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The general strength steel for hull structure is divided into four grades: A, B, D and E.
The yield strength (not less than 235N/mm^2) of these four grades of steel is the same as the tensile strength (400～520N/mm^2), but the impact energy at different temperatures is different.
High-strength hull structural steel is divided into strength grades according to its minimum yield strength, and each strength grade is divided into A, D, E, F4 grades according to its impact toughness.
The yield strength of A32, D32, E32, and F32 is not less than 315N/mm^2, and the tensile strength is 440-570N/mm^2. Impact toughness at -40°, -60°;
The yield strength of A36, D36, E36, F36 is not less than 355N/mm^2, tensile strength is 490～620N/mm^2. A, D, E and F represent the impact toughness that can be achieved at 0°, -20°, -40°, and -60° respectively;
The yield strength of A40, D40, E40, and F40 is not less than 390N/mm^ 2. The tensile strength is 510～660N/mm^2, and A, D, E, and F represent the impact toughness that can be achieved at 0°, -20°, -40°, and -60° respectively.
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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