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2024
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Invention
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Method for improving fatigue performance of titanium alloy seamless tube. A method for improving ... |
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Invention
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High-fracture-strain component formed via hot stamping, steel plate for hot stamping, and hot sta... |
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Invention
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Method for reducing accumulations in hearth center of high-titanium vanadium titano-magnetite dur... |
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Invention
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Welding and heat treatment method for deep hardened layer steel rail and steel rail. A welding an... |
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Invention
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Method for increasing hardening thickness of railhead at steel rail flash welding joint, and stee... |
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Invention
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Method for eliminating martensitic structure of flash-welded joint of hypereutectoid steel rail. ... |
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Invention
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Post-weld cooling method for improving rigidity match of dissimilar steel rail joint. A post-weld... |
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Invention
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Post-welding cooling method for flash welded joint of dissimilar steel rail. A post-welding cooli... |
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Invention
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Pearlitic steel rail having tensile strength uniformly distributed in full cross-section, and pro... |
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Invention
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Steel rail having excellent corrosion resistance and contact fatigue resistance and manufacturing... |
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Invention
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Pearlitic steel rail with high corrosion resistance and high wear resistance, and preparation met... |
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Invention
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Scratch-resistant and high-strength and -toughness steel rail and preparation method therefor. A ... |
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Invention
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Calcified roasted clinker acid leaching process control method. Disclosed in the present inventio... |
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2023
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Invention
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Low-cost 800-mpa-grade antimony-containing weathering-resistant steel for photovoltaic support, a... |
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Invention
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Anti-seismic and weather-proof steel plate for v-series 550 mpa building structure, and manufactu... |
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Invention
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Reduction and non-blast furnace smelting method for alkaline vanadium-titanium pellets and hot-br... |
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Invention
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Rotary continuous leaching device for calcification roasting clinker of vanadium slag. Disclosed ... |
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Invention
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Hydrogen fuel cell bipolar plate base material and preparation method for foil thereof. Disclosed... |
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Invention
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Production method for large-compression-ratio steel for bainite frog. Disclosed in the present in... |
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Invention
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Method for preparing refined vanadium oxytrichloride from vanadium-containing refined tailings. T... |
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Invention
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Preparation method for vanadium-nitrogen alloy. Disclosed in the present invention is a preparati... |
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Invention
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Injection method for improving high-titanium slag property of vanadium-titanomagnetite smelting. ... |
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Invention
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Gas distribution device and chlorination furnace. Disclosed are a gas distribution device and a c... |
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Invention
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Method for controlling alv55 alloy oxide film at back end. 255 and metal Al; 2) igniting an ignit... |
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Invention
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Flash welding method for medium-carbon low-alloy rail. A flash welding method for a medium-carbon... |
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Invention
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Method for improving quality of medium-carbon low-alloy steel rail flash welding joints. A method... |
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Invention
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Process parameter accurate control system for titanium sponge reduction process, and control meth... |
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Invention
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Method and device for improving hardness of reaustenitizing area of hypereutectoid steel rail joi... |
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Invention
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Method for improving bonding strength of rail flash-butt welded joint. Disclosed in the present i... |
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Invention
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Efficient fluidizing chlorination method for carbide slag. 222 and TiC on the surface layer of ne... |
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Invention
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Medium-strength steel rail having high yield strength and production method therefor. The present... |
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Invention
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Medium- and low-carbon pearlite steel rail welding method. Disclosed in the present invention is ... |
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2022
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Invention
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Zinc-aluminum-magnesium alloy coated steel containing v and b and preparation method therefor. Th... |
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Invention
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Zinc-aluminum-magnesium alloy coating steel containing v, ce, la and mn, and preparation method t... |
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Invention
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Continuous casting protective slag for high titanium steel and preparation method therefor. 22322... |
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Invention
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High-toughness, cold-worked die steel and preparation method therefor. The present invention prov... |
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Invention
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Method for producing hypereutectoid steel rail resistant to contact fatigue. The present inventio... |
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Invention
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Moderate-strength steel rail and production method thereof.
A moderate-strength steel rail is pr... |
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Invention
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Method for preparing high-purity vanadyl sulfate solution from recovered titanium tetrachloride r... |
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Invention
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Method for producing anti-contact fatigue hypereutectoid steel rail. Disclosed is a method for pr... |
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Invention
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Medium-strength steel rail and production method therefor. A medium-strength steel rail. The weig... |
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2021
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Invention
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Deeply-hardened-surface turnout rail with high degree of undercooling and the preparation method ... |
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Invention
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Method for optimizing microstructure of rail welded joint. The present disclosure relates to the ... |
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Invention
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Post-weld heat treatment method for 1,300 mpa-level low-alloy heat treated steel rail.
The prese... |
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Invention
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Preparation method for ferrovanadium alloy. Disclosed is a preparation method for a ferrovanadium... |
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2020
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Invention
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Construction method and cooling apparatus for post weld joint heat treatment of bainite steel rai... |
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2019
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Invention
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High-nitrogen and high-chromium plastic die steel, and smelting method and thermal processing met... |
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Invention
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Corrosion-resistant mirror die steel and manufacturing method therefor. Corrosion-resistant mirro... |
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2018
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Invention
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Continuous hot rolled coil for high collapse-resistant sew petroleum casing and manufacturing met... |
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2017
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Invention
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Hypereutectoid rail and manufacturing method thereof.
The invention relates to the field of rail... |
