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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If of heat-resisting steel composition
Heat-resisting alloys <0.3% C, 4-10.5% Cr use separate semi-finished heading.
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Import Tips & Compliance
• Hot work steel cert must reference specific chapter note criteria met
• Distinguish from heat-resisting steel (different carbon/chromium limits)
• Bulk packaging ok; retail sets would change to finished goods headings
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.
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.
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).
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.