Hot rolled p295gh steel application density value

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There are many types of P295GH steel application etc. alloy steel plates, which can be divided into different types according to different standards. If divided according to the element composition of the alloy, the alloy steel plates can be divided into four types. The first is chromium steel, in which chromium is an important part of alloying elements. The second type is chromium-nickel steel, the third is manganese steel, and the last type is silico-manganese steel. The types of these alloy steel plates are named according to the composition of the alloying elements contained in the steel, so you can roughly understand their composition based on their names.

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p295gh steel application annealing is to heat the steel to 30 ~ 50℃ above the critical temperature, keep it in the heat treatment furnace for a period of time, and then cool it down to room temperature with the furnace. The purpose of p295gh steel application annealing is to refine the grain of steel, eliminate internal stress and reduce hardness, improve cutting performance, increase toughness and plasticity, and facilitate welding and rolling processes. p295gh steel application annealing can be complete annealing, incomplete annealing, stress relief annealing, isothermal annealing and spheroidizing annealing.

With the increase of temperature, the yield limit of p295gh steel application will decrease monotonically, but the tensile strength of p295gh steel application will rise to a high peak value at a certain temperature, and then decrease. This peak temperature is called the blue brittleness temperature of p295gh steel application. Near the blue brittleness temperature, the p295gh steel application strength increases and the plasticity decreases. The elongation and section shrinkage of p295gh steel application 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.

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