A387 gr 12 pressure vessel steel sheet plate specification

The difference between Q235 steel and Q345 steel:The lower limit of yield strength of Q235 steel is 235MPa, the lower limit of yield strength of Q345 steel is 345MPa. The A387 gr 12 pressure vessel steel sheet alloy content of Q235 steel is common carbon steel and Q345 steel is low alloy steel. Q345 steel is used for structures, mechanical parts, building structures, general metal structures bearing dynamic loads such as medium and low pressure vessels, oil tanks, vehicles, cranes, A387 gr 12 pressure vessel steel sheet mining machinery, power stations, bridges, etc..

Special boiler steel is derived from carbon structural steel, A387 gr 12 pressure vessel steel sheet. The expression of boiler steel grade is similar to that of high-quality carbon structural steel, and the carbon content is usually 0.20%. The chemical composition of boiler steel is basically the same as that of high-quality carbon structural steel of the same brand, but the mechanical properties are strictly required, especially the impact toughness, and the aging sensitivity is required to be small. After deoxidation and removal of non-metallic inclusions, boiler steel has a uniform structure, the grain size is controlled at 3-7 grade, and the defects such as interlayer, shrinkage, porosity and porosity are relatively less.

In actual processing applications, the processing A387 gr 12 pressure vessel steel sheet thickness of flame cutting ranges from 6 to 200 mm, and the A387 gr 12 pressure vessel steel sheet cutting thickness can even reach 350 mm by replacing the air pipe and cutting torch nozzle. In order to better improve the cutting quality, the related process parameters will be slightly different when using flame cutting for materials of different thickness. The verticality of the cutting surface processed by the CNC flame cutting machine is generally high, and the slope can be controlled below 2-3°. The characteristic is that flame cutting performs better when cutting A387 gr 12 pressure vessel steel sheet with a certain thickness above 10mm.

The company is mainly engaged in A387 gr 12 pressure vessel steel sheet steel plates manufacturing and deep processing, sales and distribution. It is committed to building a complete modern steel purchase and sale network. Here we would like to express our sincere gratitude to our old and new friends who have always given care, support, affirmation and help, and sincerely hope to establish a long-term cooperative relationship with them for mutual benefit, win-win and common development, and work A387 gr 12 pressure vessel steel sheet together for a better tomorrow.

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