--- type: "product_component" title: "High-Purity Magnesium Alloy Billet" industry: "Non-Ferrous Metal Production" verification_protocol: urn: "URN:CNFX:ME:HIGH_PURITY_MAGNESIUM_ALLOY_BILLET" data_integrity_hash: "c1bdc47f051321def0e96012431f57f9" 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_MAGNESIUM_ALLOY_BILLET" data_source_uri: "https://cnfx.com/llms/industry/non-ferrous-metal-production/product/high-purity-magnesium-alloy-billet.md" official_resource_url: "https://cnfx.com/industry/non-ferrous-metal-production/product/high-purity-magnesium-alloy-billet" is_verified_logic: true attributes: chemical_composition_purity: status: "verified" value: "≥99.9" unit: "%" tensile_strength: status: "verified" value: "220–280" unit: "MPa" yield_strength: status: "verified" value: "150–200" unit: "MPa" elongation: status: "verified" value: "8–15" unit: "%" grain_size: status: "verified" value: "ASTM 5–8" unit: "μm" surface_roughness: status: "verified" value: "≤3.2" unit: "Ra" diameter: status: "verified" value: "100–500" unit: "mm" length: status: "verified" value: "500–6000" unit: "mm" tolerance_on_diameter: status: "verified" value: "±1.0" unit: "mm" density: status: "verified" value: "1.74–1.85" unit: "g/cm³" melting_point: status: "verified" value: "650–680" unit: "°C" thermal_conductivity: status: "verified" value: "50–160" unit: "W/(m·K)" electrical_conductivity: status: "verified" value: "15–25" unit: "MS/m" weight_per_unit_length: status: "verified" value: "1.5–30" unit: "kg/m" engineering_limits: max_safe_operating_point: value: 470 unit: "°C" consequence: "Magnesium's high thermal expansion coefficient (26×10⁻⁶/K) causes solidification shrinkage stress exceeding yield strength (80-120 MPa), while low ignition temperature (470°C) enables exothermic oxidation (ΔH = -601 kJ/mol)" fmea_matrix_quantitative: - node_1: trigger: "Insufficient mold preheat below 200°C" mitigation_protocol: "Integrated induction heating system maintaining 350±10°C mold temperature with PID control" - node_2: trigger: "Atmospheric oxygen concentration exceeding 0.5% in casting chamber" mitigation_protocol: "Argon inert gas shielding with <0.1% O₂ monitoring and automated purge system" bom_nodes: alloy-matrix: type: "component" llms_uri: "https://cnfx.com/llms/industry/basic-metal-manufacturing/component/alloy-matrix.md" link_type: "part" link_target_urn: "URN:CNFX:ME:UNIT:ALLOY_MATRIX" urn: "URN:CNFX:ME:UNIT:ALLOY_MATRIX" interface_type: "physical-logic-coupled" is_migrated_part: true grain-refiner-additives: type: "component" llms_uri: "https://cnfx.com/llms/industry/basic-metal-manufacturing/component/grain-refiner-additives.md" link_type: "part" link_target_urn: "URN:CNFX:ME:UNIT:GRAIN_REFINER_ADDITIVES" urn: "URN:CNFX:ME:UNIT:GRAIN_REFINER_ADDITIVES" 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 3116:2019: MAGNESIUM AND MAGNESIUM ALLOYS - WROUGHT MAGNESIUM ALLOYS" scope: "Verified Engineering Specification" - standard: "DIN EN 1753:1997: MAGNESIUM AND MAGNESIUM ALLOYS - MAGNESIUM ALLOY INGOTS AND CASTINGS - CHEMICAL COMPOSITION" scope: "Verified Engineering Specification" url: "https://cnfx.com/llms/industry/non-ferrous-metal-production/product/high-purity-magnesium-alloy-billet.md" on_chain_sovereignty: contract_standard: "ERC-721-Industrial" metadata_hash: "50814a48fd585e8c670181590cb7ac2736d76084f29516b4fbd0a96afc77cfea" royalty_logic: "IPFS-CID-REQUIRED" mint_status: "logic-verified-ready" rag_vector_index: semantic_queries: - "High-Purity Magnesium Alloy Billet" - "magnesium alloy billet" - "high-purity magnesium" - "non-ferrous metal production" - "semi-finished casting" - "direct chill casting" - "High-Purity Magnesium Alloy Billet in Non Ferrous Metal Production" - "China High-Purity Magnesium Alloy Billet manufacturer" - "High-Purity Magnesium Alloy Billet supplier China" - "High-Purity Magnesium Alloy Billet chemical_composition_purity" - "High-Purity Magnesium Alloy Billet tensile_strength" - "High-Purity Magnesium Alloy Billet yield_strength" version: "3.3.5-EXTREME-SOVEREIGN-WEB3" --- # Industrial Specification: High-Purity Magnesium Alloy Billet ## 1. Technical Definition Semi-finished magnesium alloy casting for further processing in non-ferrous metal production ## 2. Engineering Reasoning & Causal Matrix > **Operational Intelligence**: Designed for **350-450°C casting temperature, 0.5-2.0 MPa mold pressure, 0.1-0.5 m/s casting speed**. Failure boundary: **Solidification cracking at 0.8% volumetric shrinkage, hot tearing at 1.2% strain, oxidation ignition at 470°C in air**, Mechanism: **Magnesium's high thermal expansion coefficient (26×10⁻⁶/K) causes solidification shrinkage stress exceeding yield strength (80-120 MPa), while low ignition temperature (470°C) enables exothermic oxidation (ΔH = -601 kJ/mol)**. ### 2.1 Analytical Physics Model Governed by the **Hansen Solubility Distance (HSP)**: > **Primary Equation**: $R_a = \sqrt{4\Delta\delta_d^2 + \Delta\delta_p^2 + \Delta\delta_h^2}$ > **Engineering Impact**: Predicts seal/gasket swelling when exposed to CIP chemicals. | Symbol | Variable Definition | Localized Reference | | :--- | :--- | :--- | | \delta_d | Dispersive | Engineering Constant | | \delta_p | Polar | Engineering Constant | | \delta_h | Hydrogen | Engineering Constant | ### 2.2 FMEA (Failure Mode & Effects Analysis) | Event Trigger | Severity | Failure Mode | Mitigation Strategy | | :--- | :--- | :--- | :--- | | Insufficient mold preheat below 200°C | Not specified | Premature solidification causing cold shuts and incomplete filling | Integrated induction heating system maintaining 350±10°C mold temperature with PID control | | Atmospheric oxygen concentration exceeding 0.5% in casting chamber | Not specified | Surface oxidation layer formation exceeding 50 μm thickness | Argon inert gas shielding with <0.1% O₂ monitoring and automated purge system | ## 3. Key Technical Parameters | Parameter | Value | Unit | Status | | :--- | :--- | :--- | :--- | | Chemical Composition Purity | ≥99.9 | % | Verified | | Tensile Strength | 220–280 | MPa | Verified | | Yield Strength | 150–200 | MPa | Verified | | Elongation | 8–15 | % | Verified | | Grain Size | ASTM 5–8 | μm | Verified | | Surface Roughness | ≤3.2 | Ra | Verified | | Diameter | 100–500 | mm | Verified | | Length | 500–6000 | mm | Verified | | Tolerance on Diameter | ±1.0 | mm | Verified | | Density | 1.74–1.85 | g/cm³ | Verified | | Melting Point | 650–680 | °C | Verified | | Thermal Conductivity | 50–160 | W/(m·K) | Verified | | Electrical Conductivity | 15–25 | MS/m | Verified | | Weight per Unit Length | 1.5–30 | kg/m | Verified | ## 4. System BOM & Knowledge Routing ### Core Components (Recursive Links) ### Industrial DNA Context (De-duplicated) **Complementary Dependencies**: **Melting Furnace**, **Protective Gas System**, **Billet Casting Machine** **Downstream Applications**: Aerospace Components, Automotive Parts, Electronics Housings ## 5. Engineering Risks & FAQ - **Caution**: - **Caution**: - **Caution**: ### Q: What is the typical purity of this magnesium alloy billet? **A**: The minimum magnesium content is 99.9% per ASTM B93. However, the actual purity may vary depending on the specific alloy composition and manufacturing process. Always confirm the exact chemical composition with the supplier. ### Q: What are the available dimensions for this billet? **A**: The billet is available in diameters from 100 to 500 mm and lengths from 500 to 6000 mm, with custom sizes on request. Dimensional tolerances on diameter are ±1.0 mm per ISO 2768-m. Verify exact dimensions and tolerances with the manufacturer. ### Q: What mechanical properties can be expected? **A**: Typical tensile strength is 220–280 MPa, yield strength is 150–200 MPa, and elongation is 8–15%, all per ASTM B557. These are reference ranges; actual values depend on the alloy and heat treatment. Confirm with the supplier for your specific application. ### Q: What standards apply to this product? **A**: Relevant standards include ASTM B93 for chemical composition, ASTM B557 for tensile properties, ASTM E112 for grain size, ISO 4287 for surface roughness, ISO 2768-m for tolerances, ISO 1183 for density, ASTM E1225 for thermal conductivity, and IEC 60028 for electrical conductivity. These are verification references, not certifications. ## 6. Manufacturing Compliance - ISO 3116:2019: MAGNESIUM AND MAGNESIUM ALLOYS - WROUGHT MAGNESIUM ALLOYS - DIN EN 1753:1997: MAGNESIUM AND MAGNESIUM ALLOYS - MAGNESIUM ALLOY INGOTS AND CASTINGS - CHEMICAL COMPOSITION --- ### 🛠️ Engineering Resource Access 🔗 **[Full Specification: High-Purity Magnesium Alloy Billet](https://cnfx.com/industry/non-ferrous-metal-production/product/high-purity-magnesium-alloy-billet)** ### 🌐 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_MAGNESIUM_ALLOY_BILLET | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 90579dc1