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Matches 1 - 50 out of 42,106

Document Document Title
WO/2018/012626A1
Provided is a heat treatment method for obtaining an annular roller bearing raceway ring the thickness of which changes in the axial direction, the method comprising: (A) subjecting an annular workpiece, which is made of a high-carbon ch...  
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/2018/012158A1
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/2018/008355A1
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/2018/008658A1
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/2018/006887A1
Axle for rail vehicles, made of heat-treated material, wherein in all cylindrical parts (2a) and the transitional parts (2b) along the entire length (L) of the axle (1) surface the axle (1) surface is formed by a reinforced, inductively ...  
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/2018/003941A1
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/2018/001333A1
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/2018/003740A1
A friction stir welding method is a method for friction stir spot welding of a plurality of steel plate materials and is provided with a friction stir step for applying pressure while rotating a tool on a spot weld part of steel plate ma...  
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/2018/001098A1
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/2017/221963A1
The present invention provides a method for manufacturing bearing parts, which is able to inductively heat multiple molded bodies in succession and to apply heat uniformly across an entire region to be heated. This method comprises steps...  
WO/2017/221635A1
When induction-heating a rod-shape workpiece W having an outer peripheral surface with a circular cross-section to a hardening temperature during conveyance at a prescribed speed along the axial direction of said workpiece, the rod-shape...  
WO/2017/221789A1
This induction heating apparatus 1 is provided with: a transfer device 10 for transferring a rotatable workpiece W along a linear guide transfer path P; and a heating coil 2 for inductively heating the workpiece W being transferred along...  
WO/2017/221636A1
This heat treatment equipment 1 is provided with a conveyance device 10 which conveys a rod-shape workpiece W at a prescribed speed along the axial direction of said workpiece, and a heating device 2 which comprises a heating coil 3 that...  
WO/2017/221671A1
The purpose of the present invention is to prevent a member to be cooled from being non-uniformly cooled during the cooling of the member by spraying a spray fluid and reduce occurrences of deformation, poor modification and the like. Th...  
WO/2017/219549A1
A 250 mm thick low-carbon high-toughness low-alloy S355NL steel plate, comprising the following chemical components in percentage by weight: C: 0.07-0.14%, Si: 0.15-0.25%, Mn: 1.40-1.60%, P≤0.006%, S≤0.001%, Al: 0.02-0.06%, Nb: 0.02-...  
WO/2017/216500A1
The present invention relates to a case-hardenable and/or nitridable steel composition comprising, in percentages by weight of the total composition: carbon: 0.05-0.40, preferably 0.10-0.30; chromium: 2.50-5.00, preferably 3.00-4.50; mol...  
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/2017/211901A1
The invention relates to a temperature-control device (100) for the temperature control of a component (150), in particular a wheel rim. The temperature-control device (100) has a housing (101), in which an at least partially closed temp...  
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/2017/207651A1
There is provided a precipitation hardening steel with the composition: C: 0.05-0.30 wt%, Ni: 3-9 wt%, Mo: 0.5-1.5 wt%, Al: 1-3 wt%, Cr: 2-14 wt%, V: 0.25-1.5 wt%, Co: 0-0.03 wt%, Mn: 0-0.5 wt%, Si: 0-0.3 wt%, and remaining part up to 10...  
WO/2017/206441A1
A process for the heat treatment of a Grade R6 mooring chain, comprising the following steps: A) bringing a mooring chain into a quenching furnace barrel followed by preheating; B) bringing the mooring chain into a rapid heating region; ...  
WO/2017/208563A1
The purpose of the present invention is to provide an Fe-Ni-Cr alloy that exhibits excellent surface characteristics and that enables formation of a blackened coating having excellent blackening characteristics and an excellent resistanc...  
WO/2017/207794A1
The present invention relates to a case hardened component of a titanium alloy, the component having a diffusion zone of a thickness of at least 50 μιτι, as calculated from the surface of the component, the diffusion zone comprising ...  
WO/2017/207302A1
A waterwall panel welding apparatus (10) is provided. The apparatus includes an inlet assembly (12), a welding assembly (14), an outlet assembly (16), and a heating system (18, 20). The inlet assembly (12) is for receiving a plurality of...  
WO/2017/207652A1
There is provided a precipitation hardening stainless steel with the composition: C: 0.05-0.30 wt%, Ni: 9-10 wt%, Mo: 0.5-1.5 wt%, Al: 1.75-3 wt%, Cr: 10.5-13wt%, V: 0.25-1.5 wt%, Co: 0-0.03 wt%, Mn:0-0.5 wt%, Si: 0-0.3 wt%, and remainin...  
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/2017/203310A1
The present invention relates to a method for producing a TWIP steel sheet having a high strength, an excellent formability and elongation.  
WO/2017/203804A1
An inner-flanged bushing (60) is a bushing for a hydraulic breaker, is formed in a cylindrical shape having an inner flange (61), and is made of a steel comprising 0.55-0.70 mass% of carbon, 0.15-0.35 mass% of silicon, 0.4-0.9 mass% of m...  
WO/2017/203914A1
This race production method comprises a step for obtaining a race by heating a steel (2) to a temperature equal to or higher than the A1 transition temperature at a forming table (3), and punching a portion of the steel (2) in a ring sha...  
WO/2017/203915A1
A heat treatment method for a ring-shaped member is provided with: a step for forming a circular heated region, which is heated to a temperature of at least the A1 temperature, on a ring-shaped steel molding (10) by relatively circling 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.  
WO/2017/200144A1
The present invention relates to a device for continuously heating a coil spring, the device comprising: a pair of tapered rollers (20) which support and rotate a coil spring (10), the diameters of the cross sections of which increase fr...  
WO/2017/199872A1
Provided is a method for heat-treating a ring-shaped member, the method comprising: a step for forming an annular heated region that is heated to a temperature of A1 or higher in a ring-shaped molded body (10) made of steel, the annular ...  
WO/2017/198530A1
The invention relates to a method for producing a steel material, particularly a corrosion-resistant steel material for pumps and similar, in which a steel corresponding to the following analysis (in wt.%) is smelted: C < 0.050; Si < 0.7...  
WO/2017/197455A1
A method of hardening a surface of a ferro-alloy object, the method comprising at least partially gasifying a carbon-containing polymer to form a hardening material source; and exposing the object to the hardening material source, such t...  
WO/2017/195606A1
Provided are: a skid pipe with a heat-insulating protective member for which the occurrence of a gap at the upper end of the heat-insulating protective member is more adequately prevented; and a method for constructing the heat-insulatin...  
WO/2017/196965A1
The present invention provides steel sheet products having controlled compositions that are subjected to two-step annealing processes to produce sheet products having desirable microstructures and favorable mechanical properties such as ...  
WO/2017/195670A1
Provided are an insulating protective member that is easy to install so as to adhere to a construction face without a gap even if the construction face is curved, a manufacturing method for same, and a furnace internal member and a heati...  
WO/2017/194205A1
The invention relates to a method for coding during the heat treatment of a work piece. Said method comprises the following steps: providing a work piece, heating the work piece by means of a heat source in order subject the work piece t...  
WO/2017/191039A1
A method, furnace and software program for the controlled heating of a part comprising: obtaining a heating scheme defining a desired evolution of one or more indicators of the temperature of the part during heating in the furnace; provi...  
WO/2017/190220A1
The method includes the step of preparing a die assembly and proceeds with the step of heating a blank that is made of metal. The method continues with the step of inserting the heated blank into the die assembly. The method proceeds wit...  
WO/2017/187215A1
The present invention relates a carbon steel sheet coated with a barrier coating comprising nickel and chromium wherein the weight ratio Ni/Cr is between 1.5 and 9.  
WO/2017/186113A1
A protective composite steel plate, comprising hard steel layers (1, 3, 5) and soft steel layers (2, 4) spaced apart from each other. Surface layers of the protective composite steel plate are hard steel layers (1, 3, 5), and atom bindin...  
WO/2017/188056A1
With this mold, a refrigerant supply pathway for supplying a liquid refrigerant into an inside space of a recess is formed in a lower mold and/or an upper mold, and an air release pathway is formed for releasing air inside the inside spa...  

Matches 1 - 50 out of 42,106