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Compared with land oil and gas exploitation, the marine environment has severe ocean currents, the sea temperature and pressure vary greatly with depth, and the structure of submarine rock formations is very different from that of land wells. The contents of H2S, CO2 and Cl- in marine oil and gas are generally high, and the types of microorganisms on the seabed are complex, and the chemical corrosion and microbiological corrosion capabilities are very strong. Therefore, special steel materials for offshore oil and gas production platforms, such as stainless steel and corrosion-resistant alloys, generally require performance characteristics such as high corrosion resistance, high strength, high toughness, and high wear resistance. A large number of super stainless steel and corrosion-resistant alloy materials have been used in the drilling, processing, and transportation of advanced offshore oil and gas resources abroad.
The so-called "super" stainless steel materials, compared with traditional stainless steel materials, generally refer to a class of high-performance stainless steel materials with high Ni/Cr/Mo, high purity, and strengthening and toughening using N gold or deformation processes, such as super stainless steel Stenite, super ferrite, super duplex stainless steel, nickel-based or iron-nickel-based corrosion resistant alloys, etc.
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
