The main materials of boiler steel plate are high-quality structural steel and low-alloy heat-resistant steel. Commonly used boiler steel plates include open-hearth smelted low-carbon killed steel or electric furnace smelted low-carbon steel. The carbon content of boiler steel plate is in the range of 0.16%-0.26%. Because the boiler steel plate is working under high pressure at medium temperature (below 350°C), and it is also subject to impact, fatigue load and water and gas corrosion, the performance requirements of boiler steel plate are mainly good welding, cold bending, certain high temperature strength, alkali corrosion resistance and oxidation resistance, etc. Boiler steel plates generally work under medium, high temperature and high pressure. In addition to withstand higher temperatures and pressures, they are also subject to impact fatigue loads and water and gas corrosion. The working conditions are poor. Therefore, boiler steel plates must have good physical properties, mechanical properties, which can ensure the safe use of equipment.
Boiler steel plate is widely used in petroleum, chemical, power station, boiler and other industries, which is used to make reactors, heat exchangers, separators, spherical tanks, oil and gas tanks, liquefied gas tanks, nuclear reactor pressure shells, boiler drums, liquefied petroleum gas cylinders.
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