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Recently, with the steady recovery and development of various industries, A36 carbon steel plate, as a widely used basic material, has shown a significant growth in market demand, and its industry development prospects have attracted much attention.

A36 carbon steel plate implements the ASTM A36/A36M-03a standard in the US ASTM standard, which is equivalent to the domestic Q235 steel. It has excellent comprehensive performance and plays a key role in many fields such as construction, machinery manufacturing, shipbuilding, and vehicle manufacturing. From the perspective of chemical composition, its carbon content is generally around 0.25%, and the low carbon content gives it good welding performance and toughness; the manganese content is 0.8%-1.2%, and the appropriate amount of manganese helps to improve the strength and hardness of the steel; at the same time, strict control of harmful elements such as phosphorus (≤0.04%) and sulfur (≤0.05%) ensures the purity and quality stability of the steel.

In terms of performance, A36 carbon steel plate performs excellently. Its yield strength is ≥250MPa, and its tensile strength is between 400MPa and 550MPa. It has a high bearing capacity and can withstand large loads. In terms of toughness, it has good compressive resistance at room temperature, and can maintain good toughness in low temperature environments. It is not easy to become brittle and has good impact resistance, which can ensure the safety and stability of the structure in harsh environments. The elongation is greater than 20%, the plasticity is good, and the processing performance is excellent. It can be easily cut, drilled, bent, stamped, formed, etc. to meet the diverse needs of different engineering projects for shapes and structures. Good weldability is also a major advantage. Whether it is manual welding or automatic welding, high-quality welds can be obtained to ensure the strength and sealing of the welded joints. Although its corrosion resistance is average, it can effectively adapt to various environments after surface treatments such as galvanizing and painting.

The construction field is one of the important application markets for A36 carbon steel plates. In the construction of residential buildings, office buildings, shopping malls and other buildings, it is widely used to manufacture load-bearing structures such as beams, columns, frames, and auxiliary facilities such as stairs and handrails to provide stable support for buildings. In terms of bridge construction, whether it is a highway bridge or a railway bridge, A36 carbon steel plate relies on its high strength and good processing performance to make the bridge structure more durable and reduce the difficulty and cost of construction. The machinery manufacturing industry also relies heavily on A36 carbon steel plates, which are often used to manufacture mechanical structural parts and components such as excavators, cranes, agricultural machinery, as well as bearings, gears, bolts, etc. In shipbuilding, it provides solid structural support for ships; in vehicle manufacturing, some structural parts are also made of it; the manufacture of oil tanks, pipelines, pressure vessels, etc. is also inseparable from A36 carbon steel plates.

According to market research institutions, the domestic A36 steel plate capacity utilization rate will be about 85% in 2025, an increase of 3 percentage points from 2024. This is due to the country's continuous rectification of the problem of overcapacity in the steel industry and the strict implementation of environmental protection policies. In 2025, the domestic new A36 steel plate production capacity will be about 10 million tons, mainly concentrated in North China and East China. The release of new production capacity will further optimize the domestic supply structure and enhance the supply capacity of high-end products. In terms of price, the average price of domestic A36 steel plates in 2025 is 4,500 yuan per ton, up 5% from 2024, mainly affected by fluctuations in raw material prices and market demand growth.

From the perspective of future development trends, from 2026 to 2030, the market supply of A36 steel plates in China will continue to grow steadily, with an average annual growth rate of 6% to 8%. By 2030, the total output of A36 steel plates in China is expected to reach 160 million tons, of which the proportion of high-end products will increase to more than 35%. With the development of domestic manufacturing industry,