---
title: "High-Purity Aluminum Alloy Ingot"
industry: "Basic Metal Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:HIGH_PURITY_ALUMINUM_ALLOY_INGOT"
  data_integrity_hash: "2a2c646d14bcb87f96715d9d983f524c"
  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_ALLOY_INGOT"
  data_source_uri: "https://cnfx.com/llms/industry/basic-metal-manufacturing/product/high-purity-aluminum-alloy-ingot.md"
  official_resource_url: "https://cnfx.com/industry/basic-metal-manufacturing/product/high-purity-aluminum-alloy-ingot"
  is_verified_logic: true
attributes:
  primary_spec:
    status: "config-dependent"
    typical_range: "Melting temperature range: 660-750°C, Density: 2.68-2.85 g/cm³, Thermal conductivity: 120-180 W/m·K, Electrical conductivity: 30-40% IACS"
    unit: "kg"
  secondary_spec:
    status: "config-dependent"
    typical_range: "Melting temperature range: 660-750°C, Density: 2.68-2.85 g/cm³, Thermal conductivity: 120-180 W/m·K, Electrical conductivity: 30-40% IACS"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 620
    unit: "°C"
    consequence: "Intergranular corrosion at grain boundaries due to galvanic potential differences between aluminum matrix (E°=-1.66V) and intermetallic phases (E°=-0.4 to -1.0V), Hydrogen embrittlement from moisture decomposition during remelting (2Al + 3H₂O → Al₂O₃ + 3H₂), Thermal stress cracking from coefficient of thermal expansion mismatch (α_Al=23.1×10⁻⁶/K vs α_intermetallic=12-18×10⁻⁶/K)"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Hydrogen absorption during electrolytic reduction exceeding 0.25 mL/100g Al"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Rotary degassing with argon purging at 0.5-1.0 L/min per ton for 15 minutes"
  - node_2:
      trigger: "Incomplete homogenization at 580°C for &lt;8 hours"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Controlled cooling at 25°C/hour from 580°C to 300°C followed by air cooling"
bom_nodes:
  aluminum-matrix:
    type: "component"
    urn: "URN:CNFX:ME:ALUMINUM_MATRIX"
    interface_type: "physical-logic-coupled"
  alloying-elements:
    type: "component"
    urn: "URN:CNFX:ME:ALLOYING_ELEMENTS"
    interface_type: "physical-logic-coupled"
  grain-refiner:
    type: "component"
    urn: "URN:CNFX:ME:GRAIN_REFINER"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 209-1:2019 (WROUGHT ALUMINIUM AND ALUMINIUM ALLOYS)"
    scope: "Verified Engineering Specification"
  - standard: "EN 576:2003 (ALUMINIUM AND ALUMINIUM ALLOYS - UNALLOYED ALUMINIUM INGOTS FOR REMELTING)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/basic-metal-manufacturing/product/high-purity-aluminum-alloy-ingot.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "2c72185d5b16bbce756775feac24d8a346aea485f525e35edd548008f9b63368"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: High-Purity Aluminum Alloy Ingot

## 1. Technical Definition
Semi-finished aluminum alloy casting for industrial remelting and fabrication

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **Melting temperature range: 660-750°C, Density: 2.68-2.85 g/cm³, Thermal conductivity: 120-180 W/m·K, Electrical conductivity: 30-40% IACS**. Failure boundary: **Solidus temperature: 580-620°C (partial melting begins), Liquidus temperature: 640-680°C (complete melting), Hydrogen content: &gt;0.3 mL/100g Al (porosity formation), Silicon segregation: &gt;12% Si (brittle intermetallic formation)**, Mechanism: **Intergranular corrosion at grain boundaries due to galvanic potential differences between aluminum matrix (E°=-1.66V) and intermetallic phases (E°=-0.4 to -1.0V), Hydrogen embrittlement from moisture decomposition during remelting (2Al + 3H₂O → Al₂O₃ + 3H₂), Thermal stress cracking from coefficient of thermal expansion mismatch (α_Al=23.1×10⁻⁶/K vs α_intermetallic=12-18×10⁻⁶/K)**.

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Hydrogen absorption during electrolytic reduction exceeding 0.25 mL/100g Al | 8 | Gas porosity formation during remelting causing 15-30% density reduction | Rotary degassing with argon purging at 0.5-1.0 L/min per ton for 15 minutes |
| Incomplete homogenization at 580°C for &lt;8 hours | 8 | Microsegregation of Mg₂Si precipitates reducing ductility by 40-60% | Controlled cooling at 25°C/hour from 580°C to 300°C followed by air cooling |

## 3. Key Technical Parameters
| Parameter | Value | Unit | Status |
| :--- | :--- | :--- | :--- |
| primary_spec | Config-dependent | kg | Verified |
| secondary_spec | Config-dependent | mm | Verified |

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Melting Furnace**, **Casting Machine**, **Heat Treatment Oven**  
**Downstream Applications**: Aerospace Components, Automotive Parts, Electronics Housings  

## 5. Engineering Risks & FAQ
- **Caution**: 
- **Caution**: 
- **Caution**: 

### Q: What are the primary applications for high-purity aluminum alloy ingots?
**A**: High-purity aluminum alloy ingots are primarily used for industrial remelting and fabrication processes, serving as semi-finished materials for manufacturing components in automotive, aerospace, construction, and machinery industries.

### Q: How does alloy composition affect the properties of aluminum ingots?
**A**: Alloying elements like silicon, magnesium, and copper significantly alter mechanical properties: silicon improves castability, magnesium enhances strength, and copper increases hardness and thermal conductivity, allowing customization for specific industrial requirements.

### Q: What quality standards apply to industrial aluminum alloy ingots?
**A**: Industrial aluminum alloy ingots typically conform to international standards like ASTM, ISO, or DIN specifications, with quality verified through chemical composition analysis, density measurements, and mechanical property testing to ensure consistency for remelting processes.

## 6. Manufacturing Compliance
- ISO 209-1:2019 (WROUGHT ALUMINIUM AND ALUMINIUM ALLOYS)
- EN 576:2003 (ALUMINIUM AND ALUMINIUM ALLOYS - UNALLOYED ALUMINIUM INGOTS FOR REMELTING)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: High-Purity Aluminum Alloy Ingot](https://cnfx.com/industry/basic-metal-manufacturing/product/high-purity-aluminum-alloy-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_ALLOY_INGOT | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 0cad0f27
