Matches 1 - 50 out of 182 1 2 3 4 >


Match Document Document Title
8980022 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...
8951365 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...
8920581 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...
8876988 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...
8845825 High strength spring-use heat treated steel  
The present invention provides spring use heat treated steel which is cold coiled, can achieve both sufficient atmospheric strength and coilability, has a tensile strength of 2000 MPa or more, and...
8844140 Rolling bearing of ceramic and steel engaging parts  
A roller bearing having two cooperating rolling parts of which one is of ceramic and the other of a steel. The steel part is of such structure and/or material and/or is so produced to cause...
8808471 Martensitic stainless steel strengthened by copper-nucleated nitride precipitates  
A martensitic stainless steel alloy is strengthened by copper-nucleated nitride precipitates. The alloy includes, in combination by weight percent, about 10.0 to about 12.5 Cr, about 2.0 to about...
8808469 Nitrocarburized raw material for crankshafts and method for manufacturing the same  
It is devised to further enhance strength and straightening ability of a nitrocarburized raw material for crankshafts. A nitrocarburized raw material for crankshafts is formed so as to have a...
8753457 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....
8747574 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...
8747572 Carbonitriding method, machinery component fabrication method, and machinery component  
A carbonitriding method that allows the permeating rate of nitrogen to be increased to improve the efficiency of the carbonitriding process is directed to carbonitriding a workpiece formed of...
8709173 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 %...
8685177 Manufacturing method for a crankshaft member  
The invention relates to a crankshaft member having high fatigue strength and good bending correctability, and its method of manufacture. The steel made crankshaft member mainly consists of a...
8647448 Nitratable steel piston rings and steel cylindrical sleeves, and casting method for the production thereof  
A steel piston ring and a steel cylinder liner are described which comprise as the main body a steel composition which has good nitridability. The steel composition consists of the following...
8597437 Biocompatible material made of stainless steel having a martensitic surface layer  
A biocompatible material is made of a rust-resistant, alloyed stainless steel which is configured with at least one martensitic surface layer which is formed by a heat treatment with nitrogen case...
8597438 Use and method of producing a dispersion strengthened steel as material in a roller for a roller hearth furnace  
A roller for a roller hearth furnace comprising a dispersion strengthened steel is disclosed. The roller does not require any coating or reconditioning.
8485730 Rolling bearing  
An outer ring and an inner ring of a rolling bearing are constituted of steel containing 0.77 to 0.85% of carbon, 0.01 to 0.25% of silicon, 0.01 to 0.35% of manganese, 0.01 to 0.15% of nickel,...
8475605 Surface layer-hardened steel part and method of manufacturing the same  
In the steel for a surface layer hardening which is treated with carburizing in a temperature range of 800° C. to 900° C., chemical composition thereof contains, by mass %, C: 0.10% to 0.60%, Si:...
8453528 Mechanical component and rolling bearing  
An outer ring, an inner ring and a ball serving as mechanical components configuring a deep groove ball bearing are formed of steel containing at least 0.11 mass % and not more than 0.15 mass % of...
8425690 Bearing part, heat treatment method thereof, and rolling bearing  
A bearing part comprising steel subjected to carbonitriding at a carbonitriding temperature exceeding the A1 transformation temperature, and cooled to a temperature lower than the A1...
8349094 Dining and/or serving cutlery made of ferritic stainless steel with a martensitic boundary layer  
The invention relates to dining and/or serving cutlery made of a steel material which is formed from a ferritic core with an essentially martensitic boundary layer. In the dining and/or serving...
8337089 Mechanical component and rolling bearing  
An outer ring, an inner ring and a ball serving as mechanical components configuring a deep groove ball bearing are formed of steel containing at least 0.77 mass % and not more than 0.85 mass % of...
8328956 Carbonitrided induction hardened steel part superior in surface fatigue strength at high temperature and method of production of same  
The present invention provides a gear, continuously variable transmission, constant velocity joint, hub, or other steel part superior in surface fatigue strength compared with the past and method...
8317938 Nitratable steel material composition for producing piston rings and cylindrical sleeves  
A steel composition which has good nitridability, in particular for the manufacture of piston rings and cylinder liners, contains the following elements in the following quantities expressed with...
8303168 Device and a method of manufacturing a housing material  
A device has a magnetically shielded component that is magnetically shielded from an external magnetic field, and a housing. The housing is made from a ferritic stainless steel that has an...
8298724 Transition metal nitride, separator for fuel cells, fuel cell stack, fuel cell vehicle, method of manufacturing transition metal nitride, and method of manufacturing separator for fuel cells  
A transition metal nitride obtained by nitriding a base material including an austenitic stainless steel having a Cr concentration of 25% or more includes a first layer (first nitrided layer)...
8287667 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...
8246761 Workpiece designed for rolling stresses and formed of fully hardening steel, and a heat treatment process therefor  
A workpiece is designed for rolling stresses and includes a body having a core zone and a carbonitrided surface zone which surrounds the core zone. The workpiece body is formed of a fully...
8118949 Copper precipitate carburized steels and related method  
A carburized and tempered hardened steel structure includes an iron based steel alloy including from about 3.7 to about 6 wt % copper, from 6 to about 10 wt % cobalt and from about 1 to about 10...
8088230 Rolling apparatus  
A rolling apparatus including an external member having a raceway surface on an inner peripheral surface thereof, an internal member having a raceway surface on an outer peripheral surface...
8083868 Rolling bearing  
A rolling bearing comprises an outer ring, an inner ring and rolling elements rotatably disposed between the outer and inner rings. At least a member selected from the outer ring, inner ring and...
8066826 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...
8007716 Steel wire for high strength spring excellent in workability and high strength  
A steel wire has tempered martensite, comprises, as essential components, by mass, C: 0.53 to 0.68%; Si: 1.2 to 2.5%; Mn: 0.2 to 1.5%; Cr: 1.4 to 2.5%; Al: 0.05% or less; further comprises, as a...
8002907 Bearing's component, heat treatment method thereof, heat treatment apparatus, and rolling bearing  
Obtain a bearing's component, a heat treatment method thereof, and a rolling bearing having a long life against rolling contact fatigue and high anti-crack strength, and suppressed long-term...
7896981 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,...
7763123 Spring produced by a process comprising coiling a hard drawn steel wire excellent in fatigue strength and resistance to setting  
Disclosed is a hard-drawn spring which exhibits fatigue strength and sag resistance equal or superior to springs produced using an oil-tempered wire. The hard-drawn spring is produced using a...
7754028 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...
7731807 Stainless steel sheet for a gasket  
A high-performance stainless steel sheet which has a high strength which is optimal for a gasket for use in high-performance engines of automobiles and motorcycles and which also has excellent...
7655100 Method for preparation of steel material  
A raw steel is coated with or surrounded by a boron compound (step S1). A coating film of h-BN is formed on the surface of the raw steel. Then, the raw steel is nitrided by a nitriding gas while...
7650710 Article with enhanced resistance to thermochemical erosion, and method for its manufacture  
A body of iron, steel or other such ferrous material is protected from thermochemical erosion by a layer of an iron nitride having a relatively low nitrogen content. The atomic percentage of...
7648587 Steel product for use as line pipe having high HIC resistance and line pipe produced using such steel product  
A steel product for a line pipe according to the invention has a composition containing, in mass %, C : 0.03% to 0.15%, Si: 0.05% to 1.0%, Mn: 0.5% to 1.8%, P: 0.015% or less, S: 0.004% or less,...
7648586 Ultra-low carbon stainless steel  
In a surface layer of an ultra-low carbon stainless steel comprising a seal function layer in the surface layer, an ion such as a nitrogen ion is implanted to form the seal function layer. Since...
7622009 Steel material  
A raw steel is coated with or surrounded by a boron compound (step S1). A coating film of h-BN is formed on the surface of the raw steel. Then, the raw steel is nitrided by a nitriding gas while...
7622197 Seasoned ferrous cookware  
A method, and an article produced thereby, of providing a corroson-resistant, scratch-resistant, and stick-resistant, surface on a ferrous-metal-containing article, including forming microcavities...
7582170 Method for micromachining metallic materials  
A process for the low-wear micromachining of workpieces made from metal or metal alloys, in particular steel, in which a workpiece (1) is micromachined using at least one machining apparatus (5)...
7556700 Ice skate blade produced by pulse plasma nitriding  
A process to manufacture ice skate blades and the ice skate blades that result from this process where the blades of made from a nitridable steel hardened to a medium hardness (Rockwell C 38-55)...
7544255 Rolling element  
Various inexpensive rolling elements for use under high interface pressure such as induction hardened gears are provided, which have improved seizure resistance at tooth flanks and a temper...
7507303 Carbonitrided low manganese carbon steel alloy driveline component  
An alloy composition forms a steel having low manganese content, low silicon content, and medium carbon content. The alloy composition comprises in combination, by weight, about 0.3 to 0.5% carbon...
7459034 Steel hoop made from a martensitic steel strip  
A steel strip made of martensitic steel contains C+N at not more than 0.12 wt %, Si at not more than 1 wt %, Mn at not more than 7 wt %, Ni at 2 to 24 wt %, Cr at 2 to 16 wt %, Mo at not more than...
7334943 Differential support structure, differential's component, method of manufacturing differential support structure, and method of manufacturing differential's component  
A structure supporting a differential rotatably includes an inner ring arranged at the differential, an outer ring arranged at an external peripheral portion formed to surround the differential,...

Matches 1 - 50 out of 182 1 2 3 4 >