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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If standard pig alloys <25% Si
High silicon threshold determines specific subheading 60 vs 90.
If clad with different alloy
Clad sheet/plate construction moves to heading 7606 wrought products.
If supplied as refractory compound
Certain prepared metal additions classified as artificial graphite mixtures.
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Import Tips & Compliance
• Classify as master alloy with Si analysis report; ensure pig weight qualifies as unwrought (typically >10kg); declare foundry end-use to support classification
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.
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.
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.