Heavy Duty Gray Iron Backup Roll for Hot Rolling Mill
Gray iron backup roll over 6,803.9 kg providing structural support to work rolls in heavy plate rolling mills. Falls under HTS 8455.30.0025 as a gray iron roll for rolling mills exceeding the weight limit for large-scale steel production.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported as complete roll assemblies with shafts and bearings
Parts and accessories of rolling mills cover assembled roll units.
If primarily for grinding applications rather than rolling
Grinding balls and similar articles of gray iron have separate provisions.
If for use in parts manufacturing machinery rather than metal rolling
Different machinery chapters apply based on primary end-use.
Not sure which classification is right?
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Import Tips & Compliance
• Obtain foundry test reports confirming gray iron microstructure (flake graphite)
• Declare exact gross weight with shipping documentation to meet >3-ton threshold
• Avoid misclassification as machine parts by providing rolling mill engineering specs
Related Products under HTS 8455.30.00.25
Large Gray Iron Work Roll for Steel Plate Mill
A massive gray iron roll exceeding 6,803.9 kg used in hot strip mills for rolling steel plates to precise thicknesses. Classified under HTS 8455.30.0025 due to its gray iron composition and weight exceeding the threshold for heavy-duty rolling mill applications.
Gray Iron Edger Roll for Rolling Mill Beam Production
Specialized gray iron edger roll exceeding 6,803.9 kg used to shape beam edges during steel rolling. HTS 8455.30.0025 classification reflects its gray iron material and heavy weight for structural steel mills.
Two-Strip Gray Iron Work Roll for Tandem Cold Mill
Heavy gray iron work roll over 6,803.9 kg with two-strip configuration for precision cold rolling of steel strip. Classified in HTS 8455.30.0025 due to gray iron construction and weight for high-tonnage cold mills.
Gray Iron Vertical Roll for Section Mill
Vertical gray iron roll exceeding 6,803.9 kg used in section mills for rolling I-beams and H-sections. HTS 8455.30.0025 applies to these heavy gray iron rolls specific to rolling mill operations.
Heavy Gray Iron Guide Roll for Billet Mill
Gray iron guide roll over 6,803.9 kg maintaining billet alignment during rolling passes. Falls under HTS 8455.30.0025 as a specialized gray iron roll for rolling mills exceeding weight threshold.
Gray Iron Looper Roll for Continuous Hot Strip Mill
Large gray iron looper roll exceeding 6,803.9 kg controlling strip tension in hot strip mills. Classified HTS 8455.30.0025 due to gray iron material and heavy weight for continuous casting-rolling lines.