The 3003 H14 aluminum plate is a non-heat-treatable alloy containing 1.0% to 1.5% manganese, providing approximately 20% greater tensile strength than the commercially pure 1100 series. Manufactured under the active ASTM B209 standard, this specific half-hard temper achieves an optimal balance between mechanical formability and structural rigidity.
New Energy Vehicle (EV) manufacturers specify 3003 H14 for fabricating critical structural components, including deep-drawn battery casings and specialized liquid cooling plates. GNEE produces this material in dimensions ranging from 0.1 mm to 500 mm in thickness to meet stringent automotive tolerances. Featuring excellent resistance against corrosive battery electrolytes and a low density of 2.73 g/cm³, this aluminum grade directly facilitates electric vehicle weight reduction without sacrificing collision safety or thermal management performance.
3003 H14 Aluminum Plate Specification Data Sheets
Chemical Composition of 3003 Aluminum
| Element | Aluminum (Al) | Manganese (Mn) | Copper (Cu) | Silicon (Si) | Iron (Fe) | Zinc (Zn) |
| Percentage (wt %) | Remainder | 1.0 - 1.5% | 0.05 - 0.20% | ≤ 0.60% | ≤ 0.70% | ≤ 0.10% |
Mechanical Properties of 3003 H14 Aluminum Plate
| Temper Grade | Tensile Strength | Yield Strength | Elongation (%) |
| 3003-H14 | 140 - 185 MPa (20 - 27 ksi) | ≥ 115 MPa (17 ksi) | ≥ 8% |
| Name | 3003 Aluminum Plate/Sheet | |
| Hot sale status | O, H22, H24, H14, H16, H26, H18, H28, H112 | |
| Thickness (mm) | 0.1-500mm | |
| Width (mm) | 100-2650mm | |
| Length (mm) | 500-16000mm | |
| length | Fix & Cut Length or Customized | |
| Surface treatment | Mill finish, Bright, polished, hair line, brush, sand blast, checkered, embossed, etching, etc. | |
| Lamination type | Blue film, transparent film, black and white film, paper (film thickness: 50 microns, 80 microns) | |
| Standard | AMS 4008, ASTM B20, QQ-A-250/2, ASTM B209, AMS4006 |
| Parameter | Standard Dimension Range | Standard Tolerance |
| Thickness | 0.1 mm - 500 mm | ± 0.02 mm (base gauges) |
| Width | 100 mm - 2650 mm | ± 1.0 mm |
| Length | 500 mm - 16000 mm | + 3.0 mm / - 0.0 mm |
| Material Grade | Market Form | Estimated Price per Metric Ton (USD) |
| 3003-H14 | Plate / Sheet / Coil | $2,400 - $2,850 |
Contact the technical sales team at GNEE to secure wholesale 3003 H14 aluminum plates tailored to your automotive specifications.
1. Uses and Applications of 3003 H14 Aluminum Plate for New Energy Vehicles
- Prismatic Battery Casings: Automotive manufacturers utilize specialized stamping presses to form the H14 temper into rigid, rectangular enclosures for lithium-ion cells. The material withstands the severe mechanical stress of deep drawing, ensuring physical protection for internal chemical components operating at standard temperatures up to 60°C.
- Liquid Cooling Plates: Combining 3003 aluminum with a 4343 brazing alloy produces composite coil plates that route cooling fluids beneath battery modules. This specific application actively dissipates thermal energy, keeping the battery pack within the optimal 20°C to 40°C temperature range during high-voltage DC charging.
- Battery Pack Protective Trays: The 3003 H14 plate serves as the structural base for large-scale electric vehicle battery modules. Featuring a yield strength of 115 MPa (17 ksi), these heavy-duty structural trays absorb road vibrations and protect high-voltage internal wiring from direct pavement debris impact.
- Electromagnetic Shielding Covers: Automotive assembly lines stamp customized 1.5 mm thick sheets to form continuous shielding enclosures over high-voltage inverters. This solid metallic layer actively blocks electromagnetic interference, ensuring uninterrupted signal transmission for vehicle electronic control units during standard highway operation.
2. Key Benefits and Advantages of 3003 H14 Aluminum Plate
- Electrolyte Corrosion Resistance: The integration of 1.0% to 1.5% manganese strengthens the natural oxide surface, shielding the metal from alkaline battery electrolytes. This chemical resistance prevents material degradation if internal cell leakage occurs, ensuring the outer casing sustains long-term structural integrity during vehicle operation.
- Optimal Deep Drawing Capability: The half-hard H14 temper maintains a consistent elongation rate exceeding 8%, accommodating multi-stage mechanical stamping operations. Fabricators form deep rectangular battery shells without inducing micro-cracks or requiring intermediate thermal annealing cycles, maintaining high-volume production line efficiency.
- Lightweight Material Profile: Operating with a physical density of 2.73 g/cm³, this specific alloy is approximately 66% lighter than standard carbon steel equivalents. Substituting steel with this material directly reduces the gross vehicle mass, lowering electrical energy consumption and extending the standard driving range.
- Thermal Transfer Efficiency: Exhibiting a thermal conductivity rating of 193 W/(m·K), the 3003 aluminum rapidly pulls heat away from concentrated internal electronic sources. This thermal transfer prevents localized overheating within densely packed battery modules, extending battery lifecycle metrics and preventing dangerous thermal runaway.
Submit your technical blueprints to GNEE today for custom-cut 3003 cooling plate materials optimized for high-volume automotive production.
3. Delivery, Inspection Standards, and Packaging
Implementing strict logistical procedures, quality audits, and protective packaging protocols ensures the aluminum plates maintain surface integrity from the rolling mill to the automotive plant.
- Predictable Delivery Schedules: Standard industrial production models operate on a fixed 15 to 20-day delivery lead time from initial continuous casting to final rolling operations. This precise timeframe synchronizes seamlessly with modern electric vehicle manufacturing schedules, preventing inventory shortages for automated assembly plants.
- Surface Finish Verification: Quality inspectors evaluate plate surfaces under 1000-lux artificial lighting to confirm the total absence of scratches or residual rolling oils. Strict adherence to ASTM B209 visual standards guarantees a pristine metallic surface suitable for automated automotive welding and structural adhesive application.
- Protective Film Application: Manufacturing lines apply 50-micron or 80-micron blue and transparent polyethylene films directly onto the processed metal surface. This protective lamination shields the bare aluminum against abrasive friction during mechanical stamping processes, effectively preventing cosmetic defects on exposed electric vehicle components.
- Structural Wooden Palletization: Logistics operators secure the plates onto fumigated wooden pallets utilizing high-strength PET strapping and heavy-duty cardboard edge protectors. The rigid wooden base supports custom dimensions spanning up to 16000 mm, preventing physical bending or permanent deformation during standard rail and maritime transport.
4. Product Quality Testing
Standardized laboratory testing validates the exact mechanical thresholds and chemical limits of each batch, ensuring the material meets stringent automotive industry safety regulations.
- Tensile Strength Evaluation: Technicians operate calibrated universal testing machines to pull standard metal coupons until physical fracture occurs. This destructive test verifies the tensile strength falls precisely within the 140 to 185 MPa (20-27 ksi) range, validating material strength for structural load-bearing applications.
- Dimensional Accuracy Measurement: Quality engineers use laser micrometers to map the physical dimensions of the rolled plates to ensure strict conformity. Maintaining a thickness tolerance of ±0.02 mm guarantees seamless mechanical integration into automated automotive assembly lines, preventing robotic handling errors during high-speed manufacturing.
- Optical Emission Spectroscopy: Testing facilities deploy specialized spectrometers to analyze a vaporized surface sample, quantifying the exact alloy composition. This validation strictly ensures the manganese content remains between 1.0% and 1.5%, guaranteeing uniform chemical corrosion resistance and physical formability across different production batches.
- Cupping Formability Testing: Machinery operators execute standard Erichsen cupping tests by pressing a steel punch into the aluminum sheet until a visible crack appears. The precise indentation depth verifies the ductility limits of the H14 temper, confirming the material successfully survives commercial automotive stamping operations.
Upgrade your supply chain reliability by partnering with GNEE for fully certified 3003-H14 aluminum sheet procurement.
5. Future Development Prospects
Evolving electric vehicle battery architectures and advanced metallurgical processing technologies continue to drive modifications in the industrial production of 3003 series aluminum alloys.
- Recycled Material Integration: Aluminum smelters are actively modifying secondary processing parameters to utilize higher volumes of post-consumer automotive scrap. Maintaining exact ASTM chemical specifications while processing recycled 3003 aluminum minimizes total energy consumption and significantly lowers carbon emissions associated with primary smelting.
- Advanced Cladding Combinations: Material engineers are developing novel brazing configurations beyond the standard 3003+4343 composite coil setup. Merging the 3003 base with advanced silicon-aluminum alloys permits lower manufacturing brazing temperatures, directly improving production yields for complex multi-channel liquid cooling plates.
- Automated Optical Inspection: Processing facilities are integrating machine vision cameras powered by artificial intelligence directly onto cold rolling lines. These automated scanning systems detect sub-millimeter surface deviations at processing speeds reaching 600 meters per minute, drastically minimizing the shipment of defective automotive material.
Conclusion
The 3003 H14 aluminum plate remains an essential material for the production of modern New Energy Vehicles. Governed by the active ASTM B209 standard, this manganese-alloyed metal supplies the exact combination of a 115 MPa (17 ksi) yield strength and superior deep-drawing capability necessary for fabricating rigid battery casings. Furthermore, its 193 W/(m·K) thermal conductivity enables the construction of highly efficient liquid cooling plates, safely regulating internal cell temperatures.
By employing rigorous dimension testing, secure transit packaging, and rapid delivery schedules, GNEE ensures consistent material reliability for automotive supply chains. As automotive engineering advances, this lightweight, chemically resistant alloy will consistently support global electric transportation manufacturing.
Ensure your electric vehicle production lines operate without interruption by ordering premium 3003 aluminum coil directly from GNEE.