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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...
US20110315275 METHOD OF TREATING PARTS FOR KITCHEN UTENSILS  
A method for processing parts for kitchen tools in order to protect the parts from scratches, includes sequentially: a nitridation step, optionally including a nitrocarburizing step, between 592...
US20120298262 HIGH STRENGTH STEEL AND HIGH STRENGTH BOLT EXCELLENT IN DELAYED FRACTURE RESISTANCE AND METHODS OF PRODUCTION OF SAME  
A steel which is excellent in delayed fracture resistance containing, by mass %, C: 0.10 to 0.55%, Si: 0.01 to 3%, and Mn: 0.1 to 2%, further containing one or more of Cr: 0.05 to 1.5%, V: 0.05 to...
US20130087250 STEEL FOR NITRIDING AND NITRIDED PART  
The present invention provides a steel for nitriding with a composition including, by mass %: C: 0.10% to 0.20%; Si: 0.01% to 0.7%; Mn: 0.2% to 2.0%; Cr: 0.2% to 2.5%; Al: 0.01% to less than 0.19%;...
US20120080122 Steel for nitriding use and nitrided part  
The present invention lowers the strength before nitriding to improve the machinability, while deepens the effective hardened case of the nitrided case for improving the fatigue strength. It...
US20050241733 Superfine grain steel having nitrided layer  
An ultra fine grain steel has a ferrite grain structure having an average grain size of 3 μm or less and has a nitride layer formed on a surface of the steel. The nitride layer is formed without ...
US20120048427 STEEL FOR NITROCARBURIZING, NITROCARBURIZED STEEL PART, AND PRODUCING METHOD OF NITROCARBURIZED STEEL PART  
Steel for nitrocarburizing includes, by mass %, C: 0% to less than 0.15%; Si: 0.01% to 1.00%; Mn: 0.01% to 1.00%; S: 0.0001% to 0.050%; Al: 0.0001% to 0.050%; Ti: more than 0.50% to 1.50%; N:...
US20130180626 STEEL FOR MACHINE STRUCTURAL PURPOSES FOR SURFACE HARDENING USE AND STEEL PARTS FOR MACHINE STRUCTURAL PURPOSES AND METHOD OF PRODUCTION OF SAME  
A steel for surface hardening for machine structural use which is characterized by containing, in terms of mass %, 0.30-0.60% C, 0.02-2.0% Si, 0.35-1.5% Mn, 0.001-0.5% Al, 0.05-2.0% Cr, 0.001-1.0%...
US20130220489 STEEL FOR MACHINE STRUCTURE USE FOR SURFACE HARDENING AND STEEL PART FOR MACHINE STRUCTURE USE  
Steel for machine structure use for surface hardening containing, by mass %, C: 0.3 to 0.6%, Si: 0.02 to 2.0%, Mn: 1.5% to 3.0%, W: 0.0025 to 0.5%, Al: 0.001 to 0.5%, N: 0.003 to 0.02%, S: 0.0001...
US20110041959 STEEL FOR MACHINE STRUCTURE USE FOR SURFACE HARDENING AND STEEL PART FOR MACHINE STRUCTURE USE  
Steel for machine structure use for surface hardening containing, by mass %, C: 0.3 to 0.6%, Si: 0.02 to 2.0%, Mn: 1.5% to 3.0%, W: 0.0025 to 0.5%, Al: 0.001 to 0.5%, N: 0.003 to 0.02%, S: 0.0001...
US20140048181 Flat Steel Product and Method for Producing a Flat Steel Product  
A flat steel product, intended to be formed into a component by hot press forming and having a base made of steel, onto which a metal anti-corrosion coating of a Zn or a Zn alloy is applied. A...
US20110000583 Rolling part and manufacturing method thereof  
A rolling part formed by performing spheroidizing annealing, processing, carbonitriding and finishing on a steel material containing C in an amount of 0.90 mass % to 1.10 mass %, Si in an amount of...
US20110284133 CARBONITRIDED PART AND PROCESS FOR PRODUCING CARBONITRIDED PART  
A carbonitrided part, where a base steel contains, in mass percent, C: 0.10 to 0.35%, Si: 0.15 to 1.0%, Mn: 0.30 to 1.0%, Cr: 0.40 to 2.0%, S≦0.05%, and according to need further Mo≦0.50%, with the...
US20120031249 Method for refining texture of ferrous material, and ferrous material and blade having microscopic texture  
A method for refining the texture of a ferrous material. The method includes a first step and a second step. The first step includes a step of making carbide particles in a portion of a base...
US20120247618 HIGH STRENGTH STEEL MATERIAL AND HIGH STRENGTH BOLT EXCELLENT IN DELAYED FRACTURE RESISTANCE AND METHODS OF PRODUCTION OF SAME  
A high strength steel material which is excellent in delayed fracture resistance containing, by mass %, C: 0.10 to 0.55%, Si: 0.01 to 3%, and Mn: 0.1 to 2%, further containing one or both of V:...
US20130327445 MOLTEN-SALT BATH FOR NITRIDING MECHANICAL PARTS MADE OF STEEL, AND IMPLEMENTATION METHOD  
A molten-salt bath for nitriding mechanical steel parts, essentially consisting of the following (the contents being expressed in wt %): 25 to 60 wt % of alkali-metal chlorides; 10 to 40 wt % of...
US20080000550 Salt Bath Ferritic Nitrocarburizing of Brake Rotors  
Ferritic nitrocarburized surface treatment of cast iron brake rotors providing oxidation resistance, good braking performance and absence of distortion. Machined brake rotors are pre-heated, then...
US20100273538 NITRIDING STAINLESS STEEL FOR CONSUMER ELECTRONIC PRODUCTS  
A cost effective system, method and apparatus adapted to provide a nitride layer on stainless steel used for the manufacture of consumer electronic products. In addition to providing a durable,...
US20090056835 Pair of guiding elements of which one is made of specific steel leading to improved anti-seizing performances  
A pair of guiding elements is characterized in that at least one of its elements is made of a steel containing at least 0.15 to 0.3% by weight of carbon, 2 to 5% (preferably 2 to 3%) by weight of...
US20050236070 Plasma-nitriding of maraging steel, shaver cap for an electric shaver, cutting device made out of such steel and an electric shaver  
The invention relates to a method for the plasma-nitriding of precipitation-hardenable stainless steels or stainless maraging steels. The invention also relates to a shaver cap for an electric...
US20090293998 Oil-Tempered Wire and Method of Producing the Same  
An oil-tempered wire that has high fatigue strength and toughness after the nitriding treatment, and a method of producing the same, and a spring using the oil-tempered wire are provided. The...
US20120031529 MARAGING STEEL STRIP  
Provided is a maraging steel strip which has such a composition that can reduce the content of TiN acting as the starting point of fatigue fracture in a high-cycle region, and the bending fatigue...
US20120305139 PROCESS FOR COATING STEEL STRIPS AND COATED STEEL STRIP  
In a method for coating steel strips having a base material composition (in weight-%) of: C 0.04-1.0; Mn 9.0-30.0; Al 0.05-15.0; Si 0.05-6.0; Cr≦6.5; Cu≦4; Ti+Zr≦0.7; Nb+V≦0.5, remainder iron in...
US20060102253 Surface modified stainless steel  
A stainless steel, which after nitriding exhibits a hardened surface layer with a hardness of at least 1200 Hv is disclosed. The stainless steel can be in the form of wire, plate, strip, tube and...
US20070034301 Rolling-contact shaft with joint claw  
A steel-made rolling-contact shaft with a joint claw improved in both the rolling contact fatigue life at the raceway and the static fracture strength (torsional strength) at the claw includes a...
US20120186703 NITRIDING OF NIOBIUM STEEL AND PRODUCT MADE THEREBY  
A nitrided steel product or thin cast steel strip comprising, by weight, less than 0.25% carbon, between 0.20 and 2.0% manganese, between 0.05 and 0.50% silicon, less than 0.01% aluminum, niobium...
US20080000553 Soft-nitrided parts made of non-heat treated steel  
Soft-nitrided parts wherein a ferrite grain in the diffusion layer does not have a γ′ nitride of more than 20 μm in the longitudinal axis, which is made of a non-heat treated steel that has a che...
US20110277886 NITRIDING OF NIOBIUM STEEL AND PRODUCT MADE THEREBY  
A nitrided steel product or thin cast steel strip comprising, by weight, less than 0.25% carbon, between 0.20 and 2.0% manganese, between 0.05 and 0.50% silicon, less than 0.01% aluminum, niobium...
US20120222777 PROCESS TO MANUFACTURE GRAIN-ORIENTED ELECTRICAL STEEL STRIP AND GRAIN-ORIENTED ELECTRICAL STEEL PRODUCED THEREBY  
A process to manufacture grain-oriented electrical steel (GOES) strip and a product produced by the process are provided. A molten silicon-alloyed steel is continuously cast in a strand having a...
US20120318407 SPRING STEEL AND SURFACE TREATMENT METHOD FOR STEEL MATERIAL  
A surface treatment method for a steel material includes carbonitriding, quenching, and tempering. The steel material consists of, by weight %, 0.27 to 0.48% of C, 0.01 to 2.2% of Si, 0.30 to 1.0%...
US20130126048 Nitrogen Alloyed Martensitic Stainless Steel and Process  
The present invention comprises a process for nitriding martensitic stainless steel and the alloy produced thereby comprising heating a stainless steel alloy to a temperature of from about 900° F. ...
US20090065098 HIGH-STRENGTH STEEL EXCELLENT IN WELDABILITY AND PROCESS FOR PRODUCTION THEREOF  
The present invention provides a high-strength steel material capable of suppressing formation of blowholes during welding even if the strength thereof is improved by nitriding, and a method of...
US20060225814 Crankshaft and method for manufacturing same  
A surface of a steel, as a material for a crankshaft, is nitrocarburized. The steel contains, as alloy elements C having a content 0.10 mass % or more 0.30 mass % or less, Si having a content 0.5...
US20120168035 STEEL FOR MACHINE STRUCTURAL USE, MANUFACTURING METHOD FOR SAME, CASE HARDENED STEEL COMPONENT, AND MANUFACTURING METHOD FOR SAME  
Disclosed is a steel for machine structural use including 0.05-0.8% of C, 0.03-2% of Si, 0.2-1.8% of Mn, 0.1-0.5% of Al, 0.0005-0.008% of B, and 0.002-0.015% of N, and including 0.03% of P or less...
US20140034194 STEEL FOR NITRIDING AND NITRIDED COMPONENT  
A steel for nitriding having a chemical composition consisting of, by mass percent, C: 0.07-0.14%, Si: 0.10-0.30%, Mn: 0.4-1.0%, S: 0.005-0.030%, Cr: 1.0-1.5%, Mo: ≦0.05% (including 0%), Al: 0...
US20070144619 Nitrocarburized microalloyed steel member  
A nitrocarburized microalloyed steel member consists of a microalloyed steel that includes a nitrocarburized layer on a surface, a cross-sectional structure of which steel except for the...
US20110079326 METHOD TO INCREASE CORROSION RESISTANCE IN FERRITIC NITROCARBURIZED TREATED CAST IRON SUBSTRATES  
A method for improving corrosion resistance in FNC cast iron substrates without the need for additional coating or painting. The exemplary methods remove a portion of the FNC coating applied to a...
US20140048180 METHOD FOR SOLUTION HARDENING OF A COLD DEFORMED WORKPIECE OF A PASSIVE ALLOY, AND A MEMBER SOLUTION HARDENED BY THE METHOD  
The invention relates to a method for method for formation of expanded austenite and/or expanded martensite by solution hardening of a cold deformed workpiece of a passive alloy, which method...
US20140099051 ROLLING SLIDING MEMBER, METHOD OF MANUFACTURING THE SAME, AND ROLLING BEARING  
A steel material which contains 0.16 to 0.19% of carbon by mass, 0.15 to 0.35% of silicon by mass, 0.20 to 1.55% of manganese by mass, and 2.5 to 3.2% of chromium by mass, of which remaining part...
US20080035246 Thrust bearing component  
A thrust bearing component is formed of cold-reduced steel sheets and strip having surface roughness of Rmax≦2 μm and provided by cold rolling a high-carbon steel containing 0.9 wt % to 1.2 wt % of...
US20080023113 High strength gear, power transmission mechanism using same, and production method for high strength gear  
A high strength gear used as an element of a power transmission mechanism. The gear includes a base gear formed of an iron-based alloy subjected to carburizing or carbonitriding treatment. The base...
US20140000764 PLASTIC PROCESSING COMPONENT WITH MODIFIED STEEL SURFACE  
The invention relates to a component for processing plastic, the surface of said component being modified. The surface base material is steel, and according to the invention nitrogen is preferably...
US20110209798 GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREOF  
Nitriding process of a steel strip is performed. Next, annealing is performed to form a forsterite based glass coating film at a surface of the steel strip. Heating is performed up to 1000° C. or ...
US20090218011 METHOD FOR MANUFACTURING A STAINLESS STEEL PRODUCT  
The invention relates to a method for making a thin finished product to be formed by deformation that combines strength with resistance to a highly corrosive environment. The method comprises...
US20100108199 Ferrous abrasion resistant sliding material  
A ferrous abrasion resistant sliding material capable of improving seizing resistance, abrasion resistance and heat crack resistance is provided. The ferrous abrasion resistant sliding material has...
US20050045248 Contact pressure-resistant member and method of making the same  
A contact pressure-resistant member including a rolling contact portion having a carbon concentration ranging from 0.8 to 1.2%. The contact pressure-resistant member is made of a steel material...
US20120325373 METHOD FOR TREATMENT OF METAL SURFACE, AND SURFACE-MODIFIED METAL PRODUCT  
Provided is a method of treating a metal surface, which can improve surface properties of a target metal, such as surface hardness and wear resistance in a simple manner and at low cost using very...
US20090276992 METHOD FOR MANUFACTURING RACEWAY MEMBER, METHOD FOR MANUFACTURING VALVE TRAIN AND RACEWAY MEMBER  
A method for manufacturing a raceway member, in which a hardness of a region to be plastically deformed is controllable in a stable manner and a sufficient rolling contact fatigue life is ensured...
US20140041762 METHOD OF HEAT TREATING A STEEL COMPONENT  
Method for heat treating a steel component (28, 36) to provide the steel component (28, 36) with a surface having improved wear resistance. The method comprises the steps of carbonitriding the...
US20100037991 DIFFUSION PROMOTERS FOR LOW TEMPERATURE CASE HARDENING  
Low temperature carburization of a workpiece surface is accomplished faster by impregnating the surface with a diffusion promoter prior to or during the low temperature carburization process.
Matches 1 - 50 out of 81 1 2 >