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  • HOME >  PRODUCTS&RESERACH >  Hot-rolled steel

    Hot rolled bulb flats for shipbuilding

    Clean Steel • Organic Growth

     

    Hot rolled bulb flats for shipbuilding

    Product properties

    Bulb flat is a kind of middle-sized steel which is applied in ship building and bridge building. Among them, the marine bulb flat is an auxiliary middle-sized material used in ship building. In recent years, with the rapid development of the ship building industry, there has been a great demand on marine bulb flats. For large ships and regular ships, marine bulb flats were generally chosen for the main hull in the design. Bulb flats using the same sickness and material with the panels connected to them are adopted as the aggregate (also called physique or keel).

    Process features

    ● Welding meets the requirements of marine PSPC welding process
    ● The ballast tank which aims to improve the ship's navigation performance can reduce the pollution to the marine ecosystem and the corrosion effect to the tank.
    ● Straightness meets the process requirements of 1.5 ‰, and mechanical performance only needs to meet the requirement of corresponding steel grade.




    Technical parameter

    Product Name Standard Model
    Hot rolled bulb flats
    GB/T 9945-2012
    HP80×5 ~ HP430×20
    The old international bulb flat parameters
    GB/T 9945-2001
    80×5 ~ 270×14

    Qualification certificate

    Hot rolled bulb flats for shipbuilding certified by product certification including: CCS,DNV、LR、RINA,etc. [View more related certificates]

    Market application area