AISI 9310 Gear-Quality Alloy Wire 3.2mm
Case-hardening alloy steel wire (AISI 9310) with 3.2 mm round diameter for precision gears in aviation and racing. HTS 7229.90.50.51 applies to this other alloy steel wire ≥1.5 mm, not ball-bearing steel per note (h). Clean surface finish for cold heading into fasteners.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If concrete reinforcing per note (c)
Deformed or twisted bars/rods for concrete go to 7214, even if alloy.
If high-strength steel per note (a)
Qualifying high-strength specs move to 7229.20 subheading.
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Import Tips & Compliance
• Provide spectrographic analysis excluding ball-bearing steel elements (note h); measure diameter at multiple points for consistency
• Avoid coiling too tightly to prevent ovality misclassification
Related Products under HTS 7229.90.50.51
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