2030-T4 Aluminum alloy,Aluminum 2030-T4 alloy,E FORU

# **Aluminum 2030-T4 Alloy Product Introduction** ## **Overview** 2030-T4 is a high-strength aluminum-copper alloy in the solution heat-treated and naturally aged condition. This temper provides a good balance of strength, formability, and corrosion resistance, making it suitable for various structural applications where cold working after heat treatment is required. The T4 condition offers excellent characteristics for forming operations while developing good mechanical properties through natural aging. --- ## **1. Chemical Composition** | Element | Content (%) | |---------|-------------| | **Aluminum (Al)** | Balance | | **Copper (Cu)** | 3.3 - 4.5 | | **Magnesium (Mg)** | 0.30 - 0.8 | | **Manganese (Mn)** | 0.30 - 0.8 | | **Silicon (Si)** | 0.30 - 0.8 | | **Iron (Fe)** | ≤ 0.35 | | **Zinc (Zn)** | ≤ 0.25 | | **Titanium (Ti)** | ≤ 0.10 | | **Chromium (Cr)** | ≤ 0.10 | | **Other Elements** | ≤ 0.15 total | --- ## **2. Physical Properties** | Property | Value / Description | |----------|---------------------| | **Density** | 2.78 g/cm³ (0.100 lb/in³) | | **Melting Range** | 515°C - 645°C (959°F - 1193°F) | | **Electrical Conductivity** | 34-38% IACS | | **Thermal Conductivity** | 130-140 W/m·K | | **Coefficient of Thermal Expansion** | 23.3 × 10⁻⁶/°C (20-100°C) | | **Modulus of Elasticity** | 72.0 GPa (10,440 ksi) | | **Poisson's Ratio** | 0.33 | | **Specific Heat Capacity** | 880 J/kg·K | --- ## **3. Mechanical Properties** **Typical Mechanical Properties (T4 Temper):** | Property | Value | |----------|-------| | **Tensile Strength** | 370-420 MPa (54-61 ksi) | | **Yield Strength (0.2% Offset)** | 220-270 MPa (32-39 ksi) | | **Elongation in 2 inches** | 14-20% | | **Shear Strength** | 220-250 MPa (32-36 ksi) | | **Fatigue Strength** | 120 MPa (17 ksi) | | **Brinell Hardness** | 95-110 HB | | **Compressive Yield Strength** | 220-270 MPa (32-39 ksi) | | **Bearing Strength** | 550-600 MPa (80-87 ksi) | --- ## **4. International Standards** | Standard System | Designation | Product Form | |-----------------|-------------|--------------| | **ASTM** | ASTM B209 | Sheet, Plate | | **ASTM** | ASTM B211 | Rod, Bar | | **AMS** | AMS 4117 | Sheet | | **EN** | EN AW-2030 [T4] | Sheet, Plate, Bar | | **ISO** | ISO 6361 | Wrought Products | --- ## **5. Product Applications** **Aerospace Components:** - Aircraft structural panels - Wing and fuselage skins - Aircraft interior components - Non-critical structural parts - Aerospace brackets and fittings **Transportation Industry:** - Automotive body panels - Truck and trailer components - Railway vehicle parts - Marine superstructures - Vehicle structural members **General Manufacturing:** - Structural frames and supports - Machinery components - Equipment enclosures - Pressure vessels - Architectural components **Consumer Products:** - Sports equipment - Camera bodies and components - Electronic enclosures - Furniture frames - Recreational vehicle parts --- ## **6. Key Advantages & Considerations** **Advantages:** - ✅ **Good Formability** for complex shapes - ✅ **Excellent Strength-to-Weight Ratio** - ✅ **Good Corrosion Resistance** - ✅ **Reasonable Cost** for performance - ✅ **Good Weldability** with proper techniques - ✅ **Aging Continues** after forming operations **Considerations:** - ⚠️ **Lower Initial Strength** than T3 temper - ⚠️ **Properties Change** with natural aging - ⚠️ **Requires Corrosion Protection** for harsh environments - ⚠️ **Not for High-Temperature** applications - ⚠️ **Stress-Corrosion Risk** in certain conditions --- ## **Heat Treatment Process** **T4 Temper Process:** 1. **Solution Heat Treatment:** - Temperature: 495-505°C (923-941°F) - Soak time: 20-60 minutes based on thickness - Rapid quenching in water 2. **Natural Aging:** - Room temperature aging process - Properties develop over 4-7 days - Maximum strength reached in 20-30 days - Aging continues at decreasing rate --- ## **Forming and Manufacturing** **Forming Characteristics:** - Excellent for cold working operations - Suitable for bending and stretching - Good for deep drawing applications - Can be formed in complex shapes - Maintains strength after forming **Machinability:** Good (rated 65% of free-cutting brass) **Welding:** Gas tungsten arc welding recommended **Surface Treatment:** Good response to anodizing and painting --- ## **Aging Characteristics** **Natural Aging Timeline:** - Initial properties: Immediately after quenching - 24 hours: Significant strength increase - 4-7 days: Properties substantially stable - 30 days: Maximum natural aging strength - Long-term: Very gradual changes --- ## **Quality Assurance** **Standard Testing:** - Tensile testing per ASTM E8 - Hardness testing - Bend testing - Chemical analysis - Microstructural examination --- ## **Conclusion** 2030-T4 Aluminum Alloy provides an excellent combination of formability and strength development through natural aging. The T4 temper condition is particularly valuable for applications requiring significant forming operations after solution heat treatment, as it allows manufacturers to create complex shapes while the material develops strength over time. This characteristic makes it ideal for aerospace components, transportation applications, and general manufacturing where a balance of formability and final strength is required. While offering slightly lower initial strength than cold-worked tempers, its excellent forming characteristics and continuous property development make it a versatile choice for many engineering applications.

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 1561 gallon liquid totes Special package is available on request.