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The -10℃ crack arrest toughness of 100mm thick EH40 container ship anti-cracking steel produced by BBN steel is much higher than the requirements of the classification societies of various countries, marking our first successful production of 100 mm thick container ship anti-cracking steel.
Large container ships can significantly reduce construction costs, operating costs, and energy consumption. But one of the most important challenges facing by ultra-large container ships is how to ensure the safety of ultra-large hull structures, which require thicker specifications and higher strength steel plates. The ultra-thick steel plates with high crack arrest toughness for ultra-large container ships have extremely high requirements on equipment and technology and are extremely difficult to produce.
BBN steel successfully developed 100mm thick EH40 container ship anti-cracking steel through research on key industrial production technologies such as chemical composition design, clean steel smelting, high-quality slab continuous casting, low compression ratio and high penetration temperature controlled rolling, and ultra-thick plate controlled cooling.
GB T 5312 Carbon and carbon-manganese steel seamless steel tubes and pipes are mainly for ship use, also known as shipbuilding steel pipes. Under GB T 5312, there are mainly 5 steel grades: grade 320, 360, 410, 460 and 490. Each grade covers three levels: I, II, III.
Angle steel, commonly known as angle iron, is a long strip of steel whose sides are perpendicular to each other. There are equal angle steels and unequal angle steels. The two sides of equal angle steel are equal in width. The unequal angle steel is also known as L shape profile steel.
Flat bar steel can be produced according to the user's needs, with fixed thickness, width and length. It can reduce the cutting process for users, reduce the consumption of labor and materials, and also reduce the processing loss of raw materials.
Bulb flat steel for shipbuilding
The bulb flat steel is a kind of medium section material which is mainly used in the field of shipbuilding and bridge building, and the shipbuilding bulb flat steel is an auxiliary medium section material for shipbuilding.
The steel for shipbuilding and oil platform---FH40, is the high tensile strength steel.The shipbuilding steel FH40 is the Hull structural steel.We can provide FH40 shipbuilding steel plate price.
The steel for shipbuilding and oil platform---EH40, is the high tensile strength steel.The shipbuilding steel EH40 is the Hull structural steel.We can provide EH40 shipbuilding steel plate price.
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BBN SHIP STEEL FACTORY
