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Matches 1 - 50 out of 94,322

Document Document Title
WO/2018/011301A1
Martensitic heat-resistant steel for boiler applications with a unique combination of enhanced creep strength and excellent oxidation resistance upon high temperature exposure in steam containing environments., having the following melt ...  
WO/2018/011445A1
The invention relates to a method for obtaining a nanocomposite material having a graphitised carbon matrix and metal nanoparticles by means of cycles of galvanostatic charge and discharge under the action of magnetic fields, and to the ...  
WO/2018/010494A1
Provided are a hyper-eutectoid rail and a method for producing the same, comprising rolling a steel billet containing V and Ti. The steel billet contains 0.85% to 0.94% by weight of carbon on the basis of the total weight of the steel bi...  
WO/2018/012636A1
In this steel material for a CVT sheave, Fn1 defined by equation (1) satisfies the expression 13.9 ≤ Fn1 ≤ 15.5, and Fn2 defined by equation (2) satisfies the expression 1.20 ≤ Fn2 ≤ 4.35. (1): Fn1 = 7 × Cr – 6 × Si + 4 × Mn...  
WO/2018/011978A1
This hot-dip galvanized steel sheet has a specific chemical composition and a steel structure that is represented as: containing, in terms of area ratio, polygonal ferrite in an amount not more than 10%, upper bainite in an amount not mo...  
WO/2018/011862A1
Provided is an electric-resistance-welded steel pipe for a boiler, having excellent stress corrosion cracking resistance, and in which ferrite grain boundary strength of a weld part is increased, and cracking in the weld part is suppress...  
WO/2018/012625A1
This steel wire has a specified chemical composition. In the region of an L cross-section, which is along the axial direction and includes the axial line of the steel wire, closer to the axial line than a depth of 100 µm from the surfac...  
WO/2018/012158A1
A steel spring wire is configured from steel, which consists of 0.5 mass% to 0.8 mass% of carbon, 1.0 mass% to 2.5 mass% of silicon, 0.2 mass% to 1.0 mass% of manganese, and 0.5 mass% to 2.5 mass% of chromium, the balance being made of i...  
WO/2018/012458A1
[Problem] To provide an iron powder that has a large complex relative permeability μ' and a sufficiently small tan δ. [Solution] According to the present invention, after a step for obtaining a slurry of a precipitate of a hydrous oxid...  
WO/2018/011299A1
The invention deals with Steel for seamless pipes comprising the following chemical composition elements in weight percent: 0.04 ≤ C ≤ to 0.18, 0.10 ≤ Si ≤ 0.60, 0.80 ≤ Mn ≤ 1.90, P ≤ 0.020, S ≤ 0.01, 0.01 ≤ Al ≤ 0.06...  
WO/2018/008698A1
Provided are a wire rod, etc. for which spheroidize annealing and quenching/tempering heat treatment steps can be omitted. The wire rod has a specified chemical composition. In area ratio, at least 90% of the metal structure is bainite. ...  
WO/2018/008355A1
Provided is a steel for machine structures for cold working, which is characterized by containing 0.3% by mass to 0.6% by mass of C, 0.05% by mass to 0.5% by mass of Si, 0.2% by mass to 1.7% by mass of Mn, more than 0% by mass but 0.03% ...  
WO/2018/006844A1
A high strength, high toughness, heat-cracking resistant bainite steel wheel for rail transportation and manufacturing method thereof, comprising the following components: 0.10-0.40% of carbon, 1.00-2.00% of silicon, 1.00-2.50% of mangan...  
WO/2018/006484A1
A manufacturing technique for a metal base of a crude oil casing pipe for addressing an issue in which an alloy of the prior art cannot meet both cost and strength requirements at the same time. The technique comprises: step 1: melting a...  
WO/2018/008703A1
The purpose of the present invention is to provide a rolled wire rod with excellent hydrogen embrittlement resistance characteristics after spheroidize annealing followed by quenching/tempering for which, even if spheroidize annealing is...  
WO/2018/009750A1
This disclosure is related to high yield strength steel where yield strength can be increased without significantly affecting ultimate tensile strength (UTS) and in some cases, higher yield strength can be obtained without significant de...  
WO/2018/009438A1
A method of forming a cutting element comprises disposing diamond particles in a container and disposing a metal powder on a side of the diamond particles. The diamond particles and the metal powder are sintered so as to form a polycryst...  
WO/2018/006843A1
A low cost lean production bainitic steel wheel for rail transit, and a manufacturing method therefor. The wheel contains the following elements by weight percentage: carbon (C): 0.15-0.45%, silicon (Si): 1.00-2.50%, manganese (Mn): 1.20...  
WO/2018/006490A1
Provided are a steel for hot stamping forming having ultra-fine grains, a manufacturing process therefor, a hot stamping forming process and a hot-stamping formed component. The steel for hot stamping forming comprises the following comp...  
WO/2018/008658A1
Provided are: a ferritic stainless steel which has both creep resistance and electrical conductivity in an oxide coating film in a high-temperature and oxidizing environment for a long period of time without the need to add a rare-earth ...  
WO/2018/006485A1
A high strength wear-resistant steel for an oil drill bit. The steel addresses the issue of higher costs of a method of welding a wear-resistant material onto a drill bit surface to extend the service life of a milling tooth of the drill...  
WO/2018/008194A1
An electroseamed steel pipe for line pipe wherein: the chemical composition of the base metal section comprises, in mass%, C: 0.030% to less than 0.080%, Mn: 0.30-1.00%, Ti: 0.005-0.050%, Nb: 0.010-0.100%, N: 0.001-0.020%, Si: 0.010-0.45...  
WO/2018/006845A1
A high toughness bainitic steel wheel for rail transit, and a manufacturing method therefor. The wheel includes the following elements by weight percentage: carbon (C): 0.10-0.40%, silicon (Si): 1.00-2.00%, manganese (Mn): 1.00-2.50%, ni...  
WO/2018/008674A1
Provided are: a martensitic stainless steel for a fuel injection member, the martensitic stainless steel being suitable for use as a fuel injection member or the like of an automobile engine; and a fuel injection member using said marten...  
WO/2018/009041A1
The present invention relates to a hot forming member suitable as a material for a vehicle and, more specifically, to a hot forming member having excellent crack propagation resistance and ductility and a method for producing the same. T...  
WO/2018/008621A1
Provided is a steel for mechanical structures, which has excellent machinability, rusting characteristics, and hot ductility. This steel for mechanical structures contains, in mass%, 0.30-0.80% of C, 0.01-0.80% of Si, 0.20-2.00% of Mn, 0...  
WO/2018/004419A1
The invention relates to a steel for a tool holder. The steel comprises the following main components (in wt. %): C 0.07-0.13 Si 0.10-0.45 Mn 1.5-3.1 Cr 2.4-3.6 Ni 0.5-2.0 Mo 0.1-0.7 Al 0.001-0.06 S < 0.003 The steel has a bainitic micro...  
WO/2018/002328A1
The present disclosure relates to a new process for manufacturing an object comprising an austenitic alloy. The process combines a cryogenic treatment with a heat treatment whereby the obtained object will posse excellent properties, esp...  
WO/2018/001043A1
An improved 09CrCuSb steel resistant to sulfuric acid dew point corrosion. The chemical composition of the steel is, by mass percentage, 0.04-0.12% of C, 0.20-0.50% of Si, 0.35-0.90% of Mn, lower than or equal to 0.030% of P, lower than ...  
WO/2018/003143A1
Provided are a ferritic stainless steel sheet with good surface quality and for which discoloration due to heating can be prevented, and a manufacturing method therefor. The present invention is a ferritic stainless steel sheet that is t...  
WO/2018/003521A1
The purpose of the present invention is to provide a ferritic stainless steel sheet with excellent weld shape and excellent corrosion resistance of dissimilar metal welds with austenitic stainless steel. Provided is a ferritic stainless ...  
WO/2018/004297A1
One aspect of the present invention relates to a high strength steel plate having excellent low yield ratio characteristics and low temperature toughness, comprising, by weight %: C: 0.03 to 0.08%; Si: 0.05 to 0.3%; Mn: 1.0 to 2.0%; Al: ...  
WO/2018/001346A1
A low alloy cast steel, and a smelting method and heat treatment thereof, and a railway locomotive part of same. The low alloy cast steel comprises the following components in the respective weight percentages: 0.19-0.25% of carbon, 0.30...  
WO/2018/001019A1
A cold-rolled low-density steel plate having excellent phosphorization performance. An iron particle layer is disposed on the surface of the cold-rolled low-density steel plate, and dispersed iron particles exist in the iron particle lay...  
WO/2018/004363A1
Object of the invention is multi-phase steel, used for production of standard-gauge rails, characterized by the fact that the content of basic elements in the steel is no less than: C - 0.15% wt, Si - 0.60% wt, Mn - 1.20% wt, Cr - 1.20 %...  
WO/2018/001355A1
Provided is a low alloy cast steel, and the components of the low alloy cast steel and the weight percentages thereof relative to the total weight of the low alloy cast steel are as follows: 0.20-0.30% of carbon, 0.20-0.40% of silicon, 0...  
WO/2018/003941A1
Provided are: a ferritic heat transfer member (4) having excellent heat transfer characteristics and water vapor oxidation resistance; and a ferritic heat-resistant steel (1) which enables the achievement of the ferritic heat transfer me...  
WO/2018/002426A1
The invention relates to a martensitic stainless steel and its manufacturing method having high strength and enhanced tensile ductility. The steel consists of in weight % equal or less than 0.05 % C, equal or less than 1.0 % Si, 2.0 – ...  
WO/2018/001333A1
Provided are a low alloy cast steel, a smelting method and a heat treatment method therefor and railway locomotive parts, belonging to the technical field of alloy steels. The components of the low alloy cast steel and the weight percent...  
WO/2018/001097A1
A sorbite stainless steel, the main ingredient being iron, the main alloying elements being 8-16% chromium and 1-5% nickel, and also containing 0.01-0.1% phosphorus, the carbon being controlled to be less than 0.1%, sulphur to be less th...  
WO/2018/003341A1
Provided is a laser welded joint (10) formed by overlapping and laser welding a plurality of high tensile strength steel plates (11, 13) having tensile strength of 780 MPa or greater and a plate thickness 0.5 - 3.0 mm, wherein: the overl...  
WO/2018/004312A1
A bearing steel according to an embodiment of the present invention contains 0.51 to 0.56wt% of carbon (C), 0.30 to 0.55wt% of silicon (Si), 0.60 to 0.90wt% of manganese (Mn), 0.025wt% or less of phosphorus (P) (excluding 0wt%), 0.008wt%...  
WO/2018/003407A1
Provided are: a high strength galvannealed steel sheet having an Mn-containing TRIP steel sheet as the base metal and having excellent workability and hole expandability; and a manufacturing method therefor. A method for producing a high...  
WO/2018/001093A1
A high strength vibration-resistant stainless steel, with 10-15% chromium, 2-4% alloying element mainly based on nickel element, the balance being iron, the carbon content being controlled less than 0.1%, and phosphorus content being 0.0...  
WO/2018/001098A1
Low-density hot-dipped steel. The low-density hot-dipped steel comprises a steel substrate (1) located at a core and a clad layer (3) located on the surface. An interface layer is disposed between the steel substrate (1) and the clad lay...  
WO/2018/002295A1
The present disclosure relates to a bimetallic tube comprising a first metallic tube having an inner diameter and an outer diameter, and a second metallic tube having an inner diameter and an outer diameter, wherein the first metallic tu...  
WO/2018/003823A1
Provided is an austenitic stainless steel which has excellent carburization resistance even in a high-temperature carburization environment, and which also has excellent hot workability during the production. An austenitic stainless stee...  
WO/2017/222122A1
According to an embodiment, a manufacturing method for a reinforcing bar comprises the steps of: reheating a billet having a predetermined alloy composition at a temperature of 1100°C to 1200°C; hot rolling the reheated billet at a fin...  
WO/2017/219938A1
A 980 MPa-grade hot-rolled ferritic bainite dual-phase steel and a manufacturing method therefor. The chemical components of the steel comprise, in percentage by weight, 0.15%-0.30% of C, 0.8%-2.0% of Si, 1.0%-2.0% of Mn, 0-0.02% of P, 0...  
WO/2017/222343A1
One aspect of the present invention relates to a precipitation-hardening hot rolled steel sheet having excellent material uniformity and hole expandability, comprising, by wt%, 0.02-0.05% of C, 0.01-0.3% of Si, 1.0-1.6% of Mn, 0.04-0.1% ...  

Matches 1 - 50 out of 94,322