Q195 carbon bonded steel

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With the continuous development and progress of the steel industry, the position of carbon-bonded steel in the steel market has gradually risen, and has become an important member of the market. Q195 carbon junction steel is a special steel made of high carbon steel and low alloy steel. It not only has strong corrosion resistance, high strength and excellent characteristics, but also has a wide range of applications in many industrial fields.

First of all, let's look at the grade of Q195 carbon bonded steel. Q195 carbon bonded steel is ASTM R002, which is a type of high alloy steel. In terms of chemical composition, the carbon content of Q195 carbon-bonded steel is controlled below 0.7%, the sulfur content is greater than 0.25%, and the phosphorus content is more than 0.40%. In terms of mechanical properties, the tensile strength of Q195 carbon-bonded steel exceeds 150MPa and the yield strength exceeds 205MPa. In terms of hardness, the hardness of Q195 carbon-bonded steel is HB=60-63 degrees, and the elongation is greater than 12.5mm/m. In addition, the thermal conductivity of Q195 carbon bonded steel at 1000 atmospheres is 0.487W/(m·K), and the wear resistance can reach more than 55 times. Because of these excellent properties, Q195 carbon bonded steel is widely used in automobile manufacturing, tractors and construction machinery.

Next, let's take a closer look at the chemical composition of Q195 carbon-bonded steel. The chemical composition of Q195 carbon junction steel mainly includes Si, Cr, Mn and P elements, and its content is: 4.3wt%±1%. Among these four elements, the percentage of Si, Cr and Mn elements in steel is 46.94%, 28.65% and 7.35%, respectively. Because Q195 carbon junction steel contains higher impurities such as silicon and manganese, its mechanical properties are poor, but it has good wear resistance and corrosion resistance. In contrast, the chemical composition of Q1965 carbon-bound steel is: 2.0wt%-3.0% Si.

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