17-4 PH Precipitation Hardening Stainless Rectangle
17-4 PH martensitic precipitation hardening stainless steel rectangular semi-finished product (<232 cm², width <4x thickness) for aerospace fasteners. Classed in HTS 7218.91.0015 as qualifying stainless semi-finished rectangular form. Primary state without varnishing.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If ball-bearing steel per Note (h)
Specific alloy composition for bearings shifts classification.
If other rectangular dimensions
Catch-all for rectangular stainless not meeting width/thickness/area specs.
If drawn into finished screws
Post-processing into headed fasteners moves to screws/nails chapter.
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Import Tips & Compliance
• 1
• Aerospace certs help prove end-use but don't change classification. 2
• Ensure no heat treatment beyond primary rolling. 3
• Bulk pack only—no consumer packaging
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