Silafont-36 Aluminum Foundry Ingot
Silafont-36 is a proprietary high-performance foundry alloy ingot for thin-walled structural castings in automotive chassis. Meets HTS 7601.20.90.85 as aluminum alloy foundry ingot per statistical note 4, with optimized strontium modification. Used in low-pressure die casting foundries.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If other specialized foundry alloys
Catch-all for note 4 ingots not in prior statistical breaks.
If containing >10% other metals
High alloying shifts to 7605 master alloys.
If ferrous contamination exceeding limits
Iron content > specified table max moves out of aluminum chapter.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Include technical data sheets equating proprietary name to standard alloy chemistry
• Customs may require independent lab verification for non-standard alloys
• Declare exact alloy elements; trace elements affect alloy vs non-alloy status
Related Products under HTS 7601.20.90.85
A356.1 Aluminum Foundry Ingot
A356.1 is a hypoeutectic aluminum-silicon alloy ingot designed for sand casting applications in automotive and aerospace components. It meets the criteria for aluminum alloys under HTS 7601 as it contains silicon and other elements exceeding non-alloyed limits, and qualifies as a foundry ingot per statistical note 4 for high-purity casting stock. These ingots are melted in foundries to produce intricate castings like cylinder heads.
A319.0 Aluminum Foundry Ingot
A319.0 alloy ingots are used in permanent mold casting for engine blocks and pistons, featuring higher copper content for strength. Classified under HTS 7601.20.90.85 as aluminum alloy foundry ingots per statistical note 4, with silicon and copper exceeding pure aluminum limits. These are premium casting stock for high-volume automotive foundries.
A413.0 Aluminum Foundry Ingot
High-silicon A413.0 ingots for gravity die casting of complex parts like transmission housings, offering excellent fluidity. Falls under HTS 7601.20.90.85 as it is an aluminum alloy foundry ingot per statistical note 4, with Si content around 12%. Used in foundries for wear-resistant castings.
B390.0 Aluminum Foundry Ingot
B390.0 is a hyper-eutectic alloy ingot for OEM cylinder liners and pistons, with primary silicon for abrasion resistance. HTS 7601.20.90.85 applies as a defined foundry ingot alloy with silicon >16%. Critical for high-performance engine foundry operations.
A606 Aluminum Foundry Ingot
A606 alloy ingots serve general-purpose foundry casting for architectural and structural components. Classified in HTS 7601.20.90.85 as aluminum alloy foundry ingot under statistical note 4, with balanced Mg/Si for weldability. Melted directly in jobbing foundries.
F357 Aluminum Foundry Ingot
F357 ingots are premium aerospace-grade foundry stock for investment casting of turbine components, solution heat-treatable. HTS 7601.20.90.85 classification as alloy foundry ingot per note 4, low iron for fatigue resistance. Vacuum melted for critical applications.