Corrosion-resistant steel plate for ocean platform and production method of steel plate

The technology of an offshore platform and a production method is applied in the field of steelmaking to achieve the effects of dense organization, good desulfurization effect and suitable smelting process
CN110284056AActive Publication Date: 2019-09-27NANYANG HANYE SPECIAL STEEL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NANYANG HANYE SPECIAL STEEL CO LTD
Publication Date
2019-09-27

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Abstract

The invention belongs to the technical field of ferrous metallurgy, and discloses a corrosion-resistant steel plate for an ocean platform and a production method of the steel plate. The corrosion-resistant steel plate is prepared firstly from the combination of proper components in percentage by weight and then by carrying out KR molten iron pretreatment, converter smelting, argon-blowing station fed with aluminum wire, LF furnace refining, VD vacuum refining, continuous casting, heating, controlled rolling and controlled cooling, heap cooling, quenching, tempering and the like. According to the corrosion-resistant steel plate for the ocean platform and the production method of the steel plate, compared with the prior art, the produced steel plate has the advantages of excellent corrosion resistance, good low-temperature impact toughness and excellent comprehensive performance, and is especially suitable for being used under cold weather and seawater corrosion conditions.
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Description

Technical field

[0001] The invention relates to the technical field of steelmaking, in particular to a steel plate for corrosion-resistant marine platforms and a production method thereof. Background technique

[0002] Steel plates for offshore platforms are required to have high corrosion resistance and excellent low-temperature impact performance. At the same time, the steel plates are required to have good welding performance and can be cut, bent, welded, etc., and can be welded, plug welded, bolted, etc. with other structures For the connection, the quality of the steel plate is very demanding. For marine environment conditions, especially deep-sea environments, excellent corrosion resistance, low-temperature impact toughness, and welding crack sensitivity resistance are required to make the steel plate more suitable for use in cold regions and deep-sea environments, while meeting the needs of welding processing. The performance of traditional steel for offshore platforms ca...

Claims

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