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POSCO's Cryogenic High Manganese Steel Meets New Global Standard

May. 23, 2017
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  • - As it can withstand -196℃, it is fit for storing and carrying LNG ···As it is also inexpensive, it is expected to replace competitive materials
    - Last year, it was supplied as the material for the fuel tank of the LNG-fueled bulk carrier which was being built by Hyundai Mipo Dockyard

    The cryogenic high manganese steel, which POSCO developed for the first time in the world, meets a new standard from ASTM International, an international standards organization related to materials and standards.


    ASTM International is an organization that develops and publishes technical standards for many materials, including metals and non-metals. Until now, more than 30,000 experts from 140 countries participated and established more than 12,000 technical standards. ASTM standards and specifications are used by engineers not only in the US but globally.


    The cryogenic high manganese steel, which meets ASTM International standard is a high-value-added material that POSCO proprietarily developed after more than a decade of research. It is the representative World Premium steel product of POSCO. Cryogenic high manganese steel is a steel product that can withstand a very low temperature, i.e. -196℃ and is suitable storing and transporting LNG(Liquefied Natural Gas). Especially because it has more weldability than conventional nickel alloy steel, and it is 20~30% cheaper than nickel alloy steel, stainless steel and the aluminum alloy steel, it is expected to replace competitive materials.


    POSCO is striving to develop and commercialize new steel products, and due to meeting a new ASTM International standard, POSCO is said to be a step ahead of its competitors in terms of technology. Teresa Cendrowska, VP, Global Cooperation at ASTM International, said, "Participation in ASTM International's open standards development process offers stakeholders many benefits such as the opportunity to: provide direct and material input, engage in global partnership, address market needs and trade opportunities, and incorporate innovative technology in standards. As an regular and long-time active participant in ASTM International Committee A01 on Steel, Stainless Steel and Related Alloys, POSCO's success in proposing and leading the new standard Specification of A1106/A1106M demonstrates these benefits."


    Meanwhile, last year, POSCO supplied the cryogenic high manganese steel as the material for the LNG fuel tank of the world's largest LNG-fueled bulk carrier (a bulk carrier using LNG as fuel) which was being built by Hyundai Mipo Dockyard. POSCO is planning to concentrate on further reinforcing its solution marketing together with domestic and overseas oil majors and EPC customers, and selling WP products in the energy sector and developing new markets.

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