Cold-Drawn 8620 Alloy Steel Square Bar
8620 carburizing alloy steel square bar, cold-drawn to 50 mm sides, for gear manufacturing. HTS 7228.50.5015 applies to cold-formed alloy steel bars under 76 mm cross-section, not further worked. Case-hardening grade with controlled carbon, nickel, chromium, molybdenum.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If non-alloy steel composition
Lacking specified alloying elements, moves to Chapter 72 non-alloy headings.
If heat-resisting steel (low C, high Cr)
Specific heat-resisting alloys per note (g) have dedicated provisions.
If sold as ball-bearing steel
Ball-bearing steel meeting note (h) composition classified separately.
Not sure which classification is right?
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Import Tips & Compliance
• Include EN/ISO material grade certification linking to precise chemical composition
• Measure and certify exact cross-sectional dimensions at thickest point
• Beware reclassification if any cladding or coating applied during processing
Related Products under HTS 7228.50.50.15
Cold-Formed 4140 Alloy Steel Round Bar
A 4140 chromium-molybdenum alloy steel bar, cold-formed with a diameter of 25 mm, used in mechanical engineering for shafts and gears. Classified under HTS 7228.50.5015 as other bars and rods of alloy steel, not further worked than cold-formed or cold-finished, with cross-section less than 76 mm. Meets alloy steel definition due to chromium and molybdenum content.
Cold-Finished 4340 Alloy Steel Hexagonal Bar
High-strength 4340 nickel-chromium-molybdenum steel hexagonal bar, cold-finished to 40 mm across flats, for aerospace fasteners. Falls under HTS 7228.50.5015 as cold-finished alloy steel bars with cross-section under 76 mm, not further worked beyond cold-finishing. Alloy status from Ni-Cr-Mo elements exceeding Chapter 72 thresholds.
Cold-Formed 300M Alloy Steel Round Bar
Ultra-high strength 300M vacuum arc remelted alloy steel bar, cold-formed 35 mm diameter for aircraft landing gear. Under HTS 7228.50.5015 as other cold-formed alloy steel rods <76 mm, qualifying as high-strength per note (a). Modified 4340 with higher Si, V for superior fatigue resistance.
Cold-Finished 17-4PH Stainless Alloy Steel Bar
Precipitation hardening 17-4PH stainless steel round bar, cold-finished to 60 mm diameter for valve stems. HTS 7228.50.5015 covers cold-finished other alloy steel bars <76 mm cross-section. Stainless alloy steel with 17% Cr, 4% Ni, copper precipitation hardening.
Cold-Drawn E4340 Alloy Steel Rod
Electroslag remelted E4340 alloy steel rod, cold-drawn 20 mm diameter for high-stress bolts. Classified HTS 7228.50.5015 as cold-formed alloy steel rods <76 mm, not further worked. Enhanced cleanliness version of 4340 for critical applications.
Cold-Formed 9310 Alloy Steel Bar
9310 through-hardening alloy steel bar, cold-formed 45 mm round for bearing races. HTS 7228.50.5015 for cold-formed other alloy steel bars under 76 mm. Carburizing grade with Ni-Cr-Mo for aircraft bearings.