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2024
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Invention
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Stainless steel composite plate for weathering steel bridge having low yield ratio and preparatio... |
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2023
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Invention
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High-strength corrosion-resistant crude oil storage tank steel plate for high heat input welding,... |
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Invention
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Manufacturing method for 800 mpa-grade high-strength steel plate for stress-corrosion-resistant s... |
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Invention
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High-strength corrosion-resistant crude oil storage tank steel plate for high heat input welding ... |
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Invention
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290 mpa-grade low-yield-strength steel used in low-temperature harsh environment, and manufacturi... |
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Invention
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Method for preparing steel 50crva for transmission chain of engine. Disclosed in the present inve... |
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Invention
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Bar for motor shaft of new energy vehicle and preparation method therefor. The present invention ... |
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Invention
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Steel for forged bucket teeth of excavator, and preparation method therefor. Disclosed in the pre... |
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Invention
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Low-temperature structural steel for tmcp-state low-cost high heat input welding, and manufacturi... |
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Invention
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Ultra-wide quenched and tempered abrasion-resistant steel plate and manufacturing method therefor... |
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Invention
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Manufacturing method for 345 mpa-grade steel plate for marine-atmospheric corrosion-resistant str... |
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Invention
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Method for producing 1000 mpa-grade hydroelectric steel plate having thickness greater than 100mm... |
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2022
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Invention
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7ni steel and production method therefor. The present invention discloses 7Ni steel and a product... |
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Invention
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09mnnidr steel and production method therefor. The present invention discloses 09MnNiDR steel and... |
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Invention
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9ni steel and production method therefor. The present invention discloses 9Ni steel and a product... |
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Invention
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Method for controlling surface quality of nickel-based steel plate. A method for controlling the ... |
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Invention
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360hb-450hb grade abrasion resistant steel and production method therefor. Disclosed in the prese... |
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Invention
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500 hb grade or above abrasion-resistant steel and production method therefor. Disclosed in the p... |
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Invention
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Preparation method for high-strength and high-toughness spring steel wire rod. Disclosed in the p... |
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Invention
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Wear-resistant steel and production method therefor. The present invention relates to the technic... |
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Invention
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Method for producing thin specification steel plate. A method for producing a thin specification ... |
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Invention
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Plate for thick-wall large-diameter grade x80m hot bending pipe and manufacturing method therefor... |
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Invention
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X80-grade hot-bent elbow having excellent welding performance, and manufacturing method therefor.... |
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Invention
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Method for preparing special high wear-resistance steel strip ngnm01 for pipeline transportation.... |
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Invention
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High wear resistance steel for coal mining and production method therefor. A high wear resistance... |
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Invention
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Stabilization time measurement method for weathering steel rust layer, and storage medium. Disclo... |
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Invention
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Production method for controlling high-quality surface of quenching plate. A production method fo... |
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Invention
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High-strength nano heat insulation plate and preparation method therefor. A high-strength nano he... |
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Invention
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Rare earth-containing nm600 wear-resistant steel plate and preparation method therefor. The prese... |
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Invention
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Wide and heavy steel plate having ultrahigh strength and containing rare earth and preparation me... |
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Invention
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Low-yield-ratio weather-resistant bridge steel and manufacturing method. A low-yield-ratio weathe... |
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Invention
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Magnesium-containing steel 45 and preparation process therefor. Disclosed in the present inventio... |
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Invention
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Ultrafine grain steel plate and preparation method therefor. 333 in a heating furnace, and preser... |
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Invention
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Stainless steel composite plate for weathering steel bridge having low yield ratio. Disclosed in ... |
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Invention
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Single-billet, multi-grade production method for series of high-grade grade e steels for weather-... |
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Invention
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Flux-cored gas shielded welding wire for 9% ni steel used for storage tanks, and preparation meth... |
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Invention
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Steel for thin-gauge bridges and production method therefor. The present invention relates to the... |
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Invention
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Steel for steel cord having tensile strength greater than or equal to 4,000 mpa and production me... |
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Invention
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120ksi-steel-grade high-strength high-toughness high-hydrogen sulfide-resistance hot-rolled steel... |
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Invention
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Manufacturing method for hot forging-formed, composite-quenched and structure-refined high-streng... |
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Invention
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Ultra-low-temperature steel, and heat treatment process therefor and use thereof. An ultra-low-te... |
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Invention
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Low-yield-ratio high-toughness q500qe bridge steel and production method thereof. The present inv... |
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2021
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Invention
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Multi-wire submerged arc welding method for q370qe thick plate. Disclosed is a multi-wire submerg... |
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Invention
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1000 mpa-grade quenched and tempered hydroelectric steel plate and production method therefor. Th... |
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Invention
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Micro-molybdenum-type weathering bridge steel plate and preparation method thereof.
A micro-moly... |
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Invention
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Micro-molybdenum-type weather-resistant bridge steel plate and preparation method therefor. A mic... |
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Invention
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Ferrite-pearlite q345qd bridge steel extra-thick plate and preparation method therefor. Disclosed... |
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Invention
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Low-cost high energy welding-resistant 420 mpa-grade bridge steel and production method therefor.... |
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2020
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Invention
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Nickel-free lpg marine steel plate and manufacturing method therefor.
A nickel-free LPG marine s... |
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Invention
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500 mpa grade low yield ratio weather-resistant bridge steel and manufacturing method therefor.
... |
