: 0-0.1 mass %; P: 0-0.02 mass %;...
US20150144233 HYBRID MOLD STEEL AND MANUFACTURING METHOD THEREOF  
Provided is a mold steel for plastic injection that is excellent in fatigue strength and tensile strength and available for long term use, where the mold steel includes: 0.15 to 0.40 wt. % of...
US20140294491 WELD METAL HAVING EXCELLENT TEMPER EMBRITTLEMENT RESISTANCE  
A weld metal according to the present invention has a specific chemical composition, contains carbide particles each having an equivalent circle diameter of greater than 0.5 μm in a number of 0.25...
US20090087337 Case-hardening steel excellent in cold forgeability and low carburization distortion property  
This invention provides a case-hardening steel excellent in cold forgeability and low carburization distortion property that exhibits low deformation resistance and high limit compressibility when...
US20090238713 ULTRAHIGH-STRENGTH STEEL SHEET  
The invention relates to an ultrahigh-strength thin steel sheet excellent in the hydrogen embrittlement resistance, the steel sheet including, by weight %, 0.10 to 0.60% of C, 1.0 to 3.0% of Si,...
US20130224065 BEARING STEEL BEING EXCELLENT BOTH IN WORKABILITY AFTER SPHEROIDIZING-ANNEALING AND IN HYDROGEN FATIGUE RESISTANCE PROPERTY AFTER QUENCHING AND TEMPERING  
Provided is bearing steel excellent in workability after spheroidizing-annealing and in hydrogen fatigue resistance property after quenching and tempering. The bearing steel has a chemical...
US20090092514 Steel pipe for high strength line pipe superior in strain aging resistance and steel plate for high strength line pipe and methods of production of the same  
The present invention provides steel plate for high strength line pipe suppressing the rise in yield strength in the longitudinal direction of expanded steel pipe due to the heating at the time of...
US20080159901 Steel Having High Mechanical Strenght And Wear Resistance  
Method for reducing the segregated seams of a steel which has high mechanical strength and high wear resistance and whose composition comprises by weight: 0.30%≦C≦1.42%; 0.05%≦Si≦1.5%; Mn≦1.95%;...
US20150017462 Cast CrMoV Steel Alloys and the Method of Formation and Use in Turbines Thereof  
A cast alloy is generally provided, along with methods of forming the cast alloy and components constructed from the cast alloy (e.g., stationary components of a turbine). The cast alloy can...
US20070137736 Low alloy steel for oil well pipes having excellent sulfide stress cracking resistance  
Disclosed is a low alloy steel for oil well pipes which has excellent sulfide stress cracking resistance and is suitable for casing and tubing for oil wells or gas wells. Specifically disclosed is...
US20130216422 ABRASION RESISTANT STEEL PLATE WHICH EXHIBITS EXCELLENT WELD TOUGHNESS AND EXCELLENT DELAYED FRACTURE RESISTANCE  
Provided is an abrasion-resistant steel plate or sheet which exhibits excellent weld toughness and excellent delayed fracture resistance and is thus suitable for construction machines, industrial...
US20080131305 High Strength Steel Sheet and Method for Production Thereof  
A high-strength steel sheet has a metal structure consisting of a ferrite phase in which a hard second phase is dispersed and has 3 to 30% of an area ratio of the hard second phase. In the ferrite...
US20150020926 STEEL FOR NITROCARBURIZING AND NITROCARBURIZED COMPONENT USING THE STEEL AS MATERIAL  
According to the present invention, it is possible to obtain steel for nitrocarburizing having a predetermined chemical composition, a bainite area ratio exceeding 50% and excellent machinability...
US20060090820 Iron-based brazing filler metals  
A plurality of parts is brazed using an iron-based brazing filler metal. The parts generally include stainless steel, and the brazed assembly forms a heat exchanger characterized by effective...
US20100084057 COLD-ROLLED STEEL SHEET, GALVANNEALED STEEL SHEET, AND A PROCESS FOR THEIR MANUFACTURE  
A high strength cold-rolled steel sheet and a high strength plated steel sheet which have an excellent surface appearance required for outer panels of automobiles and which have an extremely high...
US20140182752 ALLOY STEEL FOR HOT FORGING AND HEAT TREATMENT METHOD THEREOF  
Disclosed is an alloy steel for hot forging and a heat treatment method thereof, more particularly, an alloy steel for hot forging and a heat treatment method thereof, which includes iron as a...
US20100147424 ABRASION-RESISTANT STEEL EXCELLENT IN FORMABILITY AND PRODUCTION METHOD THEREOF  
An abrasion resistant steel excellent in bending formability and suitable for members, e.g., power shovels, which come into contact with earth and sand, and a production method thereof are...
US20150122377 Steel, Sheet Steel Product and Process for Producing a Sheet Steel Product  
The invention relates to a steel and to a flat steel product produced therefrom that have optimized mechanical properties and at the same time can be produced at low cost, without having to rely...
US20100034691 SPRING STEEL WIRE EXCELLENT IN FATIGUE CHARACTERISTIC AND WIRE DRAWABILITY  
An object of the preset invention is to provide a spring steel wire that: shows excellent wire drawability not only when it is used as a spring steel wire for cold-winding formed into a steel...
US20080199346 WELD METAL OF HIGH-STRENGTH CR-MO STEEL  
A weld metal of a high-strength Cr—Mo steel formed by shielded metal arc welding contains: 0.04 to 0.10% by mass C, 0.15 to 0.5% by mass Si, 0.5 to 1.0% by mass Mn, 2.00 to 3.25% by mass Cr, 0.9...
US20110074077 SPRING STEEL AND SPRING HAVING SUPERIOR CORROSION FATIGUE STRENGTH  
The present application provides a high strength spring steel and a high strength spring that have superior corrosion fatigue strength. The spring steel comprises, in terms of percent by mass,...

Matches 1 - 50 out of 97 1 2 >