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        Short description
        Bulb section is the rolled bulb section made of special steel (ship steel). This section is used as
        a reinforcing rib when manufacturing of the large-scale structures of metal sheet while building of
        the ship hulls.
        It is the major component upon creation of reliable structures: (deck beams, skeletons of the ships, etc.) for different types of ships.

        Unsymmetrical Bulb Section

        Section designation Section sizes, mm Product Standard Steel Grade
          H S Lenght
        5 50 4.0 4000 - 12000 GOST 21937-76,GOST 5521-93 РСА, РСБ, A, В, D, А32 ,D32,
        Е32, А36, D36 ,Е36, А40,
        D40, А40S, D40S
        6 60 5
        7 70 5
        8 80 5
        9 90 5,5
        10 100 6
        12 120 6,5
        14a 140 7
        14б 140 9
        16a 160 8
        16б 160  10 EN10067 GL-A, GL-B
        18a 180 9
        18б 180  11
        20a 200 10
        20б 200  12
        22a 220 11
        22б 220  13
        24a 240 12
        24б 240  14

        Section designation Section sizes, mm Product Standard Steel Grade
          H S Lenght
        80 80 6-7,0 6000 - 12000 DIN 1019, EN 10067 A, В, D, А32, D32, Е32, А36,
        D36, Е36, А40, D40, А40S, D40S
        100 100 7-8,0
        120 120 7-8,0
        140 140 7-8,0
        160 160 7-9,0
        180 180 8-10,0
        200 200 9-11,5
        220 220 10-11,5
        240 240 10-12,0

        Symmetrical Bulb Section

        Section designation Section sizes, mm Product Standard Steel Grade
          H S Lenght
        10 100 5,5 6000-9000 ГОСТ 9235-76,GOST 5521-93 A, B, D, A32-E32, A36-E36, A40,
        D40, A40S, D40S, 10ХНЗМД,
        10ГНБ, 45Г17Ю3
        35 350  

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