S7 Tool Steel Rectangle Bar Stock
S7 shock-resisting tool steel in rectangular semi-finished form with width ≥4x thickness, for impact tools. Classified HTS 7224.90.0025 as tool steel semi-finished rectangular product. S7 qualifies via carbon/chromium tool steel definition.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If clad or coated for corrosion resistance
Metal coating constitutes 'further worked' per chapter note, moving to 7228.
If in coil form rather than straight lengths
Coiled semi-finished alloy steel uses different headings.
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Import Tips & Compliance
• Certify as tool steel with reference to specific AISI/SAE grade and chapter note compliance
• Avoid common pitfall of classifying hot-rolled bars as semi-finished if fully shaped
• Prepare for CBP verification of 'other alloy steel' vs tool steel distinction
Related Products under HTS 7224.90.00.25
D2 Tool Steel Flat Bar
A rectangular cross-section flat bar made from D2 tool steel (high-carbon, high-chromium alloy steel) with a width at least four times the thickness, used for making cutting tools and dies. Classified under HTS 7224.90.0025 as semi-finished tool steel of rectangular shape meeting the width-to-thickness ratio. Meets tool steel definition with over 1.2% carbon and over 10.5% chromium.
A2 Tool Steel Rectangle Slab
Semi-finished A2 air-hardening tool steel slab with rectangular cross-section where width exceeds four times thickness, ideal for shear blades and punches. Falls under HTS 7224.90.0025 as other tool steel semi-finished products of specified flat dimensions. A2 qualifies as tool steel with 0.3-1.2% carbon and 1.25-10.5% chromium per chapter notes.
O1 Tool Steel Flat Billet
O1 oil-hardening tool steel flat billet with rectangular section, width at least four times thickness, used for tooling and gauges. HTS 7224.90.0025 covers such semi-finished tool steel products. O1 meets tool steel criteria with ≥0.85% carbon and 1-1.8% manganese.
M2 High-Speed Tool Steel Flat
M2 molybdenum high-speed tool steel flat semi-finished product, rectangular cross-section with width at least four times thickness, for drill bits. HTS 7224.90.0025 for tool steel semi-finished flats. Contains elements meeting multiple tool steel criteria (C, Cr, Mo, W).
H13 Hot Work Tool Steel Flat
H13 chromium-molybdenum hot work tool steel flat bar stock, rectangular section width ≥4x thickness, for die casting molds. HTS 7224.90.0025 covers semi-finished tool steel flats. Meets tool steel note (iv) with Cr/Mo content.
L6 Tool Steel Rectangle Billet
L6 nickel-chromium tool steel rectangle billet with flat profile (width 4x+ thickness), shock resistance applications. Classified HTS 7224.90.0025 as tool steel semi-finished. Alloy meets carbon/chromium tool steel definition.