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S355G8 steel belongs to the structural steel of European EN10225 standard, which stipulates the chemical composition, mechanical properties and welding performance of offshore structural steel.
S355G8+M and S355G8+N steel plates are impacted at -40℃. They are welded structural steels for fixed offshore structures. "S" means structural steel, "355" means the lowest yield strength of the steel plate, G8 means the number related to the characteristics of the steel, M is the delivery state of hot rolling or TMCP, and N is the delivery state of normalizing or normalizing rolling.
At present, China has not yet formulated steel standards for marine engineering. Most domestically, low-carbon equivalent, microalloying, and reasonable heat treatment processes (such as normalizing) have been developed after controlled rolling to develop steel plates such as S355NL and S355J2, which can satisfy some application of offshore platforms and structures.
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
