17-4 PH Stainless Alloy Steel Hot-Rolled Flat Bar
17-4 PH precipitation-hardening stainless steel flat bar, hot-rolled for aerospace and structural applications requiring high strength and corrosion resistance. Classified under HTS 7228.30.80 as other alloy steel bars not further worked than hot-rolled. Its martensitic structure and alloy content distinguish it from basic carbon steels.
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More Specific Codes
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If stainless angles/shapes
Stainless alloy steel in angle, shape, or section form (not bars/rods) classified under Chapter 72 stainless headings.
If further worked (e.g., polished)
Any surface treatment like polishing per 'further worked' note moves to 7228.50 other bars.
If for industrial end use only
Certain cold-finished non-alloy shapes might apply, but alloy composition keeps it in 7228; end use rarely changes material heading.
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Import Tips & Compliance
• Submit chemical analysis reports showing 15-17.5% Cr and 3-5% Ni to confirm alloy steel status
• Declare exact cross-section dimensions; bars over certain sizes may require statistical suffix review
• No duty allowance for surface rust per chapter note; ensure proper packaging to prevent entry discoloration
Related Products under HTS 7228.30.80
AISI 4140 Hot-Rolled Alloy Steel Round Bar
AISI 4140 is a chromium-molybdenum alloy steel round bar produced by hot-rolling, used for shafts, gears, and axles in machinery. It falls under HTS 7228.30.80 as other bars and rods of alloy steel, not further worked than hot-rolled, hot-drawn or extruded. The alloy composition exceeds simple carbon steel definitions and lacks special alloy steel specifications from chapter notes.
AISI 4340 Hot-Extruded Alloy Steel Hexagonal Rod
AISI 4340 nickel-chromium-molybdenum alloy steel hexagonal rod, hot-extruded for high-stress aircraft landing gear and crankshafts. HTS 7228.30.80 covers other alloy steel rods not further worked than hot-rolled, drawn, or extruded. Exceeds carbon steel alloy thresholds.
EN24 Alloy Steel Hot-Drawn Square Bar
EN24 (817M40) chromium-molybdenum-nickel alloy steel square bar, hot-drawn for tooling and heavy machinery components. Falls under HTS 7228.30.80 for other hot-drawn alloy steel bars not further worked. Alloy elements provide superior toughness.
AISI 8620 Hot-Rolled Alloy Steel Round Rod
AISI 8620 carburizing alloy steel round rod, hot-rolled for gears and pinions requiring case-hardening. HTS 7228.30.80 applies to other alloy steel rods not further worked than hot-rolled. Low alloy content optimized for surface hardening.
300M Alloy Steel Hot-Rolled Bar for Aerospace
300M ultra-high strength alloy steel bar, hot-rolled for aircraft landing gear with minimum yield 1500 MPa. Classified HTS 7228.30.80 as other hot-rolled alloy bars. Vacuum arc remelted for cleanliness.
HY-80 Alloy Steel Hot-Extruded Rod for Submarines
HY-80 nickel-alloy steel rod, hot-extruded for submarine hull pressure vessels requiring 80 ksi yield strength. HTS 7228.30.80 for other extruded alloy steel rods not further worked.