17-4 PH Precipitation Hardening Stainless Coil 28mm
17-4 PH (precipitation hardening) stainless steel hot-rolled rods in irregular coils, 28 mm diameter circular cross section for aerospace and valve components. Classified HTS 7221.00.0045 for hot-rolled stainless coils ≥19 mm diameter, not further worked. Heat-treatable alloy with 17% Cr and 4% Ni.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If tool steel per note (e)
Specific alloy compositions meeting tool steel elemental criteria classify under dedicated tool steel provisions.
If flat-rolled rather than bar/rod
Flat-rolled stainless products in coils fall under heading 7219, not bars/rods.
If further hot-worked into bars not in coils
Hot-rolled bars delivered in straight lengths (not coils) classify under 7228.
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Import Tips & Compliance
• Provide precipitation hardening alloy test reports; confirm no age-hardening treatment occurred post-rolling; declare exact chromium percentage to validate stainless status
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