Henan, China
        Business Type:
        Manufacturer/Factory, Trading Company
        Business Range:
        Manufacturing & Processing Machinery, Metallurgy, Mineral & Energy
        Sample Available

        Shipbuilding Quality Bulb Bar, Grade a Bulb Bar, Bulb Flat Steel manufacturer / supplier in China, offering ABS Gr. E Bulb Flat Steel Bar for Shipbuilding, Tempered High Strength Low Alloy Steel Plate for Automotive Industry, China Corrugated Galvanized Steel Zinc Roof Sheet Prices and so on.

        Diamond Member Since 2010
        Audited Supplier
        • ABS Gr. E Bulb Flat Steel Bar for Shipbuilding
        • ABS Gr. E Bulb Flat Steel Bar for Shipbuilding
        • ABS Gr. E Bulb Flat Steel Bar for Shipbuilding
        • ABS Gr. E Bulb Flat Steel Bar for Shipbuilding
        • ABS Gr. E Bulb Flat Steel Bar for Shipbuilding
        • ABS Gr. E Bulb Flat Steel Bar for Shipbuilding

        ABS Gr. E Bulb Flat Steel Bar for Shipbuilding

        Min. Order: 25 Tons
        Port: Tianjin, China
        Production Capacity: 5000tons/Month
        Payment Terms: L/C, T/T, Western Union
        Standard: DIN, JIS, AISI, ASTM
        Technics: Hot Rolled
        Application: Structural Steel Bar
        Surface: Original
        Alloy: Non-alloy
        Special Use: Shipbuilding Section Steel

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        Basic Info.

        Model NO.
        High Quality
        Low Price
        Average 30 Days
        Transport Package
        Bundle and Bare or According to Customer Inquire
        shipbuilding quality bulb bar Grade A
        1. Grade: A, B, AH36, DH32 DH36 Series
        2. Classification society: CCS/ABS/LR/BV/DNV/KR/NK...
        3. Length: 6m-12m
        4. Size: 80*5mm--430*20mm
        5. Packing: In bundle or we can make spacking as your required
        6. Payment term: T/T, L/C
        4340 Steel 
        Equivalent gradesGBDINAISIJIS 
        40CrNiMoA1.6582 4340SNCM8 
        Chemical CompositionCSiMnCr MoNiPS 
        Available sizeRound BarDiameterLength
        Flat BarThicknessWidthLength
        Surface conditionBlack surface/ Grinded/ Machined
        Annealed hardnessHBS≤248
        Characteristicsspecial alloy steel, supplied in quenched and tempered conditions. High strength and tenacity, good hardenability.
        Applicationsheavily loaded parts for mechanical engineering and motor construction. 
        Heat TreatmentForgingHeat to 1150ºC Hold till uniform.Minimum forging temperature 850ºC.Cool slowly in ashes or sand etc.
        AnnealingHeat to 830ºC-850ºC.Cool infurnace.
        Stress RelievingAnnealed: Heat to 600ºC-650ºC.Hardened: Heat to 500ºC-550ºC.Cool in still air.
        HardeningHeat to 830ºC-880ºC.Quench in oil or polymer.
        TemperingHeat to 450ºC-660ºC cool in still air NB. Tempering within the range 250ºC-450ºC will result in temper brittleness and should be avoided.
        Company Profiled

        Wugang Hongxing Metal Material Co., Ltd. Is located in Wuyang City and is specialized in manufacturing Steel Plates. With an experienced and professional team, we have exported our products to many countries and regions all over the world, especially Southeast Asia, the Middle East and Eastern Europe. Our products enjoy a good reputation among our customers. We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits.
         Payment Items  L/C at sight or T/T.
         Deliver Conditions average 30 days
         Supply Ability10,00MT per month 
         Certificate  ISO9001
         1. We can supply you with reasonable
        and competitive price and good quality
          2. If you are interested in any
        of products,please contact us for more information. 

        Wugang Chang Yu Long Industry and Trade Co., Ltd. was established in 2002,the Guangzhou LongShengHing Trading Co.,Ltd and Hongkong Chang Yu Long Trade Co.,Limited was establish in 2008.(The founder Mr.yan, the charge of the production department of the Hesteel Group Co.,Ltd.Hesteel is the world's second largest and China largest iron&steel maker and integrated service provider measured by the production capacity.he has been in steel industry for more than thirty years).

        The Wugang Chang Yu Long Industry and Trade Co., Ltd. develop high-end product at first,like military steel and heavy plate,and gradually develop a more wide range of product.now the product contain steel plate,hot rolled steel coils,colded rolled steel coil,PPGI,galvanized steel coil,round bar,steel rebar,wire rod,etc.

        Our product reach the specification of ASTM,JIS,BS,DIN and othe international standard and our shipbuilding plate get certificate of nine country classification society.

        If you have any needs of steel products, can contact me, welcome to inquiry.


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