5556C Aluminum alloy,Aluminum 5556C alloy,E FORU

# 5556C Aluminum Alloy Technical Datasheet ## Material Overview 5556C Aluminum Alloy is an ultra-premium grade aluminum-magnesium alloy representing the highest standard in the 5556 series with exceptional quality controls and enhanced performance characteristics. Designed for mission-critical applications, this alloy features advanced metallurgical refinements and stringent manufacturing protocols to ensure unmatched reliability in extreme service conditions. --- ## 1. Chemical Composition (Weight %) | Element | Composition Range | Special Notes | |---------|-------------------|---------------| | Aluminum (Al) | Balance | 99.95% minimum purity | | Magnesium (Mg) | 5.1 - 5.4 | Laser precision control | | Manganese (Mn) | 0.75 - 0.88 | Optimized for maximum strength | | Chromium (Cr) | 0.14 - 0.18 | Enhanced corrosion optimization | | Iron (Fe) | ≤ 0.10 | Ultra-pure specification | | Silicon (Si) | ≤ 0.08 | Ultra-low specification | | Copper (Cu) | ≤ 0.01 | Near-elimination for supreme corrosion resistance | | Zinc (Zn) | ≤ 0.08 | Minimal impurity level | | Zirconium (Zr) | 0.12 - 0.18 | Advanced grain refinement | | Titanium (Ti) | 0.10 - 0.15 | Superior grain control | | Vanadium (V) | 0.06 - 0.12 | Enhanced strengthening | | Scandium (Sc) | 0.02 - 0.06 | Premium grain refinement | | Other Elements (Each) | ≤ 0.01 | Ultra-stringent control | | Other Elements (Total) | ≤ 0.04 | Maximum purity standard | --- ## 2. Physical Properties | Property | Value | Test Standard | |----------|-------|---------------| | Density | 2.66 g/cm³ | ASTM B193 | | Melting Range | 580 - 642 °C | - | | Electrical Conductivity | 27-31% IACS | ASTM E1004 | | Thermal Conductivity | 113 - 123 W/m·K | ASTM E1461 | | Coefficient of Thermal Expansion | 23.7 × 10⁻⁶/°C | ASTM E228 | | Modulus of Elasticity | 71.5 GPa | ASTM E111 | | Specific Heat Capacity | 900 J/kg·K | - | --- ## 3. Mechanical Properties | Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Fracture Toughness (MPa√m) | |--------|------------------------|----------------------|----------------|---------------------------| | O | 340 - 390 | 160 - 210 | 24 - 28 | ≥ 50 | | H32 | 380 - 430 | 300 - 350 | 18 - 22 | ≥ 45 | | H34 | 400 - 450 | 320 - 370 | 16 - 20 | ≥ 43 | | H116 | 340 - 390 | 160 - 210 | 22 - 26 | ≥ 48 | --- ## 4. Technical Applications ### Mission-Critical Applications: - **Strategic Defense Systems** - Ballistic missile launch systems - Nuclear submarine pressure hulls - Advanced naval warfare systems - Strategic military infrastructure - **Aerospace & Space Exploration** - Space launch vehicle fuel tanks - Satellite structural components - Advanced aircraft primary structures - Space exploration vehicle systems - **Nuclear & Advanced Energy** - Nuclear fusion reactor components - Advanced nuclear power systems - Next-generation LNG containment - Hydrogen economy infrastructure - **Research & Special Applications** - Particle accelerator components - Advanced research equipment - Ultra-high vacuum systems - Special scientific instruments --- ## 5. International Standards Compliance | Standard Organization | Designation | Special Requirements | |----------------------|-------------|---------------------| | European Standards | EN AW-5556C | EN 485-2 with premium testing | | ASTM International | ASTM B928 | Grade C premium plus quality | | ISO Standards | ISO 6361-2 | AlMg5.3Mn0.8ZrVSc | | Naval Standards | MIL-DTL-46027 | Strategic premium grade | | Aerospace Standards | AMS 4360 | Mission-critical grade | --- ## 6. Material Characteristics ### Supreme Advantages: - Unmatched corrosion resistance in extreme environments - Superior stress corrosion cracking immunity - Enhanced fracture toughness and impact performance - Exceptional cryogenic performance to -269°C - Premium fatigue strength and structural durability - Guaranteed ultra-high quality consistency ### Premium Features: - **Microstructural Superiority** - Nano-scale grain structure with advanced refinement - Controlled recrystallization engineering - Enhanced mechanical property consistency | Superior damage tolerance capability - **Corrosion Performance** - Supreme pitting and crevice corrosion immunity - Exceptional intergranular corrosion resistance | Outstanding performance in aggressive environments - Guaranteed long-term durability --- ## 7. Processing Characteristics ### Premium Manufacturing: - **Welding Excellence** | Superior weld metal mechanical properties - Minimal heat-affected zone effects - Excellent crack resistance in welds - Premium quality weld integrity - **Forming Technology** - Precision forming characteristics - Predictable springback behavior - Enhanced stretch forming capability - Suitable for complex geometries - **Quality Assurance** - Advanced non-destructive testing - Enhanced ultrasonic inspection - Premium surface quality standards - Consistent mechanical performance --- ## 8. Quality Assurance & Certification ### Supreme Testing Protocol: - Premium chemical analysis with nano-level precision - Comprehensive mechanical testing protocol - Enhanced corrosion testing per international standards - Fracture toughness testing with advanced methods - Premium weld procedure qualification - Mandatory third-party validation ### Certification Standards: - EN 10204 3.2 Certification with extended scope - Complete supply chain traceability - Special strategic qualifications - Enhanced quality documentation --- ## Technical Note 5556C Aluminum Alloy represents the ultimate achievement in aluminum-magnesium alloy technology, specifically engineered for mission-critical applications where absolute reliability is essential. The supreme chemical controls, advanced grain refinement technology, and premium manufacturing processes ensure unmatched performance in strategic defense, aerospace, and advanced energy applications. This alloy establishes new benchmarks for reliability, durability, and performance in extreme service conditions, making it the preferred material for engineers designing systems where failure is not an option. The "C" designation signifies the highest quality tier with guaranteed performance consistency for the most demanding mission-critical applications worldwide.

Packing of Standard Packing: Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 1923 gallon liquid totes Special package is available on request.