1050 aluminum sheet is a high-purity alloy containing ≥ 99.5% aluminum, utilized primarily for protecting the interior surfaces of industrial storage vessels. The material features specific thickness ranges from 3.0 to 6.0 mm and widths spanning 1000 to 2000 mm. Manufactured under stringent specifications such as ASTM B209 and EN 573, it strictly limits impurities, keeping silicon at ≤ 0.25% and iron at ≤ 0.40%.
This precise chemical composition establishes a highly stable natural oxide layer, making the sheet suitable for environments maintaining a pH of 4 to 9. Supplied in tempers like H14 and H112, the metal offers controlled mechanical properties that facilitate precise cold bending, rolling, and welding inside cylindrical or rectangular containment units.
Chemical Composition of 1050 aluminum plate
| Element | Content (wt %) | Role / Control Purpose |
|---|---|---|
| Al | ≥ 99.50 | Base metal-ensures high conductivity and corrosion resistance |
| Fe | ≤ 0.40 | Controlled to limit grain-boundary brittleness |
| Si | ≤ 0.25 | Affects fluidity and oxide film quality |
| Cu | ≤ 0.05 | Must be low for optimal corrosion resistance |
| Mn | ≤ 0.05 | Influences work-hardening behavior |
| Mg | ≤ 0.05 | Kept low to maintain ductility |
| Zn | ≤ 0.05 | Controlled to prevent intergranular corrosion |
| Ti | ≤ 0.03 | Grain refiner during casting |
| V | ≤ 0.05 | Trace element control |
| Others (each) | ≤ 0.03 | Total others ≤ 0.03 % |
Mechanical Properties of 1050 Aluminum Sheet
| Temper | Thickness (mm) | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) |
| 1050-H14 | 3.0 - 6.0 | 105 - 145 | Min 85 | Min 5 |
| 1050-H14 | 6.0 - 12.5 | 105 - 145 | Min 85 | Min 6 |
| 1050-H112 | 3.0 - 6.0 | Min 70 | Min 25 | Min 22 |
| 1050-H112 | 6.0 - 12.5 | Min 75 | Min 30 | Min 20 |
1050 Aluminum Sheet Plate General Physical Properties
| Physical Property | Value |
| Density | 2.71 g/cm³ |
| Melting Point | 650 °C |
| Thermal Expansion | 24 x 10-6/K |
| Modulus of Elasticity | 71 GPa |
| Thermal Conductivity | 222 W/m·K |
| Electrical Resistivity | 0.0282 x 10⁻⁶ Ω·m |
Technical Specifications of 1050 Aluminum Plate
| Parameter | Specification |
|---|---|
| Alloy | 1050 (Al ≥ 99.5%) |
| Temper | H14 / H112 |
| Thickness | 3.0 – 6.0 mm |
| Width | 1000 – 2000 mm (Customizable) |
| Length | Custom cut |
| Surface | Mill finish / Coated |
| Standards | ASTM B209 / EN 573 |
Not sure which temper (H14 or H112) is best for your tank design? Send your vessel dimensions and stored chemical types to our engineers. We provide free material matching and a quick quote within 24 hours.
Uses and Applications of 1050 Aluminum Sheet for Chemical Tank Lining
Industrial facilities utilize this specific high-purity aluminum alloy to construct protective interior barriers across various fluid containment, processing, and treatment infrastructures.
- Chemical Storage Tanks: Facilities utilize these metal sheets to line vessels storing mild acids, such as dilute sulfuric acid, and neutral salt solutions. The material provides a stable barrier within a pH range of 4 to 9, preventing the degradation of outer structural shells built to API 5L, ASTM A213, or EN 10216 standards and thereby extending the operational lifespan of the containment equipment.
- Water Treatment Systems: Municipal and industrial processing plants integrate these 3.0 to 6.0 mm sheets into neutralization basins and wastewater holding units. The material resists continuous exposure to humid air and varying fluid streams, ensuring containment integrity while maintaining a lower installation weight compared to solid stainless steel or heavy-duty polymer alternatives.
- Food Processing Containers: The non-toxic nature of 99.5% pure aluminum makes it suitable for lining fermentation vats and liquid food storage units. It resists mild corrosive agents found in organic materials while offering a smooth mill finish that facilitates cleaning and sterilization procedures at elevated temperatures up to 120 °C without structural deformation.
- Tanks with Secondary Coating Systems: Engineers specify this aluminum grade as a structural substrate for highly aggressive environments requiring secondary protective layers. The metal receives surface degreasing before contractors apply 50 to 80 μm of PTFE or PVDF coatings, creating a dual-layer defense system that withstands strong alkalis that would otherwise compromise bare aluminum surfaces.
Are you a tank fabricator needing bulk 1050 aluminum sheets with precise custom cutting? We supply widths up to 2000mm to reduce your welding seams. Email your cut-to-size list to sale@gneealu.com for our latest wholesale pricing.
Contact the GNEE Wholesale Team Today
Key Benefits and Advantages of 1050 Aluminum Sheet for Chemical Tank Lining
- Chemical Stability in Mild Environments: The 1050 aluminum alloy Plate naturally forms a dense oxide layer that exhibits excellent performance against weak acids and neutral salts; the high-purity matrix prevents localized galvanic corrosion, ensuring long-term material integrity when exposed to fluids maintaining a pH between 4 and 9.
- Excellent Formability for Tank Lining: The H14 and H112 tempers deliver a specific balance of tensile strength (70 to 125 MPa) and yield strength (≥ 25 MPa). This mechanical profile allows operators to execute cold bending, rolling, and precision welding procedures to match complex internal geometries and standard tank diameter ranges from 2000 mm to 15000 mm.
- Lightweight Structural Profiles: Featuring a density approximately one-third that of standard carbon steel, this aluminum lining significantly reduces the overall dead weight of fluid containment equipment. This characteristic minimizes mechanical stress on external supporting structures and lowers logistical requirements during the manual installation of internal lining segments across large industrial sites.
- Strict Thickness Tolerance and Flatness: Manufacturing processes maintain tight dimensional controls to ensure the sheets rest flush against the external steel shell. Strict adherence to flatness protocols eliminates internal voids and reduces residual stress, which prevents premature mechanical failure and ensures uniform thermal expansion across the 1000 to 2000 mm sheet widths.
- Surface Compatibility with Coatings: The mill finish surface supports immediate mechanical or chemical preparation for advanced polymer bonding. Facilities can apply epoxy, PVDF, or PTFE coatings directly to the aluminum substrate, significantly increasing the chemical resistance limit of the vessel when operations require the storage of fluids outside the standard pH 4 to 9 range.
Future Development Prospects
- Automated Defect Detection Systems: GNEE is implementing inline optical scanning technology to identify micro-scratches and oxidation spots during the hot and cold rolling processes. This ensures the surface quality remains flawless, which is critical for maximizing coating adhesion and preventing localized corrosion cells when the material encounters continuous fluid exposure.
- Standardized Surface Pre-Treatment: Mills are expanding their capabilities to supply material that is pre-degreased and chemically etched prior to delivery. This eliminates secondary processing steps for tank fabricators, ensuring immediate compatibility with PTFE or PVDF application parameters while minimizing the risk of contamination during transit and temporary storage.
- Comprehensive Property Testing Methods: Suppliers are upgrading their laboratory capabilities to provide precise verification of both chemical composition and mechanical properties per EN 485. Digital testing machines ensure the tensile strength accurately meets the 95 to 125 MPa range for H14 temper, guaranteeing reliable cold-forming behavior and elongation values reaching ≥ 5%.
- Custom Dimension Manufacturing Flexibility: Production facilities are adopting highly adjustable slitting and cutting machinery to support customized orders with exact thickness, width, and length requirements. This capability accommodates specific tank diameter ranges and minimizes raw material waste during the fabrication of both small-batch specialized vessels and large-scale standardized chemical storage units.
What GNEE Ensures for 1050 Tank Lining Aluminum Sheets
When sourcing 1050 aluminum sheets for chemical tank lining, execution quality is critical. At GNEE, we control key production and delivery details to ensure reliable performance in corrosive environments.
Surface Protection Control
GNEE applies industrial-grade PVC protective film (50–80 microns, blue or transparent) on the main surface before shipment. This prevents scratches during handling and transportation, reducing the risk of localized corrosion initiation in acidic environments.
Precision Thickness Tolerance
For tank lining applications requiring welding integrity, GNEE maintains strict thickness tolerance within ±0.1 mm for 3.0–6.0 mm sheets. This ensures compatibility with automated orbital welding systems and consistent seam quality during installation.
Export-Grade Moisture-Proof Packaging
To prevent oxidation during sea transport, GNEE provides:
IPPC-certified wooden pallets
Full wrapping with waterproof Kraft paper
Internal protection using silica gel desiccants
This packaging system minimizes the risk of "white rust" formation caused by humidity exposure.
Edge Quality Assurance
All sheets are processed with precision shearing or slitting, ensuring completely burr-free edges. This improves safety during installation and guarantees tight joint fitting during butt welding, avoiding gaps that could compromise sealing performance.
Ready to secure premium aluminum sheets with guaranteed zero surface defects? Click here to request an instant quote, and let GNEE support your next chemical infrastructure project.
Conclusion
The 1050 aluminum sheet provides a highly effective interior lining solution for fluid containment vessels operating within controlled chemical parameters. By utilizing material with ≥ 99.5% aluminum purity, engineers secure reliable corrosion resistance against mild acids and neutral solutions. The precise mechanical properties of the H14 and H112 tempers facilitate the necessary bending and welding processes required for complex internal tank geometries.
Furthermore, the alloy's compatibility with advanced polymer coatings like PTFE allows facilities to upgrade their protection systems when handling aggressive liquid media. Strict adherence to manufacturing specifications guarantees dimensional accuracy and material integrity, ensuring industrial storage networks maintain continuous, leak-free operations.