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US20140014234 CASE HARDENING STEEL, METHOD FOR PRODUCING SAME, AND MECHANICAL STRUCTURAL PART USING CASE HARDENING STEEL  
A case hardening steel, which has excellent cold forgeability and excellent crystal grain coarsening prevention characteristics after carburization, contains, in mass %, 0.05-0.20% of C, 0.01-0.1%...
US20150059912 HIGH STRENGTH STEEL PLATE HAVING LOW YIELD RATIO EXCELLENT IN TERMS OF STRAIN AGEING RESISTANCE, METHOD OF MANUFACTURING THE SAME AND HIGH STRENGTH WELDED STEEL PIPE MADE OF THE SAME  
A steel plate has a chemical composition containing, by mass %, C: 0.03% or more and 0.08% or less, Si: 0.01% or more and 1.0% or less, Mn: 1.2% or more and 3.0% or less, P: 0.015% or less, S:...
US20150114527 STEEL FOR OIL COUNTRY TUBULAR GOODS AND METHOD OF PRODUCING THE SAME  
A steel for oil country tubular goods includes, as a chemical composition, by mass %, C, Si, Mn, Al, Mo, P, S, O, N, and a balance containing Fe and impurities, wherein a full width at half...
US20110132502 Method for Producing a Formed Steel Part Having a Predominantly Ferritic-Bainitic Structure  
In a method to produce formed steel parts a primary steel material is provided, which (in % by weight) comprises C: 0.02-0.6%, Mn: 0.5-2.0%, Al: 0.01-0.06%, Si: max. 0.4%, Cr: max. 1.2%, P: max....
US20110291431 CRASH BOX, AND METHOD OF MAKING A CRASH BOX  
A crash box for installation between a bumper crossbeam and a side rail of a motor vehicle is made from a longitudinal beam made of a steel alloy having the following composition in weight-%, 0.15...
US20060219333 Manufacturing method of seamless steel pipe for mechanical structural parts  
The present invention provides a manufacturing method of seamless steel pipe for mechanical structural parts. According to this manufacturing method, production process is simplified and...
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%...
US20110254243 HARDENING OF FLEXIBLE TRAILING ARMS  
The invention relates to a method for manufacturing of a flexible trailing arm for a wheel axle suspension of a vehicle such as a lorry or a trailer. In the method a steel blank is heated. Next,...
US20130048161 HIGH STRENGTH PRESS-FORMED MEMBER AND METHOD FOR MANUFACTURING THE SAME  
A high strength press-formed member includes a steel sheet constituting the member including a composition including by mass %, C: 0.12% to 0.69%, Si: 3.0% or less, Mn: 0.5% to 3.0%, P: 0.1% or...
US20150090378 METHOD OF HOT-SHAPING AND HARDENING A SHEET STEEL BLANK  
A sheet steel blank is heated to the austenite range and formed in a cooled tool pair that rapidly cools the formed product until the product's temperature drops somewhat below the temperature Ms...
US20110209803 High-Strength Steel Machined Product and Method for Manufacturing the Same, and Method for Manufacturing Diesel Engine Fuel Injection Pipe and Common Rail  
A high-strength steel machined product giving excellent hardenability has a metal microstructure with excellent balance of strength and toughness and high stability of retained austenite. The...
US20140158256 PLANT AND METHOD FOR HOT FORMING BLANKS  
There is provided a heating device, in particular an austenitization device, for a plant for hot forming blanks, wherein the heating device is for locally heating, in particular austenitization,...
US20100065168 FIRE RESISTANT STEEL EXCELLENT IN HIGH TEMPERATURE STRENGTH, TOUGHNESS, AND REHEATING EMBRITTLEMENT RESISTANCE AND PROCESS FOR PRODUCTION OF THE SAME  
The present invention provides a fire resistant steel material excellent in high temperature strength, toughness, and reheating embrittlement resistance containing, by mass %, C: 0.001% to 0.030%,...
US20110272068 METHOD FOR PRESS-MOLDING EMBOSSED STEEL PLATE  
A method for press-molding an embossed steel plate is able to cool even an embossed steel plate under conditions adequate for quenching. After a plate body with convex portions formed thereon is...
US20060162824 Method for producing high strength, high ductility steel strip  
A method is provided for the manufacture of steel steel strip having high strength and high ductility. The method includes hot rolling steel consisting essentially of in weight percent C...
US20050236078 Steel sheet for vitreous enameling and produciton method  
To provide a non-aging steel sheet for vitreous enameling, the steel sheet being excellent in resistance to bubbles and black spots, without the employment of decarbonization and denitrification...
US20070199632 Steel part having long rolling contact fatigue life and method for producing the same  
A steel part having a long rolling contact fatigue life and capable of further increasing the life of a bearing under severer using condition than usual conditions. The steel part includes steel...
US20110000587 STEEL, PROCESS FOR THE MANUFACTURE OF A STEEL BLANK AND PROCESS FOR THE MANUFACTURE OF A COMPONENT OF THE STEEL  
Steel is described having a chemical composition, in weight-%, of 0.3 to 0.5% carbon (C), from traces to a max. of 1.5% silicon (Si), 0.2 to 1.5% manganese (Mn), 0.01 to 0.2% sulfur (S), 1.5 to 4%...
US20130037181 INTEGRATED PROCESSING METHOD FOR SHEET STEEL HOT STAMPING AND HEAT TREATMENT  
A processing method is provided integrating hot stamping and controllable subsequent heat treatment in the technical field of hot working for steels. It includes the steps of selecting and...
US20140216615 STAINLESS-STEEL SEAMLESS BELT AND MANUFACTURING METHOD THEREFOR, FIXING BELT AND HEAT FIXING APPARATUS  
Provided is a stainless-steel seamless belt formed by subjecting a stainless-steel plate to a plastic forming process and having a thickness of 50 μm or less. The seamless belt has a bending...
US20120012230 STAINLESS-STEEL SEAMLESS BELT AND MANUFACTURING METHOD THEREFOR, FIXING BELT AND HEAT FIXING APPARATUS  
Provided is a stainless-steel seamless belt formed by subjecting a stainless-steel plate to a plastic forming process and having a thickness of 50 μm or less. The seamless belt has a bending...
US20100139819 METHOD FOR PRODUCING STEEL PART HAVING LONG ROLLING CONTACT FATIGUE LIFE  
A steel part having a long rolling contact fatigue life and capable of further increasing the life of a bearing under severer using condition than usual conditions. The steel part includes steel...
US20080156403 STEEL FOR HIGH-SPEED COLD WORKING AND METHOD FOR PRODUCTION THEREOF, AND PART FORMED BY HIGH-SPEED COLD WORKING AND METHOD FOR PRODUCTION THEREOF  
Disclosed herein is a steel for high-speed cold working which exhibits good cold workability during working and also exhibits high hardness after working. The steel for high-speed cold working...
US20130048160 PRESS HARDENING PLANT AND A METHOD OF PRESS HARDENING A STEEL SHEET BLANK  
In a press-hardening plant, a contact-cooling press (12) is provided between the furnace (11) and the press-hardening press (13). Preselected parts of the blank (18) are contact-cooled such that...
US20090120541 High-Strength Steel Plate, Method of Producing the Same, and High-Strength Steel Pipe  
The present invention provides a high-strength steel plate having excellent resistance to cutting crack, excellent Charpy absorbed energy, excellent DWTT properties, a low yield ratio, and a...
US20120282487 HIGH-STRENGTH STEEL SHEET HAVING EXCELLENT PROCESSABILITY AND PAINT BAKE HARDENABILITY, AND METHOD FOR PRODUCING OF HIGH-STRENGTH STEEL SHEET  
The high-strength steel sheet includes, by mass %: C: 0.01% to 0.10%; Si: 0.15% or less; Mn: 0.80% to 1.80%; P: 0.10% or less; S: 0.015% or less; Al: 0.10% to 0.80%; Cr: 0.01% to 1.50%; N: 0.0100%...
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...
US20150247226 LOW ALLOY STEEL FOR OIL COUNTRY TUBULAR GOODS HAVING EXCELLENT SULFIDE STRESS CRACKING RESISTANCE AND MANUFACTURING METHOD THEREFOR  
The low alloy steel for oil country tubular goods according to the present invention has a chemical composition containing, by mass percent, C: 0.56 to 1.00%, Si: 0.05 to 0.50%, Mn: 0.05 to 1.00%,...
US20070193665 Steel plate excellent in machineability and in toughness and weldability and method of production of the same  
The present invention provides steel plate excellent in machineability and in toughness and weldability and a method of production of the same. Steel with C, Si, Mn, P, S, Al, and N limited to...
US20140345753 SYSTEM AND METHOD FOR HOT-FORMING BLANKS  
A system for hot-forming blanks (P) includes at least one heating device (4) and at least one pressing device (8) arranged downstream of the at least one heating device (4), and at Least one...
US20140056749 HOT-WORK TOOL STEEL AND A PROCESS FOR MAKING A HOT-WORK TOOL STEEL  
A low-chromium hot-work tool steel consisting of (in wt-%): C 0.08-0.40, N 0.015-0.30, C+N 0.30-0.50, Cr 1-4, Mo 1.5-3, V 0.8-1.3, Mn 0.5-2, Si 0.1-0.5, optionally Ni<3, Co≦5, B<0.01, Fe balance...
US20100126644 FERRITIC-AUSTENITIC STAINLESS STEEL EXCELLENT IN CORROSION RESISTANCE AND WORKABILITY ANDMETHOD OF PRODUCTION OF SAME  
The present invention relates to ferritic-austenitic stainless steel oriented to have low Ni which is excellent in corrosion resistance, particularly in corrosion resistance in a neutral chloride...
US20120060982 METHOD OF PRODUCING PRESS-HARDENED STRUCTURAL PARTS  
In a method, a blank of unhardened steel sheet is subjected in a press tool to a hot forming and press-hardening process to produce a structural part. After press-hardening, at least one linear...
US20140377582 HIGH-STRENGTH COLD-ROLLED STEEL SHEET AND METHOD FOR PRODUCING THE SAME  
A high-strength cold-rolled steel sheet includes, as a component composition, by mass %: C: 0.075% to 0.300%; Si: 0.30% to 2.50%; Mn: 1.30% to 3.50%; P: 0.001% to 0.050%; S: 0.0001% to 0.0100%;...
US20140150930 HOT PRESS FORMING STEEL PLATE, FORMED MEMBER USING SAME, AND METHOD FOR MANUFACTURING THE PLATE AND MEMBER  
The present invention relates to a hot press forming steel plate made of a composition comprising: 0.3-1.0 wt % of C; 0.0-4.0 wt % of Mn; 1.0-2.0 wt % of Si; 0.01-2.0 wt % of Al; 0.015 wt % or...
US20140261920 METHOD FOR MANUFACTURING MECHANICAL PARTS, AND MOLD AND SYSTEM THEREOF  
A method for manufacturing a mechanical part by hot stamping, and a mold and a system thereof. The method includes: heating a steel plate blank at a predetermined heating temperature; and placing...
US20150090372 Recrystallization, Refinement, and Strengthening Mechanisms For Production Of Advanced High Strength Metal Alloys  
This disclosure deals with a class of metal alloys with advanced property combinations applicable to metallic sheet production. More specifically, the present application identifies the formation...
US20150000802 HOT-PRESS FORMED PRODUCT AND METHOD FOR MANUFACTURING SAME  
Provided is a hot-press molded article that can achieve a high level of balance between high strength and extension by region and has a region corresponding to an energy absorption site and a...
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...
US20150083284 FLOW FORMING METHOD  
A method of forming a shaped article. The method comprises providing a pre-form 40 comprising a chromium molybdenum vanadium steel alloy, heat treating the pre-form to obtain a surface hardness of...
US20150007912 METHOD FOR MANUFACTURING FERROUS MATERIAL  
A base material of a ferrous material is heated to an AC1 point, which is a temperature to cause mustenite appearance, or higher, and austenite appears in the base material 1a and 1b (S101). An...
US20140367002 HOT-PRESS FORMED PRODUCT AND METHOD FOR MANUFACTURING SAME  
A hot-press formed product can be achieved which has regions corresponding to a shock resistant portion and an energy absorption portion within a single formed product without applying a welding...
US20130180635 PRESS-FORMED PRODUCT AND METHOD FOR PRODUCING SAME  
There is provided a useful method for producing a press-formed product without causing disadvantages such as hardness variation, which product has favorable formability in a level so as to be able...
US20120318415 SIDE RAIL AND METHOD FOR PRODUCING A HOT-FORMED AND PRESS-HARDENED SIDE RAIL  
A side rail and to a method for producing a side rail are disclosed. The side rail has a region of a first type and a region of a second type which have mutually different strengths. A transition...
US20070012386 High strength steel plate and method for manufacturing the same  
A high strength steel plate containing 0.02 to 0.08% C, by mass, and has substantially a two phase microstructure of ferrite and bainite. The ferrite contains precipitates having a particle size...
US20140096876 HIGH STRENGTH PRESS-FORMED MEMEBER AND METHOD FOR MANUFACTURING THE SAME  
A method for manufacturing a high strength press-formed member includes preparing a steel sheet having the composition including by mass %: C: 0.12% to 0.69%, Si: 3.0% or less, Mn: 0.5% to 3.0%,...
US20140011044 STEEL FOIL FOR SOLAR CELL SUBSTRATE AND MANUFACTURING METHOD THEREFOR, AND SOLAR CELL SUBSTRATE, SOLAR CELL AND MANUFACTURING METHODS THEREFOR  
A steel foil for a solar cell substrate includes 7% to 40% by mass of Cr and has a tensile strength of 930 MPa or more in a direction perpendicular to the rolling direction.
US20130118656 METHODS OF FORMING AND AUSTEMPERING A DUCTILE IRON ARTICLE AND ARTICLE MADE THEREBY  
A method of making a ductile iron article is disclosed. The method includes providing a ductile iron article preform. The method also includes deforming the ductile iron article preform by...
US20070199630 HIGH SPEED TOOL STEEL AND ITS MANUFACTURING METHOD  
A high speed tool steel, which is high in impact value and free from variations in tool performance, comprising, by mass %, of: 0.4≦C≧0.9; Si≦1.0; Mn≦1.0; 4≦Cr≧6; 1.6-6 in total of either or both...
US20110017363 HIGH STRENGTH THIN STEEL SHEET EXCELLING IN WELDABILITY AND PROCESS FOR PRODUCING THE SAME  
Provided are a high strength thin steel sheet having tensile strength of about 800 MPa or more, and a manufacturing method thereof. The thin steel sheet is mainly used for construction materials,...

Matches 1 - 50 out of 72 1 2 >