Haomei Aluminum supplies 8011 aluminum closure stock for manufacturers converting aluminum sheet, coil and slit material into bottle caps and packaging closures. The material specification can be matched to the cap design, forming sequence, surface treatment and production equipment.
8011 belongs to the aluminum–iron–silicon alloy family and is widely used in packaging closures. Applications include ROPP caps, wine and spirits screw caps, and aluminum components for pharmaceutical vial seals.
Our supply is focused on the aluminum raw material, not finished bottle caps or pharmaceutical seals. For a broader view of our product range, see Aluminum Closure Stock for Bottle Caps.
- Alloy
- AA 8011
- Available Tempers
- H14 / H16 / H24 / H26
- Thickness
- 0.15–0.25 mm
- Standard Published Width
- 500–1000 mm
- Thickness Tolerance
- ±0.005 mm
- Slit Strip Width
- 20–500 mm
8011 Aluminum Closure Stock Specifications
| Parameter | Published Specification |
| Alloy | 8011 |
| Temper | H14, H16, H24, H26 |
| Thickness | 0.15–0.25 mm |
| Thickness Tolerance | ±0.005 mm |
| Standard Published Width | 500–1000 mm |
| Published Sheet Length | 500–1000 mm |
| Published Width/Length Tolerance | +0.5 mm / −0 mm |
| Slit Strip Width | 20–500 mm |
| Coil Inner/Outer Diameter and Weight | Confirm by order |
| Diagonal Difference | ≤1 mm |
| Surface Finish | Mill finish, degreased, pre-lubricated, pre-treated or lacquered, subject to order confirmation |
Request a Quote for 8011 Aluminum Closure Stock
Send Haomei Aluminum your required thickness, width, temper, supply form, surface finish and estimated quantity. For coil orders, include the required inner diameter, outer diameter and coil weight.
Send Your RequirementChemical Composition and Mechanical Properties of 8011
8011 Aluminum Closure Stock Chemical Composition
| Element | Iron (Fe) | Silicon (Si) | Copper (Cu) | Manganese (Mn) | Magnesium (Mg) | Chromium (Cr) | Zinc (Zn) | Titanium (Ti) | Other elements | Aluminum (Al) |
| wt.% | 0.60–1.00 | 0.50–0.90 | ≤0.10 | ≤0.20 | ≤0.05 | ≤0.05 | ≤0.10 | ≤0.08 | Each ≤0.05; total ≤0.15 | Remainder |
Mechanical Properties: 8011-H14 Reference Data
| Production Route | Temper | Thickness | Tensile Strength | Elongation |
| Direct casting (DC) | H14 | 0.15–0.25 mm | 125–155 MPa | ≥2% |
| Continuous casting (CC) | H14 | 0.15–0.25 mm | 185–205 MPa | ≥2% |
Why Choose 8011 Aluminum for Bottle Caps?
8011 aluminum alloy is widely used for bottle cap stock because it offers a practical balance of formability, strength, surface quality and production cost. With suitable alloy composition, rolling and annealing control, 8011 aluminum sheet and coil can be supplied for manufacturing aluminum screw caps, tamper-evident closures and other formed packaging components.
Formability for Multi-Stage Closure Production
Aluminum bottle caps may undergo stamping, drawing, knurling and tamper-evident band forming. Depending on the closure design, threads may also be formed during subsequent processing. Haomei controls rolling and annealing conditions to provide suitable mechanical properties for forming, helping limit cracking, wrinkling and other material-related defects.
A Balance of Strength and Flexibility
Bottle cap stock needs to deform during forming while retaining its intended shape after processing. Material that is too soft may lack the required dimensional stability, while excessive hardness can increase forming difficulty and cracking risk. The iron and silicon content of 8011 aluminum, together with controlled work hardening and annealing, helps achieve a suitable balance for closure production.
Suitable for Lacquering and Printing
With appropriate surface cleanliness, residual oil control and pretreatment, 8011 aluminum sheet and coil can be used for interior or exterior lacquer coating and color printing. These surface treatments support the decorative appearance and protective requirements of finished bottle caps. Coating and printing compatibility should be verified against the converter's process.
Corrosion Protection for Packaging Applications
Aluminum naturally develops a protective oxide film that provides a degree of corrosion resistance. For bottle caps used in beverage, wine and pharmaceutical packaging, the final protection depends on the product environment, coating system, liner and sealing design. Appropriate coatings and closure components should be selected according to the intended application and applicable requirements.
Consistent Supply and Production Cost Control
Established 8011 aluminum rolling and annealing processes make it possible to control thickness, flatness and mechanical properties for repeat production. Consistent incoming material can help closure manufacturers maintain stable forming conditions, reduce material- related scrap and manage overall production costs. Specifications should be matched to the closure design and production line.
The advantage of 8011 aluminum closure stock is not maximum hardness or corrosion resistance alone. It is the combination of formability, adequate strength, surface-treatment compatibility and controll
8011 Bottle Cap Stock Surface Finish and Coating Options
Mill Finish
Uncoated aluminum with a standard rolled surface, suitable for further processing such as cleaning, pretreatment, lacquering or printing. Surface requirements should be agreed upon according to the customer's downstream process.
DOS Oil-Lubricated Finish
A controlled application of dioctyl sebacate (DOS) lubricant can support forming and handling during bottle cap production. The lubricant level and compatibility with subsequent cleaning, coating or printing processes should be confirmed before ordering.
Color-Coated Aluminum
Pre-coated aluminum sheet or coil is available for applications requiring a specified color or surface appearance. Coating type, color, coating thickness and forming compatibility should be agreed upon based on the closure design and production conditions.
Clear or Transparent Lacquer on Both Sides
Both sides can be specified with clear or transparent lacquer where the application requires a protective surface layer. Lacquer performance, adhesion and compatibility with forming, printing and product-contact requirements should be verified for the intended use.
Applications of 8011 Aluminum Closure Stock
Haomei Aluminum supplies 8011 aluminum sheet and coil for closure manufacturers that need consistent material for stamping, forming and surface finishing. The required temper, thickness, width and surface treatment depend on the closure design and production process.
ROPP Caps
8011 aluminum stock can be specified for roll-on pilfer-proof (ROPP) caps used on beverage and spirit bottles. Thickness, temper and surface condition should suit cap forming, thread rolling and any subsequent coating or printing operations. For application-specific details, see our aluminum for ROPP caps.
Wine and Spirits Screw Caps
For wine and spirits closures, material selection depends on cap dimensions, skirt height, decoration requirements and forming conditions. Haomei can discuss suitable 8011 sheet or coil specifications based on the customer's processing requirements. You can also learn more about aluminum for wine bottle screw caps.
Pharmaceutical Vial Seals
8011 aluminum stock may be suitable for certain pharmaceutical vial seals, depending on the closure design and manufacturing process. Temper, dimensional tolerances, surface finish and coating compatibility should be evaluated against the intended forming operations and closure requirements.
8011 vs. 3105 Aluminum Closure Stock
8011 and 3105 aluminum closure stock differ in alloy composition, but the alloy designation alone does not determine which material will perform better during cap production. 8011 belongs to the Al-Fe-Si alloy family, while 3105 is an Al-Mn alloy. The choice should be based on the closure design, specified temper, material thickness and the requirements of the forming process.
| Comparison Factor | 8011 Aluminum | 3105 Aluminum |
| Alloy Family | Aluminum-iron-silicon (Al-Fe-Si) | Aluminum-manganese (Al-Mn) |
| Material Specifications | Check the specified temper, thickness tolerance, mechanical properties and surface requirements against the closure drawing. | Review the same parameters, particularly the strength, elongation and forming characteristics required by the closure design. |
| Production Evaluation | Assess earing, cracking, edge quality and forming consistency during production trials. | Apply the same forming checks under comparable tooling and production conditions before approving the material. |
| Surface and Coating | Confirm that the supplied surface condition and any specified coating or pretreatment meet the processing requirements. | Verify surface quality and coating compatibility against the same requirements used for 8011. |
Neither alloy is automatically the better choice for every closure application. Replacing 8011 with 3105, or vice versa, requires checking the material specifications and confirming forming performance on the intended production line. Differences in temper, gauge and closure geometry can affect the result as much as the alloy designation itself.
Haomei Aluminum supplies aluminum closure stock according to specified alloy, temper, thickness, width and surface requirements. For a material comparison or substitution review, provide the required specifications and closure application. You can also explore our 3105 aluminum closure stock for related product information.
Quality Control for 8011 Aluminum Closure Stock
Dimensions and Edge Condition
Define checks for thickness, width, sheet dimensions, flatness, diagonal difference and slit-edge quality according to the ordered format and applicable tolerance.
Surface Inspection
Agree how to inspect scratches, oil marks, oxidation, roll marks, edge cracks and other surface conditions relevant to the intended coating, printing and forming processes.
Chemical and Mechanical Tests
Specify the applicable chemical composition, tensile-strength and elongation requirements. The results should correspond to the ordered alloy, temper, thickness and production route.
FAQ – 8011 Aluminum Closure Stock
What is 8011 aluminum closure stock?
8011 aluminum closure stock is aluminum sheet, coil or slit material supplied as a raw material for manufacturing packaging closures. It is intended for further processing and is not a finished bottle cap.
What thicknesses are available for 8011 bottle cap stock?
Haomei's published thickness range for 8011 aluminum closure stock is 0.15–0.25 mm. The appropriate gauge depends on the closure drawing, temper, tooling and forming requirements. Contact Haomei to confirm the required thickness tolerance and availability for your order.
Which tempers are available for 8011 aluminum closure stock?
The published temper range includes H14, H16, H24 and H26. Availability depends on the required dimensions and supply form. Mechanical properties should be verified against the applicable material specification and batch test records.
Can 8011 aluminum be used for ROPP caps and vial seals?
Yes, 8011 aluminum can be considered for suitable ROPP caps and vial seal applications when its thickness, temper, surface condition and forming characteristics meet the requirements of the closure design. Production trials and coating or surface-treatment checks may be necessary before approval.
Is 8011 aluminum always better than 3105 for bottle caps?
No. 8011 and 3105 belong to different alloy families and may respond differently to forming processes. The appropriate choice depends on the closure design, required mechanical properties, surface treatment and performance during sample forming or production trials.
Can Haomei supply 8011 aluminum coil with customized surface finishes?
Coil and slit-stock configurations, along with applicable surface treatments, should be confirmed for each order. When requesting a quotation, provide the required coil dimensions, surface finish, coating specifications and forming conditions so Haomei can review the requested configuration.
Which inspection documents can be requested for 8011 aluminum closure stock?
Depending on the order requirements, inspection documentation may include a material test certificate (MTC), chemical composition, mechanical properties and dimensional inspection results. Confirm the available documents and required testing scope with Haomei before placing the order.