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US20120298263 METHOD OF MAKING HYPEREUTECTOID, HEAD-HARDENED STEEL RAIL  
A method of making a hypereutectoid, head-hardened steel rail is provided that includes a step of head hardening a steel rail having a composition containing 0.86-1.00 wt % carbon, 0.40-0.75 wt %...
US20060130945 Steel pipe for an airbag system and a method for its manufacture  
A high strength steel pipe for an airbag system has a steel composition comprising C: 0.05-0.20%, Si: 0.1-1.0%, P: at most 0.025%, S: at most 0.010%, Cr: 0.05-1.0%, Al: at most 0.10%, at least one...
US20120031532 Steel plate for line pipe excellent in strength and ductility and method of production of same  
The present invention provides steel plate for line pipe excellent in strength and ductility and a method of production of the same. The steel plate has a steel composition containing, by mass %,...
US20130153092 METHOD OF PRODUCTION OF WELDED JOINT  
A method of production of a welded joint which enables improvement of the fatigue strength in the case where measures for improvement of the fatigue strength cannot be applied due to the presence...
US20130040220 OXIDATION-RESISTANT FERRITIC STAINLESS STEEL, METHOD OF MANUFACTURING THE SAME, AND FUEL CELL INTERCONNECTOR USING THE FERRITIC STAINLESS STEEL  
An oxidation-resistant ferritic stainless steel comprising: a ferritic stainless steel comprising Cr, wherein a {110} grain orientation fraction of a surface of the ferritic stainless steel as...
US20110017362 STEEL FLAT PRODUCT HAVING A METALLIC COATING WHICH PROTECTS AGAINST CORROSION AND METHOD FOR PRODUCING A METALLIC ZN-MG COATING, WHICH PROTECTS AGAINST CORROSION, ON A STEEL FLAT PRODUCT  
A steel flat product having a Zn—Mg—Al coating. The coating, which in addition to zinc and unavoidable impurities, comprises in wt. %: Mg: 4-8%, Al: 0.5-1.8% and optionally one or more of the...
US20090308503 ROD OR WIRE MANUFACTURING SYSTEM, RELATED METHODS, AND RELATED PRODUCTS  
A cooling unit, a heating-cooling operation including a cooling unit, a rod or wire manufacturing system, a method for manufacturing a rod or wire, a method for heat treating of a rod or wire, a...
US20130133789 STEEL WIRE OF SPECIAL STEEL AND WIRE ROD OF SPECIAL STEEL  
A predetermined composition is had, when a C content is represented by (C %), in a case of (C %) being not less than 0.35% nor more than 0.65%, a volume fraction of pearlite is 64×(C %)+52% or...
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...
US20120118443 NON-HEAT TREATED ROLLED STEEL AND DRAWN WIRE ROD WITH EXCELLENT TOUGHNESS, AND METHOD FOR MANUFACTURING THE SAME  
There is provided a rolled steel with excellent toughness, a drawn wire rod prepared by drawing the rolled steel, and a method for manufacturing the same, in which even if a heating step is...
US20150010775 HOT STAMPED STEEL AND METHOD FOR PRODUCING HOT STAMPED STEEL  
A hot stamped steel according to the present invention satisfies an expression of (5×[Si]+[Mn])/[C]>11 when [C] represents an amount of C by mass %, [Si] represents an amount of Si by mass %, and...
US20120227872 ULTRA-HIGH-STRENGTH STEEL WIRE HAVING EXCELLENT RESISTANCE TO DELAYED FRACTURE AND MANUFACTURING METHOD THEREOF  
An ultra-high-strength steel wire rod having excellent resistance to delayed fracture includes, by wt %, 0.7-1.2% C, 0.25-0.5% Si, 0.5-0.8% Mn, 0.02-0.1% V and a balance of Fe and inevitable...
US20150050519 HOT STAMPED STEEL AND METHOD FOR PRODUCING THE SAME  
In a hot stamped steel, when [C] represents an amount of C (mass %), [Si] represents an amount of Si (mass %), and [Mn] represents an amount of Mn (mass %), an expression of 5×[Si]+[Mn])/[C]>10 is...
US20120168039 CRYOGENIC TREATMENT OF MARTENSITIC STEEL WITH MIXED HARDENING  
The invention relates to a method for producing martensitic steel that comprises a content of other metals such that the steel can be hardened by an intermetallic compound and carbide...
US20150114524 HIGH STRENGTH COLD-ROLLED STEEL SHEET EXHIBITING LITTLE VARIATION IN STRENGTH AND DUCTILITY, AND MANUFACTURING METHOD FOR SAME  
In a high strength cold-rolled steel plate having a specific chemical composition, a soft first phase (ferrite) has an area ratio of 20-50%, the remainder being a hard second phase (tempered...
US20110226389 PEARLITE RAIL  
A pearlite rail contains, by mass %, 0.65 to 1.20% of C; 0.05 to 2.00% of Si; 0.05 to 2.00% of Mn; and the balance composed of Fe and inevitable impurities, wherein at least part of the head...
US20140322559 High-Strength Flat Steel Product and Method for Producing Same  
A flat steel product having a tensile strength of at least 1200 MPa and consists of steel containing (wt %) C: 0.10-0.50%, Si: 0.1-2.5%, Mn: 1.0-3.5%, Al: up to 2.5%, P: up to 0.020%, S: up to...
US20120060980 MARTENSITIC WIRE WITH THIN POLYMER COATING  
An elongated steel element (12) with a martensite, tempered martensite, bainite or sorbite structure has a polymer coating (16) with a thickness lower than 20 μm immediately upon the elongated...
US20110168302 HIGH-STRENGTH ULTRATHIN STEEL WIRE AND METHOD OF MANUFACTURING THE SAME  
The present invention provides a steel wire, including chemical components of: C: 0.7-1.2 mass %; Si: 0.05-2.0 mass %; and Mn: 0.2-2.0 mass %, with a balance including Fe and inevitable...
US20070051432 STEEL WIRE ROD HAVING EXCELLENT DRAWABILITY AND FATIGUE PROPERTIES, AND MANUFACTURING METHOD OF THE SAME  
A steel wire rod is obtained, in which a gas flow rate during gas stirring in molten steel treatment is controlled to be 0.0005 Nm3/min to 0.004 Nm3/min per molten steel of 1 ton, thereby the rod...
US20130180305 Method for Producing a Flat Steel Product which can be Readily Formed, Flat Steel Product and Method for Producing a Component from such a Flat Steel Product  
A readily formable flat steel product has a ductile edge layer that is from 10 to 200 μm thick and has a ductility greater than a ductility of an inner core layer of the flat steel product. The...
US20090101245 Method for Surface Cooling Steel Slabs to Prevent Surface Cracking, and Steel Slabs Made by That Method  
A method is provided for the continuous casting, cutting, and continued heat treatment of steel slabs, particularly those having cracking-prone alloy formulations, without requiring the use of...
US20070051434 Ready-use low-carbon steel mechanical component for plastic deformation and method for making same  
A ready-for-use low-carbon steel mechanical component, like wheel swivel joints of terrestrial vehicles, pins, shafts, suspension bars, links . . . with elevated characteristics obtained by a hot...
US20110303330 Steel sheet heating device, method for producing press-formed part, and press-formed part  
It is provided a steel sheet heating device that heats a flat steel sheet, including: a hot plate having a flat heating surface brought into close contact with the steel sheet; and a plurality of...
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%...
US20060243355 Stabilizer bar  
A tubular stabilizer bar for a vehicle suspension is formed from an as-quenched steel material that is not subjected to a tempering process, and which has a hardness of at least 40 Rockwell C. The...
US20140283952 MAGNETIC AND ELECTRICAL PROCESSING OF METALS, METAL ALLOYS, METAL MATRIX COMPOSITE PARTS AND COMPONENTS  
A method of processing a metal for improved damping of a metal part is provided. The method comprises placing the metal part inside a current carrying coil and closing a circuit for to apply...
US20120222781 HIGH STRENGTH STEEL PLATE WITH ULTIMATE TENSILE STRENGTH OF 900 MPa OR MORE EXCELLENT IN HYDROGEN EMBRITTLEMENT RESISTANCE AND METHOD OF PRODUCTION OF SAME  
High strength steel plate with an ultimate tensile strength of 900 MPa or more which is excellent in hydrogen embrittlement resistance characterized in that, in the structure of the steel plate,...
US20050145306 Welded joints with new properties and provision of such properties by ultrasonic impact treatment  
Non-detachable welded joints with certain new or improved properties and the provision of such non-detachable welded joints by ultrasonic impact treatment, is described involving conforming to...
US20150204386 CAGE FOR CONSTANT VELOCITY UNIVERSAL JOINT, FIXED TYPE CONSTANT VELOCITY UNIVERSAL JOINT INCORPORATING SAME, AND DRIVE SHAFT INCORPORATING SAID FIXED TYPE CONSTANT VELOCITY UNIVERSAL JOINT  
Provided is a cage (5, 65, 95) for a constant velocity universal joint, which is formed into a ring shape with a substantially uniform thickness, including a plurality of pockets (20, 80, 110)...
US20110155290 CASE HARDENING STEEL, CARBURIZED COMPONENT, AND MANUFACTURING METHOD OF CASE HARDENING STEEL  
This case hardening steel has a chemical composition including, by mass %: C: 0.1 to 0.6%; Si: 0.02 to 1.5%; Mn: 0.3 to 1.8%; P: 0.025% or less; S: 0.001 to 0.15%; Al: over 0.05 to 1.0%; Ti: 0.05...
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...
US20140251513 HIGH-STRENGTH HOT ROLLED STEEL SHEET WITH EXCELLENT BENDABILITY AND LOW-TEMPERATURE TOUGHNESS, AND METHOD FOR MANUFACTURING THE SAME  
A high-strength hot rolled steel sheet with excellent bendability and low-temperature toughness includes a chemical composition including, in mass %, C: 0.08 to 0.25%, Si: 0.01 to 1.0%, Mn: 0.8 to...
US20070240794 Ultrahigh strength UOE steel pipe and a process for its manufacture  
A UOE steel pipe for use in linepipe having an ultrahigh strength in the circumferential direction of the pipe of at least 750 MPa and at most 900 MPa and having improved toughness in the base...
US20120037283 High-Strength, High-Toughness Steel Wire Rod, and Method for Manufacturing Same  
Provided are a high-strength, high-toughness steel wire rod and a method of manufacturing the same. The steel wire rod has a composition including 0.07 wt % to 0.14 wt % of aluminum (Al) and...
US20100065166 STEEL PIPE WITH EXCELLENT EXPANDABILITY AND METHOD FOR PRODUCING THE SAME  
A steel pipe with excellent expandability, comprises, by mass %, C: 0.1 to 0.45%, Si: 0.3 to 3.5%, Mn: 0.5 to 5%, P: less than or equal to 0.03%, S: less than or equal to 0.01%, soluble Al: 0.01...
US20050034795 Highly impact-resistant steel pipe and method for producing the same  
A highly impact-resistant member has a round or square sectional shape, that is excellent in strength and toughness, does not undergo the deterioration of toughness in the vicinity of the welded...
US20090229710 METHOD FOR PRODUCTION OF STEEL MATERIAL HAVING EXCELLENT SCALE DETACHMENT PROPERTY, AND STEEL WIRE MATERIAL HAVING EXCELLENT SCALE DETACHMENT PROPERTY  
The present invention aims at providing a method for production of a steel product which surely retains scale during cooling, storage, and transportation and permits scale to scale off easily at...
US20140227546 QUENCHED AND PARTITIONED HIGH-CARBON STEEL WIRE  
A high-carbon steel wire has as steel composition: a carbon content ranging from 0.40 weight percent to 0.85 weight percent, a silicon content ranging from 1.0 weight percent to 2.0 weight...
US20060048864 Hot milled wire rod excelling in wire drawability and enabling avoiding heat treatment before wire drawing  
A hot-rolled wire rod: the wire rod being a hot-rolled wire rod 5.0 mm or more in diameter, containing in mass C: 0.6 to 1.0%, Si: 0.1 to 1.5%, Mn: 0.3 to 1.0%, P: 0.02% or less, and S: 0.02% or...
US20130213529 HIGH-STRENGTH COLD ROLLED STEEL SHEET HAVING EXCELLENT DEEP DRAWABILITY AND BAKE HARDENABILITY AND METHOD FOR MANUFACTURING THE SAME  
A high-strength cold rolled steel sheet having excellent deep drawability and bake hardenability, with a tensile strength ≧440 MPa, an average r-value ≧1.20 and a bake hardening value ≧40 MPa, is...
US20130087256 STEEL WIRE WITH HIGH STRENGTH FOR COLD FORGING TO IMPROVE SERVICE LIFE OF MOLD AND METHOD OF MANUFACTURING THE SAME  
The present invention relates to a pre-heat treatment steel wire with high strength for a cold forging which is used as a material for an engine, chassy and parts (bolts and shafts) of a steering...
US20140182751 HEAT TREATMENT METHOD OF TURNOUT TRACK AND THE TURNOUT TRACK  
The present invention provides a heat treatment method of turnout track comprising performing an accelerated cooling on the turnout track to be treated having a railhead tread with a temperature...
US20110253268 HIGH CARBON CONTENT AND HIGH STRENGTH HEAT-TREATED STEEL RAIL AND METHOD FOR PRODUCING THE SAME  
A high carbon content and high strength heat-treated steel rail including by weight 0.80-1.20% carbon, 0.20-1.20% silicon, 0.20-1.60% manganese, 0.15-1.20% chromium, 0.01-0.20% vanadium,...
US20120305146 NON-QUENCHED AND TEMPERED STEEL HAVING ULTRAFINE GRAINED PEARLITE STRUCTURE AND METHOD OF MANUFACTURING THE SAME  
This invention relates to a method of manufacturing non-quenched and tempered steel having an ultrafine grained pearlite structure, including hot forging a steel material so as to be...
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%,...
US20140326369 STEEL FOR MECHANICAL STRUCTURE FOR COLD WORKING, AND METHOD FOR MANUFACTURING SAME  
Provided are a steel for a mechanical structure for cold working, and a method for manufacturing the same, whereby softening and variations in hardness can be reduced even when a conventional...
US20130048159 HIGH-STRENGTH AND HIGH-TOUGHNESS ULTRAFINE WIRE ROD AND METHOD FOR PRODUCING SAME  
Provided is an ultra-fine grained, high-strength, high-toughness carbon steel wire rod manufactured through control of a microstructure by process control without addition of relatively expensive...
US20140212324 FINE CRYSTALLITE HIGH-FUNCTION METAL ALLOY MEMBER AND METHOD FOR MANUFACTURING SAME  
Provided by the present invention are a fine crystallite high-function metal alloy member, a method for manufacturing the same, and a business development method thereof, in which a crystallite of...
US20150041023 Fe-BASED METAL PLATE AND METHOD OF MANUFACTURING THE SAME  
On at least one surface of a base metal plate (1) of an α-γ transforming Fe or Fe alloy, a metal layer (2) containing ferrite former is formed. Next, the base metal plate (1) and the metal layer...
Matches 1 - 50 out of 345 1 2 3 4 5 6 7 >