A572 Gr 60 carbon steel material can stand the test

The rise and fall of A572 Gr 60 carbon steel material, steel pipe price will be affected by many factors, such as market demand. If the construction of real estate industry, basic road construction and so on industries is booming, the sales volume of steel pipes will be very good, and the market supply will gradually increase. The market demand has a very important guiding significance for A572 Gr 60 carbon steel material, steel pipe manufacturers, dealers and agents in many regions.

With the increase of temperature, the yield limit of A572 Gr 60 carbon steel material will decrease monotonically, but the tensile strength of A572 Gr 60 carbon steel material will rise to a high peak value at a certain temperature, and then decrease. This peak temperature is called the blue brittleness temperature of A572 Gr 60 carbon steel material. Near the blue brittleness temperature, the A572 Gr 60 carbon steel material strength increases and the plasticity decreases. The elongation and section shrinkage of A572 Gr 60 carbon steel material increase with the increase of temperature, but there is a low peak at the blue brittleness temperature. The blue brittleness temperature of low carbon steel ranges from 200 ℃ to 250 ℃. The blue brittleness of low alloy steel is not obvious as that of low carbon steel, and the blue brittleness temperature is higher.

During the construction of hot-dip A572 Gr 60 carbon steel material galvanized pipe, the correct welding process shall be adopted, the inspection and acceptance shall be carried out in strict accordance with the specification, and the anti-corrosion treatment (zinc rich paint) shall be done timely after the welding is completed. It is feasible in the construction process of open and closed air conditioning system, which can improve the A572 Gr 60 carbon steel material construction speed and the firmness of the pipe connection. Therefore, the hot-dip galvanized pipe can be welded and connected under the construction conditions and on the premise of relevant protection and anti-corrosion measures.

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