O1 Tool Steel Cold-Formed Flat Bar
Cold-formed flat bar of O1 tool steel, containing not less than 0.85% carbon and 1-1.8% manganese per note (e)(iii). Used for blades and punches, it remains not further worked than cold-finished, fitting HTS 7228.50.10.
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More Specific Codes
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If free-cutting alloy steel
Steels with added lead/sulfur for machinability classify under 7228.40 instead of tool steel.
If non-alloy steel composition
Lacking alloy elements for tool steel note, it falls to nonalloy cold-finished bars in Chapter 72.
If angles, shapes, or sections
Specific profiles beyond simple bars/rods move to 7228.60 categories.
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Import Tips & Compliance
• Provide detailed chemical analysis confirming O1 meets tool steel manganese/carbon thresholds to CBP upon entry
• Declare exact cold-forming process; any heat treatment beyond may shift to different headings
Related Products under HTS 7228.50.10
S7 Tool Steel Cold-Rolled Square Bar
S7 shock-resisting tool steel square bar, cold-rolled, meeting note (e) molybdenum/carbon criteria. Used for punches and chisels, not further worked, under HTS 7228.50.10.
D2 Tool Steel Cold-Finished Round Bar
A cold-finished round bar made from D2 tool steel, an alloy steel with more than 1.2% carbon and over 10.5% chromium per Chapter 72 note (e). It is not further worked beyond cold-forming, classifying it under HTS 7228.50.10 for tool steel bars other than high-speed steel.
A2 Tool Steel Cold-Finished Hexagonal Rod
A2 tool steel hexagonal rod, cold-finished with 0.3-1.25% Cr and appropriate carbon per note (e)(ii), ideal for dies and shear blades. Classifies under 7228.50.10 as other tool steel bars not high-speed.
CPM-M4 Tool Steel Cold-Finished Bar
Particle metallurgy CPM-M4 tool steel bar, cold-finished, with elevated carbon/chromium qualifying under note (e)(i). For wear-resistant tools, classified as non-high-speed tool steel in 7228.50.10.
M2 Tool Steel Cold-Finished Bar (Non-High-Speed)
M2 tool steel variant formulated without excess tungsten, cold-finished bar meeting standard tool steel note (e). For form tools, classified in 7228.50.10 excluding high-speed types.
L6 Tool Steel Cold-Rolled Band
L6 aircraft-quality tool steel band, cold-rolled, with Ni/Cr per tool note (e). Used for saws/knives, not further worked, HTS 7228.50.10.