TRIP800 Ultra High-Strength Steel Coil for Crash Structures
Transformation-induced plasticity (TRIP800) steel cold-rolled coil <0.5 mm thick, >600 mm wide, exceeding high-strength yield criteria. HTS 7209.18.15 designates as nonalloy high-strength cold-reduced products.
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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 high-strength steel ≥0.5mm thick
Same high-strength spec but thicker dimension uses parallel subheading structure.
If chipper knife steel
Narrow composition tolerances in US note (f) classify specialized tool steels separately.
If imported as welded tubes
Post-import fabrication into tubes reclassifies from flat Chapter 72 to seamless/welded tubes in 73.04.
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Import Tips & Compliance
• TRIP steels need formability and strength test data to confirm US high-strength steel definition
• Verify in coil form at import; uncoiling may trigger parts classification
• Prepare alloy content analysis; trace elements shouldn't push into alloy steel headings
Related Products under HTS 7209.18.15
AHSS Cold-Reduced Steel Coil for Appliance Housings
Advanced high-strength steel (AHSS) cold-reduced coil under 0.5 mm thick, over 600 mm wide, yield strength exceeding 275 MPa. Falls under 7209.18.15 as nonalloy high-strength steel, flat-rolled in coils without further working beyond cold-rolling.
DP600 High-Strength Steel Coil for Structural Components
Dual-phase (DP600) high-strength steel cold-rolled coil, thickness <0.5 mm, width >600 mm, minimum yield 355 MPa for thicker gauges but qualifies under thin high-strength definition. HTS 7209.18.15 covers nonalloy steel coils not further worked.
Cold-Rolled HSLA Steel Coil for HVAC Ductwork
High-strength low-alloy (HSLA) steel cold-rolled in coils, <0.5 mm thick, ≥600 mm wide, yield point ≥275 MPa. Classified in 7209.18.15 as qualifying high-strength nonalloy flat-rolled products not further worked.
IF High-Strength Steel Coil for Battery Enclosures
Interstitial-free (IF) high-strength steel cold-rolled coil, <0.5 mm thickness, ≥600 mm width, minimum 275 MPa yield. Fits 7209.18.15 as nonalloy flat-rolled high-strength steel in coils, cold-rolled only.
High-Strength Cold-Rolled Steel Coil for Automotive Panels
Cold-rolled high-strength steel coil, thickness under 0.5 mm and width over 600 mm, meeting minimum yield point of 275 MPa per US note (a). Classified under HTS 7209.18.15 as flat-rolled nonalloy steel in coils, not further worked than cold-rolled, specifically high-strength steel.
Bake-Hardenable BH340 Steel Coil for Furniture Frames
Bake-hardenable (BH340) high-strength steel cold-rolled coil under 0.5 mm, width exceeding 600 mm, qualifying yield strength per US note (a). HTS 7209.18.15 for nonalloy high-strength cold-reduced coils.