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The main reason for the unqualified inspection of medium and thick ABS AH32 ship plate is the serious local center loosening and segregation in ABS AH32 ship plate. After rolling, it is inherited to the finished ABS AH32 ship plate, which is characterized by loose holes or segregation cracks under thermal stress and structural stress.
By strengthening refining control, reducing non-metallic inclusions, applying soft reduction technology and optimizing electromagnetic stirring parameters, the internal quality of ABS AH32 ship plate slab can be improved. Optimize heating, rolling process and slow cooling after rolling to compensate for the influence of original defects on defect detection. At the same time, the ABS AH32 ship plate slab design is optimized, and the slab thickness can be increased appropriately to ensure the bonding of loose and segregation cracks when rolling medium and thick ABS AH32 ship plate.
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
