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Compared to general structural steel, shipbuilding steel has several distinctive performance characteristics.
Low-temperature Impact Toughness
Ships operate in cold marine environments, so shipbuilding steels need good low-temperature impact toughness to maintain strength at lower temperature.
Corrosion Resistance
Ships are exposed to seawater, so they should have excellent corrosion resistance to prolong their service life.
High Strength
Ships require lightweight materials so that have ability to withstand the challenges of the sea, hence shipbuilding steels typically have higher yield and tensile strengths.
Good Weldability
Shipbuilding steels must possess good weldability for effective welding during ship construction, ensuring welded joints maintain strength and durability.
Common grades of shipbuilding steel
ASTM A131 Grade A, B, D, E
ABS Grade A, B, AH32, DH32, EH32, AH36, DH36, EH36
DNV Grade A, B, D, AH32, DH32, EH32, AH36, DH36, EH36
CCS Grade A, B, 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
