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A514 Gr Q structural steel material, Boiler steel plate is a kind of medium and heavy steel plate used to make important parts of boilers. From the material point of view, boiler steel plate can be divided into special carbon steel plate and low alloy heat resistant steel plate. According to the different working conditions, the boiler steel plate can be divided into two categories: manufacturing room temperature and medium temperature pressure bearing parts steel plate and manufacturing high temperature pressure bearing part steel plate. Boiler steel plate is widely used in petroleum, chemical industry, power station, boiler and other industries.
Boiler steel A514 Gr Q structural steel material inventory: 14*2000*11181, 14*2070*9060, 14*2200*10030, 15*2200*10270, 15*2500*10000, 15*2992*10185, 16*1500*9340, 16*1800*6000, 16*2000*10713, 16*2120*6080, 16*2230*7650, 18.5*2320*6600, 20*1400*11400, 20*2100*7000, 20*2933*7300, 20*3200*4400, 20.9*2851*7000, 21*2100*8810, 21.5*1630*13480.
20G steel is boiler steel, which is similar to No. 20 carbon steel. The difference is that 20G steel has higher and stricter inspection standards than A514 Gr Q structural steel material, No. 20 carbon steel for harmful impurities and internal defects. That is to say, 20G steel is specially produced for boiler pressure vessels. It is special purpose "No. 20 carbon steel". The use of 20G steel to make boilers is not because it is more resistant to burning than other steels such as A514 Gr Q structural steel material, but because of its strength, toughness, ductility, weldability, temperature influence, fatigue fracture, price and cost, etc. 20G steel is most suitable for use in medium and low pressure boilers.
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