--- type: "product_component" title: "High-Purity Aluminum Ingot" industry: "Non-Ferrous Metal Production" verification_protocol: urn: "URN:CNFX:ME:HIGH_PURITY_ALUMINUM_INGOT" data_integrity_hash: "7357ad141cb16f4601b90c84bb4fa120" source_authority: "https://cnfx.com" strict_mode: true source_identity: provider: "CNFX Industrial Knowledge Graph" index_version: "2026.Q1-Universal" authority_id: "URN:CNFX:ME:HIGH_PURITY_ALUMINUM_INGOT" data_source_uri: "https://cnfx.com/llms/industry/non-ferrous-metal-production/product/high-purity-aluminum-ingot.md" official_resource_url: "https://cnfx.com/industry/non-ferrous-metal-production/product/high-purity-aluminum-ingot" is_verified_logic: true attributes: primary_spec: status: "config-dependent" typical_range: "Melting point: 660.32°C, Solidus temperature: 660.32°C, Liquidus temperature: 660.32°C, Density: 2.70 g/cm³ at 20°C, Thermal conductivity: 237 W/(m·K) at 25°C, Electrical resistivity: 2.65 μΩ·cm at 20°C" unit: "%" secondary_spec: status: "config-dependent" typical_range: "Melting point: 660.32°C, Solidus temperature: 660.32°C, Liquidus temperature: 660.32°C, Density: 2.70 g/cm³ at 20°C, Thermal conductivity: 237 W/(m·K) at 25°C, Electrical resistivity: 2.65 μΩ·cm at 20°C" unit: "kg" engineering_limits: max_safe_operating_point: value: 660.32 unit: "°C" consequence: "High-temperature oxidation due to breakdown of protective Al₂O₃ layer above melting point, Intermetallic compound formation (Al₃Fe) at grain boundaries causing embrittlement, Hydrogen solubility decrease during solidification causing porosity formation (Sievert's Law)" fmea_matrix_quantitative: - node_1: trigger: "Thermal cycling between 20°C and 500°C exceeding 1000 cycles" severity: 8 occurrence: 3 detection: 4 mitigation_protocol: "Grain refinement through Al-5Ti-1B master alloy addition to achieve ASTM grain size ≤6" - node_2: trigger: "Chloride ion contamination >50 ppm in processing environment" severity: 8 occurrence: 3 detection: 4 mitigation_protocol: "Controlled atmosphere processing with <10 ppm O₂ and <5 ppm H₂O using argon gas blanket" bom_nodes: aluminum-matrix: type: "component" llms_uri: "https://cnfx.com/llms/industry/basic-metal-manufacturing/component/aluminum-matrix.md" link_type: "part" link_target_urn: "URN:CNFX:ME:UNIT:ALUMINUM_MATRIX" urn: "URN:CNFX:ME:UNIT:ALUMINUM_MATRIX" interface_type: "physical-logic-coupled" is_migrated_part: true trace-elements: type: "component" llms_uri: "https://cnfx.com/llms/industry/basic-metal-manufacturing/component/trace-elements.md" link_type: "part" link_target_urn: "URN:CNFX:ME:UNIT:TRACE_ELEMENTS" urn: "URN:CNFX:ME:UNIT:TRACE_ELEMENTS" interface_type: "physical-logic-coupled" is_migrated_part: true surface-oxide-layer: type: "component" llms_uri: "https://cnfx.com/llms/industry/basic-metal-manufacturing/component/surface-oxide-layer.md" link_type: "part" link_target_urn: "URN:CNFX:ME:UNIT:SURFACE_OXIDE_LAYER" urn: "URN:CNFX:ME:UNIT:SURFACE_OXIDE_LAYER" interface_type: "physical-logic-coupled" is_migrated_part: true manufacturing_compliance: - standard: "ISO 115:2003: WROUGHT ALUMINIUM AND ALUMINIUM ALLOYS - CHEMICAL COMPOSITION AND FORM OF PRODUCTS" scope: "Verified Engineering Specification" - standard: "DIN EN 576:2003: ALUMINIUM AND ALUMINIUM ALLOYS - UNALLOYED ALUMINIUM INGOTS FOR REMELTING - SPECIFICATIONS" scope: "Verified Engineering Specification" url: "https://cnfx.com/llms/industry/non-ferrous-metal-production/product/high-purity-aluminum-ingot.md" on_chain_sovereignty: contract_standard: "ERC-721-Industrial" metadata_hash: "3a0d2bb6ad288e9e2915476689a9140138234eda2c178e6c22f3dbf5e70d49b3" royalty_logic: "IPFS-CID-REQUIRED" mint_status: "logic-verified-ready" rag_vector_index: semantic_queries: - "High-Purity Aluminum Ingot" - "99.7% pure aluminum ingot for manufacturing" - "high-purity aluminum ingot electrical conductivity" - "industrial aluminum ingot low iron content" - "semi-finished aluminum ingot dimensions" - "non-ferrous metal production aluminum ingot" - "High-Purity Aluminum Ingot in " - "China High-Purity Aluminum Ingot manufacturer" - "High-Purity Aluminum Ingot supplier China" - "High-Purity Aluminum Ingot primary_spec" - "High-Purity Aluminum Ingot secondary_spec" version: "3.3.5-EXTREME-SOVEREIGN-WEB3" --- # Industrial Specification: High-Purity Aluminum Ingot ## 1. Technical Definition Semi-finished aluminum with ≥99.7% purity for industrial manufacturing. ## 2. Engineering Reasoning & Causal Matrix > **Operational Intelligence**: Designed for **Melting point: 660.32°C, Solidus temperature: 660.32°C, Liquidus temperature: 660.32°C, Density: 2.70 g/cm³ at 20°C, Thermal conductivity: 237 W/(m·K) at 25°C, Electrical resistivity: 2.65 μΩ·cm at 20°C**. Failure boundary: **Oxidation threshold: 660.32°C (melting point) where protective Al₂O₃ layer destabilizes, Grain boundary embrittlement: 0.3% Fe content by weight, Hydrogen porosity formation: 0.15 mL/100g dissolved hydrogen**, Mechanism: **High-temperature oxidation due to breakdown of protective Al₂O₃ layer above melting point, Intermetallic compound formation (Al₃Fe) at grain boundaries causing embrittlement, Hydrogen solubility decrease during solidification causing porosity formation (Sievert's Law)**. ### 2.2 FMEA (Failure Mode & Effects Analysis) | Event Trigger | Severity | Failure Mode | Mitigation Strategy | | :--- | :--- | :--- | :--- | | Thermal cycling between 20°C and 500°C exceeding 1000 cycles | 8 | Thermal fatigue cracking at grain boundaries with crack propagation rate >10⁻⁸ m/cycle | Grain refinement through Al-5Ti-1B master alloy addition to achieve ASTM grain size ≤6 | | Chloride ion contamination >50 ppm in processing environment | 8 | Pitting corrosion initiation at potentials >-0.75 V vs SCE with pit growth rate >0.1 mm/year | Controlled atmosphere processing with <10 ppm O₂ and <5 ppm H₂O using argon gas blanket | ## 3. Key Technical Parameters | Parameter | Value | Unit | Status | | :--- | :--- | :--- | :--- | | primary_spec | Config-dependent | % | Verified | | secondary_spec | Config-dependent | kg | Verified | ## 4. System BOM & Knowledge Routing ### Core Components (Recursive Links) ### Industrial DNA Context (De-duplicated) **Complementary Dependencies**: **Aluminum Melting Furnace**, **Casting Machine**, **Ingot Cooling System** **Downstream Applications**: Aerospace Components, Automotive Parts, Electrical Conductors ## 5. Engineering Risks & FAQ - **Caution**: - **Caution**: - **Caution**: ### Q: What are the typical applications for high-purity aluminum ingots? **A**: High-purity aluminum ingots are used in electrical components, aerospace manufacturing, automotive parts, packaging materials, and construction applications where superior conductivity and corrosion resistance are required. ### Q: How does the purity level affect aluminum ingot performance? **A**: Higher purity (≥99.7%) improves electrical conductivity, enhances corrosion resistance, increases ductility, and reduces brittleness. Lower trace element content ensures consistent performance in demanding industrial applications. ### Q: What quality control measures ensure ingot specifications? **A**: Quality is maintained through spectral analysis for purity verification, dimensional checks, weight validation, and trace element testing (iron, silicon content). Certificates of analysis accompany each batch to confirm specifications. ## 6. Manufacturing Compliance - ISO 115:2003: WROUGHT ALUMINIUM AND ALUMINIUM ALLOYS - CHEMICAL COMPOSITION AND FORM OF PRODUCTS - DIN EN 576:2003: ALUMINIUM AND ALUMINIUM ALLOYS - UNALLOYED ALUMINIUM INGOTS FOR REMELTING - SPECIFICATIONS --- ### 🛠️ Engineering Resource Access 🔗 **[Full Specification: High-Purity Aluminum Ingot](https://cnfx.com/industry/non-ferrous-metal-production/product/high-purity-aluminum-ingot)** ### 🌐 Knowledge Graph Topology > **Node Status**: Verified Engineering Spec > **Connectivity**: Linked to **3** standalone system nodes > **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph > **Reference ID**: HIGH_PURITY_ALUMINUM_INGOT | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 4d05f793