D2 Tool Steel Ground Round Bar 10mm
A 10mm diameter round bar made from D2 tool steel (1.5% carbon, 12% chromium), cold-finished with ground surfaces for precision applications. Classified under HTS 7228.50.10.20 as tool steel bar (not high-speed) with round cross-section, maximum dimension under 18mm, and ground finish. Meets tool steel definition due to high carbon and chromium content.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If high-speed steel
High-speed steels (with tungsten/molybdenum/vanadium exceeding tool steel specs) classified separately even with similar finish
If not qualifying as tool steel
Other alloy steel bars (non-tool) with ground/polished finish fall under different subheading
If square/rectangular cross-section over 18mm max dimension
Larger cross-sectional dimension moves to different statistical breakout
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Import Tips & Compliance
• Provide mill test certificate confirming tool steel composition per US note (e)>1.2% C, >10.5% Cr)
• Ensure surface finish documentation shows grinding per 'further worked' exclusion
• Watch for misclassification as high-speed steel which uses different subheading
Related Products under HTS 7228.50.10.20
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O1 Tool Steel Polished Rectangular Bar 12x4mm
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A2 Tool Steel Milled Round Rod 14mm
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S7 Tool Steel Ground Square Bar 15x15mm
S7 shock-resisting tool steel (0.5% C, 3.25% Cr, 1.4% Mo) square bar 15mm x 15mm with ground surfaces for punch applications. Qualifies under 7228.50.10.20 as tool steel with rectangular (square) cross-section under 18mm maximum dimension.
CPM-M4 Tool Steel Polished Round 8mm
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H13 Tool Steel Ground Flat Bar 16x3mm
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