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When planning a construction project, one of the most frequent questions buyers ask is why different TMT bar grades come with varying price tags. The answer lies in the mechanical properties, chemical composition, manufacturing process, and intended application of each grade. High-grade TMT bars like Fe 550D or Fe 600 offer higher tensile strength and ductility, making them ideal for heavy-load structures and seismic zonesu2014but they naturally come at a higher cost. Understanding what goes into the pricing of each grade helps you make informed choices that balance performance with budget.
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