Steel Empowers the Core of Railway Transportation in the New Era
2025-03-28
Currently, as railway transportation transitions toward intelligent and green technologies, the steel industry is accelerating its integration with new materials and technologies.
In the grand narrative of China's modern transportation network, railway transportation has always played a critical role as the "artery of the national economy." Steel, like the "steel backbone" supporting this artery, has driven railway transportation's leapfrog development from "catching up" to "leading" with its superior performance and technological advancements.
From the crisscrossing track laying to the equipment manufacturing of heavy-haul trains, steel is used throughout the entire railway transportation chain. In track construction, high-strength weathering steel, with its fatigue and corrosion resistance, extends rail service life by over 30%, providing a key guarantee for heavy-haul lines like the Daqin Railway to achieve annual transportation volumes exceeding 400 million tons. In high-speed rail construction, the prestressed reinforced concrete used in CRTS III slab ballastless track, leveraging the high toughness of this specialty steel, achieves millimeter-level track laying precision, laying the foundation for the "Fuxing" train to operate safely at speeds of 350 kilometers per hour. In railway equipment manufacturing, steel technology upgrades have become crucial for achieving breakthroughs in transportation efficiency. The use of lightweight, high-strength steel has reduced freight train car weight by 15% and increased single-trip transport capacity by 20%. Stainless steel car bodies, with their paint-free and corrosion-resistant properties, not only reduce EMU maintenance costs but also contribute to the development of green railways. Furthermore, innovations in specialty steels, such as bridge steel and tunnel support steel, are helping megaprojects like the Sichuan-Tibet Railway overcome complex geological challenges, making the vision of "transforming natural barriers into thoroughfares" a reality.
Currently, as railway transportation transitions toward intelligent and green technologies, the steel industry is accelerating its integration with new materials and technologies. From weather-resistant stainless steel to carbon fiber-reinforced steel composites, the new generation of steels, with their superior performance, are contributing to a more efficient, environmentally friendly, and safer railway operation, continuously injecting "steel momentum" into China's strategy of building a strong transportation nation.
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