Industry overview

Since the beginning of the new century, the world economy has grown steadily, the shipping industry has continued to develop, and the world shipbuilding market has shown a prosperous momentum. China's industrial and scientific research system is sound, the industrial development foundation is stable, has a long coastline suitable for shipbuilding, the development of shipbuilding industry has a strong comparative advantage. In the "Twelfth Five-Year Plan", the country has listed the shipbuilding industry as a pillar industry of the national economy. After decades of development, China's shipbuilding industry has significantly increased its share of the world shipbuilding market, and has become the world's three major shipbuilding powers with South Korea and Japan.

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  • Marine Angle Steel

  • Bulb Flat Steel

  • Lnverted Angles

  • Welding Materials

Product application

Marine steel is widely used in the construction of bulk carriers, container ships, VLCC, cruise ships, warships and offshore platforms, and is an essential steel product for shipbuilding and offshore engineering. Marine section steel is widely used in ship structure, is welded on the ship plate "reinforcement", play a role in improving strength. In recent years, the trend of ship upsizing is becoming more and more obvious, and the demand for Marine steel is also showing a trend of upsizing.

Steel ingot products are used in ship rudder rod, intermediate shaft, large hook, rudder pin and other Marine forgings. The steel ingot has been certified by Nine national Classification Societies.



Research and Development

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    Special-shaped high-pressure water descaling technology

    Multi-channel special-shaped high-pressure water descaling technology meets the technical specifications of international shipbuilding industry PSPC.

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    Professional TMCP Rolling technology

    Professional TMCP rolling technology can be used proficiently to keep final rolling temperature being firmly controlled under the austenite recrystallization temperature, and the toughness of the finished product is fully optimized.

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    Double straightening + strong straightening

    Double straightening + strong straightening is becoming perfect to ensure that the straightness accuracy of each Marine section steel is less than 1‰, reaching the international advanced level.

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    Advanced technology and high-end technics

    NJB400 ball flat steel independent research and development to achieve localization instead of imports, advanced technology and high-end technology to be fully affirmed.

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    Marine steel intelligent inspection system

    The independent development of Marine steel intelligent inspection system has fully realized the monitoring and management of the quality of steel and manufacturing process.

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    Certified by 9 classification societies

    Our company's products are approved by China Classification Society, Det Norske Veritas, American bureau of Shipping, Lloyds Register of Shipping, Nippon Kaiji Kyokai, Bureau Veritas, Korean Register of Shipping, Bureau Veritas, Russan Maritime Register of Shipping, and get TUV, DB, CE certification, Canadian steel structure CWB certification, Saudi SASO certification, etc

  • PSPC.svg
    Special-shaped high-pressure water descaling technology

    Multi-channel special-shaped high-pressure water descaling technology meets the technical specifications of international shipbuilding industry PSPC.

  • 终轧温度.svg
    Professional TMCP Rolling technology

    Professional TMCP rolling technology can be used proficiently to keep final rolling temperature being firmly controlled under the austenite recrystallization temperature, and the toughness of the finished product is fully optimized.

  • 强力矫直.svg
    Double straightening + strong straightening

    Double straightening + strong straightening is becoming perfect to ensure that the straightness accuracy of each Marine section steel is less than 1‰, reaching the international advanced level.

  • 进口产品.svg
    Advanced technology and high-end technics

    NJB400 ball flat steel independent research and development to achieve localization instead of imports, advanced technology and high-end technology to be fully affirmed.

  • 智能检测系统.svg
    Marine steel intelligent inspection system

    The independent development of Marine steel intelligent inspection system has fully realized the monitoring and management of the quality of steel and manufacturing process.

  • chanpinzhiliang.svg
    Certified by 9 classification societies

    Our company's products are approved by China Classification Society, Det Norske Veritas, American bureau of Shipping, Lloyds Register of Shipping, Nippon Kaiji Kyokai, Bureau Veritas, Korean Register of Shipping, Bureau Veritas, Russan Maritime Register of Shipping, and get TUV, DB, CE certification, Canadian steel structure CWB certification, Saudi SASO certification, etc

Product Certification

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ABS
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BV
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CCS
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CE
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DNV
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KR
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LR
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LR
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LR
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NK
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RS

Be our partners

Longteng Special Steel actively seek industry cooperation, jointly promote industry progress and dev

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Contact us

Please provide the following details so that our representatives can better understand your needs and get in touch with you as soon as possible.

Section Steel Company
Pipe Pile Steel
Hot Rolled and Hot Forged Grinding Balls
Bearing Steel Balls
Steel Bar
Wire Rods
Welding Materials
Pipe Flanges
Automobile Forgings
Large Ingots and Forgings
Middle Plates
Mould Steel

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