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Steel sheet piles are a commonly used structural component for support and retaining in civil engineering, usually composed of longitudinally interlocked thin-walled steel plates. They can interlock with each other through the interlocking at the edges to form continuous retaining walls or enclosure structures.
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Large-diameter seamless steel pipes generally refer to large-sized steel pipes with an outer diameter of 300 millimeters or more, which are formed in one piece through processes such as hot rolling or hot expansion, and have no welds in the pipe body.
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Seamless steel pipes are widely used in industries such as structures, fluid transportation, boilers, and oil and gas due to their excellent strength, pressure resistance, and extensive application fields.