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    Shipbuilding Bulb Flats

    Shipbuilding Bulb Flats

    Application:

    It’s a good option for shipyard to choose bulb plates as the main structure of ships due to their excellent strength and light weight. They feature a unique shape--flat, with a short, tapered flange on one side--which provide significant benefits in shipbuilding stiffener application.They are regarded as economical, efficient, and reliable by peers. These bulb flats are manufactured strictly in accordance with GB/T 9945-2012 or EN10067 by Chinese excellent steel mills of make good quality. We provide you complete steel grades and dimensions. If you have any specific requirements, we will try our best to satisfy you.

    Advantages of Hi-Sea:

    1. We guarantee the products’ quality.

    Our shipbuilding bulb flats are produced by Chinese top steel mills complying with extremely strict quality management. Our bulb flats are made of standard steel with tiny tolerances. The production of steel follows the requirements of GB9945-2012 or EN10067:1997.

    2. We provide a wide range of steel grades and dimensions.

    We are able to provide bulb flats made of steel grade from A, B, D, E under the temperature of 0℃, -20℃ and -40℃. The dimensional range is from nominal size 80×5mm to 430×20mm. The regular length of bulb flats is in the range of 40~120m.

    3. We provide you considerate service.

    We have rich experience in importing and exporting marine products as well as we can guarantee delivery on time.

    The following table shows steel grades that we provide regularly for bulb flats:

    Strength

    Grade

    Normal Strength

    A

    B

    D

    E

    High Strength

    AH32

    DH32

    EH32

    AH36

    DH36

    EH36

    AH40

    DH40

    EH40

    NOTE

    the above grades are certified by relevant classification societies, such as CCS, ABS, BV, LR, GL, RINA, KR, NK, CNV


    Parameters of GB 9945-2012 Shipbuilding Bulb Flats

    Parameters of EN10067 Shipbuilding Bulb Flats

    Adopted Standard

    Steel Grade

    ABS Grade

    AB/A, AB/AN, AB/B, AB/BN, AB/D, AB/DN, AB/E, AB/EN

    BV Grade

    BVA, BVB, BVD, BVE

    CCS Grade

    CCSA, CCSB, CCSD, CCSE

    DNV Grade

    NV A, NV B, NV D, NV E

    GL Grade

    GL-A, GL-ATM, GL-B, GL-BTM, GL-D, GL-DTM, GL-E, GL-ETM

    KR Grade

    KRA, KRB, KRD, KRE

    LR Grade

    LRA, LRB, LRD, LRE

    NK Grade

    KA, KB, KD, KE

    RINA Grade

    RINA-A, RINA-B, RINA-D, RINA-E

    Adopted Standard

    Steel Grade

    ABS Grade

    AB/AH32, AB/AH32N, AB/DH32, AB/DH32N, AB/EH32, AB/EH32N, AB/FH32, AB/FH32N, AB/AH36, AB/AH36N, AB/DH36, AB/DH36N, AB/EH36, AB/EH36N, AB/FH36, AB/FH36N, AB/AH40, AB/AH40N, AB/DH40, AB/DH40N, AB/EH40, AB/EH40N, AB/FH40, AB/FH40N

    BV Grade

    BVAH32, BVDH32, BVEH32, BVFH32, BVAH36, BVDH36, BVEH36, BVFH36, BVAH40, BVDH40, BVEH40, BVFH40

    CCS Grade

    CCSAH32, CCSDH32, CCSEH32, CCSFH32, CCSAH36, CCSDH36, CCSEH36, CCSFH36, CCSAH40, CCSDH40, CCSEH40, CCSFH40

    DNV Grade

    NV A32, NV D32, NV E32, NV F32, NV A36, NV D36, NV E36, NV F36, NV A40, NV D40, NV E40, NV F40

    GL Grade

    GL-A32, GL-A32TM, GL-D32, GL-D32TM, GL-E32, GL-E32TM, GL-F32, GL-F32TM, GL-A36, GL-A36TM, GL-D36, GL-D36TM, GL-E36, GL-E36TM, GL-F36, GL-F36TM, GL-A40, GL-A40TM, GL-D40, GL-D40TM, GL-E40, GL-E40TM, GL-F40, GL-F40TM

    KR Grade

    KRAH32, KRDH32, KREH32, KRFH32, KRAH36, KRDH36, KREH36, KRFH36, KRAH40, KRDH40, KREH40, KRFH40

    LR Grade

    LRAH32, LRDH32, LREH32, LRFH32, LRAH36, LRDH36, LREH36, LRFH36, LRAH40, LRDH40, LREH40, LRFH40

    NK Grade

    KA32, KD32, KE32, KF32, KA36, KD36, KE36, KF36, KA40, KD40, KE40, KF40

    RINA Grade

    RINA-AH32, RINA-DH32, RINA-EH32, RINA-FH32, RINA-AH36, RINA-DH36, RINA-EH36, RINA-FH36, RINA-AH40, RINA-DH40, RINA-EH40, RINA-FH40


    Angle steel in factory:

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