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ship structural steel also named shipbuilding steel, because Poor working conditions of the ship, the ship by sea shells and chemical corrosion, electrochemical corrosion and marine organisms, microbial corrosion; Ship to withstand greater shock waves and alternating load; So very strict requirements for shipbuilding steel.
First, good toughness is the most critical requirement
Furthermore, it requires a high strength, good corrosion resistance, weldability, formability and surface quality of processing.
To maintain quality and ensure adequate toughness, chemical composition requirements of Mn / C is at least 2.5 on the carbon equivalent, there are strict requirements for the ship inspection department approved steel production.
Shipbuilding steel including Normal strength steels and High-strength steel, Normal strength steels according to the quality of A, B, C and D are four grades�� High-strength steel is divided into two intensity levels and three quality levels; AH32, DH32, EH32, AH36, DH36, EH36.
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
