Matches 1 - 44 out of 44


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US20150114525 TOUGH BAINITIC HEAT TREATMENTS ON STEELS FOR TOOLING  
The invention relates to a method that has been developed to obtain good toughness and homogeneous properties through heavy sections in tool steels or likely highly alloyed steels. The...
US20140000770 HIGH THERMAL DIFFUSIVITY AND HIGH WEAR RESISTANCE TOOL STEEL  
A tool steel family with outstanding thermal diffusivity, hardness and wear resistance has been developed, also exhibiting good hardenability. Also its mechanical strength, as well as its yield...
US20080302501 Steel for Hot Tooling, and Part Produced From Said Steel, Method for the Production Thereof, and Uses of the Same  
The invention relates to steel for hot tooling, the composition of said steel being made up of the following weight percentages: 0.30%=C=0.39%, 4.00%=Cr=6.00%, traces=Si=0.50%, traces=Mn=0.80%,...
US20130095313 METHOD FOR INHIBITING CORROSION UNDER INSULATION ON THE EXTERIOR OF A STRUCTURE  
A method for inhibiting corrosion under insulation (CUI) on the exterior of a structure, e.g., pipelines, piping, vessels and tanks, is provided. The method involves providing a structure that is...
US20070181234 SPRAY QUENCH SYSTEMS FOR HEAT TREATED METAL PRODUCTS  
A spray quench system is provided with one or more spray quench rings that eject a controlled volume of spray onto a workpiece passing through the quench rings. The quench rings can be adjusted in...
US20110126946 BAINITE STEEL AND METHODS OF MANUFACTURE THEREOF  
Super Bainite Steel is described comprising between 90% and 50% bainite, the rest being austenite, in which excess carbon remains within the bainitic ferrite at a concentration beyond that...
US20110120723 Low Alloy Steels With Superior Corrosion Resistance For Oil Country Tubular Goods  
The present application describes a steel composition that provides enhanced corrosion resistance. This steel composition includes one of vanadium in an amount of 1 wt % to 9 wt %, titanium in an...
US20070079912 Weldable component of structural steel and method of manufacture  
The invention concerns steel building components whereof the chemical composition comprises, by weight: 0.40 %=C=0.50%, 0.50%=Si=1.50%, 0%=Mn=3%, 0%=Ni=5%, 0%=Cr=4%, 0%=Cu=1%, 0%=Mo+W/2 =1.5%,...
US20060037678 Gas quenching installation and the corresponding quenching method  
The invention relates to a gas quenching installation comprising a quenching cell (12), a buffer tank (10) which is intended to contain the quenching gas (6), gas connection means (32) which link...
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...
US20090288742 METHOD FOR INCREASING THE FATIGUE STRENGTH OF A PREDOMINANTLY STEEL MECHANICAL PART OF A WIND TURBINE AND/OR FOR REDUCING THE TENDENCY TO FORM WHAT ARE CALLED "WHITE ETCHING CRACKS" OR "BRITTLE FLAKES" IN SUCH STEEL MECHANICAL PARTS  
Method for increasing the fatigue strength of a mechanical part of a wind turbine and/or for reducing the tendency to form what are called “white etching cracks” or “brittle flakes” in such a...
US20110108167 NANO-CRYSTALLINE, MAGNETIC ALLOY, ITS PRODUCTION METHOD, ALLOY RIBBON AND MAGNETIC PART  
A magnetic alloy having a composition represented by the general formula of Fe100-x-yCuxBy (atomic %), wherein x and y are numbers meeting the conditions of 0.1≦x≦3, and 10≦y≦20, or the general...
US20120241058 CAST IRON CAST PART AND METHOD FOR PRODUCTION THEREOF  
The invention relates to a cast iron cast part, in particular a cast crankshaft (1), having a first layer (3) made of ausferrite, and a second layer (4) adjoining the interior (5) made of...
US20140007994 QUENCHING METHOD FOR STEEL PIPE  
A method for quenching a steel pipe by water cooling from an outer surface thereof, where pipe end portions are not subjected to water cooling, and at least part of a main body other than the pipe...
US20110247734 Surface Decarburization-Restrained Steel and Manufacturing Method Thereof  
Decarburization-restrained steel and manufacturing method thereof are disclosed. Steel includes a boron (B)-concentrated layer formed on its surface to prevent carbon of the steel from being in...
US20150144234 MICROTREATMENT OF CARBIDE CONTAINING IRON-BASED ALLOY AND ARTICLES RESULTING THEREFROM  
Processes and apparatuses for micro-treating iron-based alloys to transform and/or shape them and the resulting materials obtained by treating low, medium, and high carbon steel and other...
US20060048868 Rapid cooling method for parts by convective and radiative transfer  
A rapid cooling method for metal parts, using a pressurized cooling gas, characterized in that the cooling gas comprises one (or several) principal gas(es) absorbing infra-red radiation, selected...
US20090183804 LOCALIZED INDUCTION HEATING FOR RESIDUAL STRESS OPTIMIZATION  
An apparatus for the heat-treating of a heat-hardenable steel cruciform article having a weld seam includes a heating element to heat the weld seam to a point that an austenitic transformation...
US20090308505 Quenching Fluid  
Quenching fluid composition comprising one or more additives and a saturated base oil having a kinematic viscosity at 100° C. “K” expressed in centistokes and a viscosity index “I” wherein I is...
US20100084059 LOCALLY AUSTEMPERED DUCTILE IRON  
A system and method for producing locally austempered ductile iron includes a computer program for closely controlling the heating and cooling of an iron part or workpiece. The process allows for...
US20080264530 Hot Forged Product With Excellent Fatigue Strength, Method for Making the Same, and Machine Structural Part Made From the Same  
A hot forged product including hardened areas introduced by partial cooling after hot forging, and unhardened areas, wherein Vickers hardness V1 of the hardened areas on the surface and Vickers...
US20100043928 METHOD OF FORMING TEXTURE ON SURFACE OF IRON OR IRON-BASE ALLOY SHEET, METHOD OF MANUFACTURING NON-ORIENTED ELECTRICAL STEEL SHEET BY USING THE SAME AND NON-ORIENTED ELECTRICAL STEEL SHEET MANUFACTURED BY USING THE SAME  
An iron or iron-base alloy sheet having high proportion of {100} texture and a method of manufacturing the same. A method of forming grains having {100} plane parallel to the sheet surface is...
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...
US20070125463 Fluidized bed cryogenic apparatus and continuous cooling method for quenching of steel parts  
Apparatus and method for cryogenically heat treating steel work-pieces to cause the super-strengthening (higher strength, ductility, better fatigue properties, etc.) of same is disclosed. The...
US20140261921 Process to Improve Fatigue Strength of Micro Alloy Steels, Forged Parts Made From the Process and an Apparatus to Execute the Process.  
The present invention describes a process to make enhanced fatigue strength micro-alloy steel. In the process of the present invention, the soaking temperature is maintained in the range of 900°...
US20120186707 METHOD FOR MANUFACTURING OF HIGH STRENGTH COLD ROLLED STEEL SHEET OF EXCELLENT PHOSPHATABILITY  
A method for the manufacturing of high strength cold rolled steel sheets includes continuously annealing a cold rolled steel sheet that has a composition containing C: 0.05-0.3% mass, Si: 0.6-3.0%...
US20100263771 STEEL WIRE ROD FOR BEARING STEEL, MANUFACTURING METHOD OF STEEL WIRE ROD FOR BEARING STEEL, HEAT TREATMENT METHOD OF STEEL BEARING, STEEL BEARING AND SOAKING METHOD OF BEARING STEEL  
A heat treatment method of manufacturing high carbon bearing steel having excellent abrasion resistance and fatigue resistance, a steel wire rod for high carbon bearing steel subjected to the heat...
US20070084529 HIGH STRENGTH AND HIGH DUCTILITY STEEL SHEET HAVING ULTRAFINE CRYSTALLINE GRAIN STRUCTURE OBTAINED BY LOW STRAIN PROCESSING AND ANNEALING OF ORDINARY LOW CARBON STEEL, AND A METHOD FOR PRODUCING THEREOF  
A high strength and high ductility low carbon steel having a tensile strength of 800 MPa or more, an uniform elongation of 5% or more, and an elongation to failure of 20% or more which is produced...
US20130153090 METHOD FOR THERMAL TREATMENT OF ARTICLES FROM IRON-BASED ALLOYS (VARIANTS)  
The invention relates to the field of thermal processing of articles consisting of steel and iron-based alloys with a carbon content of up to 4.3% by weight. In order to reduce the duration of the...
US20080210352 Method for Heat-Treating Steel Material  
Disclosed is an efficient heat treatment method which can be performed in a short time. Specifically disclosed is a method for heat-treating a steel material wherein a plastically deformed steel...
US20090020007 SINGLE-PIECE FORGED-STEEL PISTON WITH INNER OIL COOLING CHAMBER AND A METHOD FOR MANUFACTURING THEREOF  
A laser-welded single-piece forged-steel piston with an enclosed inner oil cooling chamber having the advantages of simple structure and easy manufacturing process, and capable of satisfying the...
US20120132327 HIGH STRENGTH STEEL SHEET HAVING EXCELLENT HYDROGEN EMBRITTLEMENT RESISTANCE  
Disclosed is a high strength steel sheet having excellent hydrogen embrittlement resistance. The steel sheet has a tensile strength of 1180 MPa or more, and satisfies the following conditions:...
US20090038715 Water-Cooling Method of Steel Material and Steel Material Obtained by That Water-Cooling Method  
The oxide film thickness of the steel material surface (dH2O+do2) is made to become 15 nm or less where post-treatment after water-cooling is not needed by suitably setting the conditions of the...
US20120055592 Method of Metal Processing Using Cryogenic Cooling  
Described herein are a method, an apparatus, and a system for metal processing that improves one or more properties of a sintered metal part by controlling the process conditions of the cooling...
US20090126838 UNIFORM HEAT TREATMENT PROCESS FOR HARDENING STEEL  
Heat treatment processes for hardening a workpiece such as a turbine blade include attaching a spacer to a workpiece surface, wherein the spacer comprises an inner profile mirroring the workpiece...
US20100163140 Microtreatment of Iron-Based Alloy, Apparatus and Method Therefor, and Microstructure Resulting Therefrom  
This invention relates to a multi-phase transformation of an iron and carbon-containing alloy. While the phenomena for this cooling transformation are not fully understood, multiple theories are...
US20100319650 FUNCTIONALLY GRADED POWDER METAL COMPONENTS  
The invention provides a method of manufacturing a ferrous monolithic component and the component that results from the method. The method of the invention utilizes selective rapid cooling of the...
US20070131319 FLASH TEMPERING PROCESS AND APPARATUS  
A method for tempering a workpiece is provided. The method includes providing a ferrous alloy workpiece having a martensite and/or bainite phase therein, heating at least a portion of the...
US20100132854 Microtreatment of Iron-Based Alloy, Apparatus and Method Therefor, and Articles Resulting Therefrom  
Iron-based alloys and articles in strips, sheets, workpieces and the like are converted into high strength steel with a minimum of cost, time and effort, including producing dual phase materials....
US20100263770 FLASH TEMPERING PROCESS AND APPARATUS  
A method for tempering a workpiece is provided. The method includes providing a ferrous alloy workpiece having a martensite and/or bainite phase therein, heating at least a portion of the...
US20080053579 Method of Making High Strength Ferrous Article, and Article Made Thereby  
A preselected metallurgical phase is formed in a body of a ferrous alloy by heating the workpiece to a temperature above an austenizing temperature of the alloy and thereafter contacting the...
US20170130286 STEEL PRODUCT AND MANUFACTURING METHOD OF THE SAME  
A steel product has: a chemical composition represented by, in mass %, C: 0.050% to 0.35%, Si: 0.50% to 3.0%, Mn: exceeding 3.0% to 7.5% or less, P: 0.05% or less, S: 0.01% or less, sol. Al:...
US20160348200 BAINITIC STEEL MATERIALS AND METHODS OF MAKING SUCH MATERIALS  
Methods of making bainitic steels may involve austenitizing a quantity of steel by exposing the quantity of steel to a first temperature. A composition of the quantity of steel may be configured...
US20150322554 METHODS FOR MAKING HIGH HARDNESS, HIGH TOUGHNESS IRON-BASE ALLOYS  
One aspect of the present disclosure is directed to low-alloy steels exhibiting high hardness and an advantageous level of multi-hit ballistic resistance with minimal crack propagation imparting a...

Matches 1 - 44 out of 44