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Matches 1 - 50 out of 33,837

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/2018/010494A1
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/2018/011377A1
The invention relates to a method for manufacturing of steel tube from a long steel strip, comprising providing a length of steel strip material to the process, forming a tube of the steel strip material, welding the formed tube in longi...  
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/2018/011299A1
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/2018/008703A1
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/2018/006490A1
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/2018/008194A1
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/2018/009041A1
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/2018/001043A1
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/2018/001019A1
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/2018/001098A1
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/2018/003823A1
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% ...  
WO/2017/220757A1
The present invention relates to a method for forming a hollow 26 of a ferritic FeCrAI alloy into a tube 2. While tubes made of powder metallurgical, dispersion hardened, ferritic FeCrAI alloys are commercially available, hollows made of...  
WO/2017/222342A1
One aspect of the present invention relates to a clad steel plate having excellent strength and formability, comprising: a base metal; and a clad material provided on both sides of the base material, wherein the base metal is an austenit...  
WO/2017/219828A1
A high-strength high-elongation tinned primary plate and a double cold reduction method therefor. The tinned primary plate comprises the following components in mass percentage: C: 0.065% to 0.12%, Mn:0.2% to 0.8%, Al:0.01% to 0.08%, N...  
WO/2017/220398A1
The invention relates to a vehicle wheel comprising a rim to receive a tire and a wheel disc attached to the rim, which wheel disc has an attachment region for releasable attachment to a wheel mounting. The aim of providing a vehicle whe...  
WO/2017/222160A1
According to one embodiment, a method for manufacturing a high-strength cold rolled steel sheet comprises the steps of: manufacturing a hot rolled steel sheet from a slab sheet comprising 0.06-0.25 wt% of carbon (C), 0.1-3.0 wt% of silic...  
WO/2017/222159A1
A method for manufacturing a high-strength cold-rolled steel sheet according to an embodiment comprises the steps of: reheating a slab plate consisting of 0.10 wt.% to 0.13 wt.% of carbon (C), 0.9 wt.% to 1.1 wt.% of silicon (Si), 2.2 wt...  
WO/2017/221690A1
The purpose of the present invention is to provide: a hot-rolled steel sheet for thick high strength line pipes that are suitable as transport line pipes for natural gas, crude oil, etc., in particular, having high strengths of API grade...  
WO/2017/222189A1
One aspect of the present invention relates to an ultrahigh-strength high-ductility steel sheet having excellent yield strength, comprising, by wt%, 0.04-0.18% of C, 2% or less of Si, 4-10% of Mn, 0.05% or less of P (except 0%), 0.02% or...  
WO/2017/219427A1
Provided are a treatment process for obtaining graded performance and a formed member made therefrom. The process comprises the following steps: A. a blank material is prepared, and the blank material is divided into an area to be formed...  
WO/2017/215478A1
Provided are a stainless steel and a processing method thereof. The stainless steel comprises the following components in percentage by weight: 0.01% to 0.1% of C, 0.05% to 0.2% of N, not more than 0.03% of P, not more than 0.003% of S, ...  
WO/2017/212770A1
A wire rod 1 for a canted coil spring is provided with a core wire 10 made of steel with a pearlite structure and a plated layer 20 covering the surface 11 of the core wire 10 and made of copper or a copper alloy. The steel configuring t...  
WO/2017/213781A1
Improved steel compositions and methods of making the same are provided. More particularly, the present disclosure provides high manganese (Mn) steel having enhanced strength and/or performance at cryogenic temperatures, and methods for ...  
WO/2017/213166A1
This rolled steel bar for hot forging includes, in mass%, 0.39-0.55% of C, 0.10-1.0% of Si, 0.50-1.50% of Mn, 0.05-0.50% of Cr, 0.01-0.10% of Mo, 0.05-0.40% of V, 0.150-0.250% of Ti, 0.005-0.050% of Al, and 0.0020-0.020% of N, and satisf...  
WO/2017/206419A1
The present invention relates to a low-compression-ratio ultra-thick EH36 ship plate steel and a method for preparing same. A finished product structure of the steel plate is a tempered bainite structure. Chemical components of the steel...  
WO/2017/206753A1
Provided are a high-magnetic-induction low-iron-loss non-oriented silicon steel sheet and a manufacturing method therefor. The chemical composition by mass percentages is: C ≤ 0.005%, Si: 0.1%-1.6%, Mn: 0.1%-0.5%, P ≤ 0.2%, S ≤ 0.0...  
WO/2017/207660A1
The invention relates to a method for producing an elongate hollow body consisting of steel and having a polygonal cross-section, comprising the following steps: producing an intermediate hollow body having a round cross-sectionfrom a fl...  
WO/2017/208946A1
Provided is a duplex stainless steel with excellent cryogenic toughness. For the duplex stainless steel: the chemical composition contains, in mass%, C: 0.03% or less, Si: 0.1-0.8%, Mn: 2.3% or less, P: 0.040% or less, S; 0.010% or less,...  
WO/2017/208329A1
This high-tensile steel plate contains, in terms of mass%, 0.08%-0.15% C, 0.80%-1.60% Mn, 3.00%-4.50% Ni, 0.50%-1.00% Cr, 0.50%-1.00% Mo, 0.020%-0.085% Al, 0.0020%-0.0070% N, and 0.0005%-0.0020% B, the plate thickness tmm being more than...  
WO/2017/209180A1
The present application provides case-hardened steel suitable as a raw material for manufacturing mechanical structure components that have high rotary bending fatigue strength and contact fatigue strength at relatively low cost, and a m...  
WO/2017/209431A1
Austenitic stainless steel having improved corrosion-resistance and workability and a method for producing same are disclosed. The austenitic stainless steel according to an embodiment of the present invention comprises, in terms of wt%,...  
WO/2017/203347A1
The invention deals with a cold rolled and annealed steel sheet comprising by weight : 0.6 ≤ C ≤ 1.3%, 15.0 ≤ Mn ≤ 35%, 5 ≤ AI ≤ 15%, Si ≤ 2.40 % S ≤ 0.03%, P≤0.1 %, N ≤ 0.1 %, possibly one or more optional elements c...  
WO/2017/203313A1
The present invention relates to a method for producing a recovered steel sheet having an austenitic matrix having expected mechanical properties.  
WO/2017/203309A1
The present invention relates to a TWIP steel sheet having an austenitic matrix and a method for the manufacture of this TWIP steel.  
WO/2017/203341A1
The present invention relates to a method for producing a TWIP steel sheet having an austenitic matrix.  
WO/2017/203310A1
The present invention relates to a method for producing a TWIP steel sheet having a high strength, an excellent formability and elongation.  
WO/2017/201986A1
A method for preparing nano-twinned crystal pure iron, comprising: a. heating a processed sample to a range of a phase change temperature of a material; b. applying a pressure of 1-5 GPa to the sample in all directions; c. maintaining th...  
WO/2017/203346A1
The invention deals with a cold rolled and annealed steel sheet comprising by weight : 0.6 < C < 1.3%, 15.0 ≤ Mn < 35%, 6.0 ≤ AK 15%, Si ≤ 2.40 % S ≤ 0.015%, P ≤ 0.1 %, N ≤ 0.1 %, possibly one or more optional elements chosen...  
WO/2017/203348A1
The present invention relates to a cold-rolled and recovered TWIP steel sheet having an austenitic matrix and a method for the manufacture of this TWIP steel.  
WO/2017/203345A1
The invention deals with a cold rolled and annealed steel sheet comprising by weight : 0.6 < C < 1.3%, 15 < Mn < 35%, 6.0 < AK 15%, Si < 2.40 % S < 0.015%, P < 0.1 %, N < 0.1 %, possibly one or more optional elements chosen among Ni, Cr ...  
WO/2017/203312A1
The invention deals with a cold rolled and annealed steel sheet comprising by weight : 0.6 ≤C≤ 1.3%, 15.0≤ Mn ≤35%, 5≤ Al ≤15%, Si ≤2.40 % S ≤ 0.03%, P ≤0.1 %, N ≤0.1 %, possibly one or more optional elements chosen a...  
WO/2017/203343A1
The present invention relates to a method for producing a TWIP steel sheet having a high strength, an excellent formability and elongation.  

Matches 1 - 50 out of 33,837