AlSi25 Primary Sow Alloy

Large sow-shaped castings of primary aluminum-silicon alloy with exactly 25% silicon content by weight. HTS 7601.20.60.00 applies as unwrought alloy specifically defined by high silicon proportion over standard limits. Used by secondary smelters for producing wear-resistant castings.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China2.1%+35.0%37.1%
🇲🇽Mexico2.1%+10.0%12.1%
🇨🇦Canada2.1%+10.0%12.1%
🇩🇪Germany2.1%+10.0%12.1%
🇯🇵Japan2.1%+10.0%12.1%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

7601.20.90Lower: 35% vs 37.1%

If silicon <25% in primary form

Subheading 60 reserved specifically for ≥25% silicon alloys only.

7603.10.00Higher: 40% vs 37.1%

If powdered form

Powders and flakes have separate unwrought classification in 7603.

8483.50.90Higher: 37.8% vs 37.1%

If machined into finished flywheels

Machined end-use products like cast flywheels classified by function in Chapter 84/85.

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Import Tips & Compliance

Primary vs secondary metal declaration affects valuation; provide smelter analysis certificate; watch for anti-dumping duties on certain alloy imports from specific countries

Related Products under HTS 7601.20.60.00

Al-Si 25 Alloy Ingot

Primary aluminum-silicon alloy ingots containing at least 25% silicon by weight, produced by smelting and casting for remelting. Classified under HTS 7601.20.60.00 as unwrought aluminum alloys with high silicon content exceeding the standard alloy limits. Used primarily in casting applications for automotive and aerospace components.

Silumin Casting Alloy Billets

Cylindrical billets of Al-Si alloy with 25-30% silicon content, designed for remelting in die casting operations. Meets HTS 7601.20.60.00 criteria as unwrought aluminum alloy due to high silicon proportion distinguishing it from standard alloys. Essential for producing complex engine parts and pistons.

High-Silicon Aluminum Notch Bar

Notch-bar form of aluminum alloy containing 27% silicon by weight, suitable only for remelting into castings. Classified as unwrought under 7601.20.60.00 because it retains the characteristics of freshly cast metal with specific high silicon content. Commonly used in gravity die casting for industrial components.

Silicon-Aluminum Foundry Pig

Pig castings of Al-Si master alloy containing 28% silicon for foundry addition to base aluminum melts. Qualifies under 7601.20.60.00 as unwrought high-silicon aluminum alloy in pig form intended solely for remelting. Critical for achieving desired silicon levels in sand castings.

25% Silicon Aluminum Slab

Rectangular slab castings of aluminum alloy with 25% silicon content, maintained in unwrought condition for remelting. HTS 7601.20.60.00 designation reflects the specific high silicon composition distinguishing from other alloy slabs. Applied in continuous casting for piston production.

Hypereutectic Al-Si Ingot

Hypereutectic aluminum-silicon alloy ingots with 26% silicon exceeding eutectic point for superior wear resistance. Classified 7601.20.60.00 as unwrought alloy due to defined high silicon content ≥25%. Used exclusively in manufacturing cylinder liners and bearing surfaces.