Bi-Block Steel Sleeper for Metro Rail
Bi-block steel sleeper design with two connected blocks for metro rail track stability on concrete beds. Classified in HTS 7302.90.1000 for steel sleepers in railway/tramway construction. Optimizes space in underground systems.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If concrete version without steel
Pure concrete sleepers classified under cement articles.
If adapted for elevated metro structures
Structural integration shifts from track material.
If with crossing frog elements
Incorporation of switch components changes subheading.
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Import Tips & Compliance
• Provide installation drawings showing rail clip compatibility; comply with metro authority specs; pitfall—ensure not confused with concrete bi-blocks under Chapter 68
Related Products under HTS 7302.90.10.00
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Prestressed Concrete Filled Steel Sleeper
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Welded Steel Railway Tie
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