Electrolytic Zinc Coated Steel for HVAC Ducting
Flat-rolled steel sheets >600 mm wide with electrolytic zinc coating for HVAC duct fabrication. Offers superior corrosion resistance in humid environments vs hot-dip alternatives. HTS 7210.30.00 specifically for electrolytic plating process.
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More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If hot-dip galvanized with specific coating weights
Different coating application method (immersion vs electrolytic) separates classifications.
If corrugated or profiled after plating
Profiled/cladded sheets after coating considered further worked, heading 7212.
If pre-fabricated into duct sections
Assembled structures from plated steel classified as finished metal products in 7308.
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Import Tips & Compliance
• Specify G90/G60 coating designations (ASTM A653 equivalent for electrolytic); process certification needed
• Verify no 'further working' like embossing per Chapter notes to stay in 7210.30
Related Products under HTS 7210.30.00
EG Steel Coil for Automotive Body Panels
Electrogalvanized (EG) steel coils, width 1,200-1,800 mm, for car door and hood panels. Nonalloy steel base with 80-120 g/m² zinc coating applied electrolytically. Precisely matches HTS 7210.30.00 criteria for width and plating method.
G90 Electrolytic Zinc Coated Roofing Sheet
G90 grade (0.90 oz/ft² zinc) electrolytic coated steel sheet for standing seam metal roofing. Width 914-1524 mm, commercial quality. Classifies under HTS 7210.30.00 as electrolytic plating on wide nonalloy steel.
Galvanized Electrolytic Steel Sheet ASTM A879
Flat-rolled nonalloy steel sheet, width over 600 mm, electrolytically coated with zinc per ASTM A879 specifications for corrosion resistance. Used in automotive panels and appliances. Falls under HTS 7210.30.00 as electrolytic zinc plating distinguishes it from hot-dip galvanized products.
Electrolytic Galvanized Cold-Rolled Steel for Appliances
Cold-rolled nonalloy steel sheet >600 mm wide with electrolytic zinc coating for washing machine and refrigerator exteriors. Provides bright finish and corrosion protection. HTS 7210.30.00 covers electrolytic zinc plating on flat-rolled iron/nonalloy steel.
Prepainted Electrolytic Galvanized Steel Sheet
Electrolytically zinc-coated steel sheet with factory-applied color coating for roofing and siding. Base meets 7210.30 specs, but additional paint may trigger further-worked classification. Primarily classified here if plating dominates.
Automotive Grade EG Steel for Door Skins
High-strength electrolytic galvanized steel sheet (yield 275 MPa min) for vehicle door outer panels. Width 1,500 mm, double-sided zinc coating 90 g/m² total. Meets HTS 7210.30.00; high-strength per U.S. note (a) but nonalloy base.