O1 Tool Steel Polished Rectangular Bar
25 mm x 20 mm rectangular section bar of O1 oil-hardening tool steel, polished finish for gauge and fixture manufacturing. Fits HTS 7228.50.10.60 as tool steel bars (U.S. note (e)(iii): ≥0.85% C, 1-1.8% Mn) with rectangular cross-section >18 mm max dimension and polished surfaces from cold-finishing.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If sold as part of a tooling set with other components
Sets containing bars and shapes classified by essential character in 7228.50.20 if not purely individual bars.
If supplied in straight lengths but considered wire rod
Narrower rectangular sections resembling wire rods shift to chapter 72 wire provisions.
If not alloyed to tool steel specifications
Flat-rolled or basic carbon steel equivalents without alloy elements fall under earlier headings.
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Import Tips & Compliance
• Provide chemical analysis confirming tool steel elements (C, Mn levels) to CBP; mismatches lead to 7228.50.30 reclassification
• Ensure no heat treatment beyond cold-finishing; annealed condition only, as quenched/tempered may affect alloy steel heading
• Label dimensions clearly; max cross-section determines statistical suffix within 7228.50.10
Related Products under HTS 7228.50.10.60
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A 20 mm diameter round bar made from D2 alloy tool steel, cold-finished with ground surfaces for precision machining applications. Classified under HTS 7228.50.10.60 as tool steel (meeting U.S. note (e)) bars of round cross-section with maximum dimension over 18 mm and ground surfaces, not further worked beyond cold-finishing. Ideal for dies, punches, and shear blades requiring high wear resistance.
A2 Tool Steel Milled Round Bar
22 mm diameter A2 air-hardening tool steel bar with milled surfaces for precision tooling blanks. HTS 7228.50.10.60 applies to this cold-finished tool steel (U.S. note (e)(ii): ≥0.3% C, 1.25-10.5% Cr) round bar over 18 mm with machined surfaces, not further processed.
CPM-M4 Tool Steel Polished Round Bar
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H13 Tool Steel Milled Rectangular Stock
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S7 Tool Steel Ground Flat Bar
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