8011 H14 Aluminum Closure Sheet
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What is 8011 H14 Aluminum sheet?
The 8011 H14 aluminum closure sheet is a specialized commercial aluminum alloy material designed primarily for the packaging industry. It is the standard raw material for manufacturing various bottle caps and sealing systems worldwide.
Because cap manufacturing requires the aluminum to be punched and formed into specific shapes at high speeds, the material must offer excellent deep drawing performance, stable mechanical strength, and a very low earing rate.
The "8011" refers to the specific alloy grade, which includes controlled amounts of Iron (Fe) and Silicon (Si) to improve its strength and formability. The "H14" refers to the temper, meaning the material is strain-hardened to a half-hard condition. This specific state provides the perfect balance: it is strong enough to withstand internal bottle pressure, yet ductile enough to be molded around a bottleneck without cracking.
Why Choose 8011 H14 Aluminum Closure Sheet?
While 8011 H14 is the most common temper, we do offer other tempers depending on your specific cap design. Understanding the difference helps you choose the right aluminum closure sheet for your factory.
| Temper | Characteristics | Suitable Applications |
| 8011 O (Fully Soft) | Extremely soft, highest ductility and formability. | Highly complex, extra-deep drawing caps where maximum stretch is required. |
| 8011 H14 (Semi-Hard) | Balanced strength and formability. The industry standard. | Standard ROPP beverage caps, wine screw caps, standard pharmaceutical seals. |
| 8011 H16 (Harder) | Higher strength, but lower ductility (harder to stretch). | High-pressure closures, simple flat caps, vacuum seals that require high rigidity. |
Are you looking for a reliable aluminum closure sheet supplier? Contact GNEE today with your required thickness and width for a quick, competitive quote!
Key Features of 8011 H14 Aluminum Closure Sheet
- Excellent Deep Drawing Performance: It can be stretched and formed into long caps (like wine bottle caps) without breaking or cracking at the top edges.
- Low Earing Rate: "Earing" refers to the uneven, wavy edges that can occur when aluminum is drawn into a cup shape. A low earing rate ensures the cap edges remain flat and uniform, reducing material waste and trimming time.
- High Strength in H14 Temper: The semi-hard state ensures the cap retains its shape during transport and provides a secure seal.
- Superior Surface Quality: The sheets are produced to be defect-free, flat, and highly receptive to printing inks and protective coatings.
- Food-Grade Safety: It is completely non-toxic, safe for direct contact with food and medicine packaging.
- Lightweight & Recyclable: Aluminum is easy to transport and 100% infinitely recyclable, making it an eco-friendly packaging choice.
Chemical Composition of 8011-H14 Aluminum Closure Sheet Plate
| Alloy | Si | Fe | Cu | Mn | Mg | Cr | Zn | Ni | Ti | Other | Al | |
| Each | Total | |||||||||||
| 8011 | 0.50-0.90 | 0.60-1.00 | 0.10 | 0.20 | 0.05 | 0.05 | 0.10 | – | 0.08 | 0.05 | 0.15 | Remainder |
Aluminum 8011 H14 sheet Mechanical Properties
| Property | Value | Significance |
| Tensile Strength (UTS) | 125–170 MPa | Suitable for structural applications |
| Yield Strength | 120–157 MPa | Resists deformation under stress |
| Elongation at Break | 2–4% | Maintains formability despite strain hardening |
| Brinell Hardness | 41 | Balances durability and machinability |
| Fatigue Strength | 58 MPa | Withstands cyclic stresses |
Specification of 8011-H14 Aluminum Closure Sheet Plate
| Alloy | 8011 |
| Temper | H14,H24,H16, H26,H18 |
| Thickness | 0.15-0.5mm |
| Width | 500-2500mm |
| Rolling Process | CC/DC |
| Application | ROPP caps, PP caps, anti-theft caps in rolls, anti-theft caps, aluminum bottle caps, aluminum screw caps, tear-off caps, flip caps, whiskey and other beverage bottles |
| Delivery time | 25-30 days |
| Package | Export package |
| Samples | Available |
Surface Finishes of 8011 H14 Aluminum Closure Sheet
- Mill Finish: The standard, untreated raw aluminum surface. Best if you have your own coating and printing lines.
- Degreased Surface (DOS Treatment): The aluminum is washed to remove all rolling oils. This is critical if you plan to apply food-grade lacquers, as oil residue will prevent the paint from sticking.
- Color Coated / Lacquered: We can supply aluminum sheets pre-coated with food-safe epoxy or polyester lacquers (clear, gold, white, or custom colors).
- Printed Surface: Pre-printed with your brand logo or specific designs.
- Anodized: For premium cosmetics and luxury spirit caps, offering a high-end metallic finish.
Our Surface Quality Guarantee:
When you receive a shipment from GNEE, we guarantee no scratches, no rolling marks, no oxidation, and no oil contamination. The surface will be completely flat and ready for your production line.
Common Uses of 8011-H14 Aluminum Closure Sheet
1. Beverage Industry
The most common use is for ROPP (Roll-On Pilfer-Proof) caps. When you buy a glass bottle of sparkling water or carbonated soda, the metal cap on top is usually made of 8011 H14 aluminum. The material is placed over the threaded glass neck, and a machine rolls the aluminum tightly into the glass threads. It requires the aluminum to be flexible enough to take the thread shape without tearing. It is also used for vacuum-seal caps on certain beer and juice bottles.
2. Wine & Spirits Industry
Standard wine caps (usually 30x60 mm) require a slightly thicker aluminum sheet (around 0.22mm) to provide a premium feel and prevent oxygen from entering the bottle. This material is also used for complex anti-counterfeit closures on whiskey and vodka bottles.
3. Pharmaceutical Industry
8011 H14 is used to make the tear-off seals for injection vials, antibiotic bottles, and oral liquid syrups. The aluminum must be perfectly degreased and free of any contaminants before it is sterilized and applied to medical glass vials.
4. Food Packaging Industry
The metal pourer caps on olive oil bottles, the screw caps on premium soy sauce, and the seals on small dairy and yogurt glass jars are all stamped from this specific aluminum alloy.
5. Cosmetics Industry
High-end perfumes, essential oil bottles, and skincare creams often use aluminum closures. The 8011 material is easily anodized to create shiny gold, silver, or matte black finishes that appeal to cosmetic brands.
Standard Dimensions & Recommended Sizes
Different bottles require different cap sizes, which in turn require different aluminum thicknesses. Below is a practical guide to the typical dimensions used in the industry.
| Thickness (mm) | Width (mm) | Common Application |
| 0.16 – 0.18 | 800 – 1000 | Beverage caps, standard ROPP caps for water and soda. |
| 0.18 – 0.22 | 800 – 1200 | Wine & liquor caps (e.g., standard 30x60mm screw caps). |
| 0.22 – 0.25 | 900 – 1250 | Pharmaceutical seals, industrial caps, large food jars. |
At GNEE, we support custom sizes. Whether you need standard large coils or specific slit widths for your punching machines, we can process
the metal to your exact specifications. Multi-size and small batch trial orders are welcome.
Not sure which exact dimension fits your high-speed capping machine? Send us your machine specs and let our technical team calculate the optimal thickness and width for you.
Production & Quality Control
- Precision Thickness Control: We use advanced cold rolling mills equipped with automatic thickness control (AGC) systems. This is critical because if the sheet is just 0.01mm too thick, your cap punching machine might jam.
- Earing Rate Testing: We test every batch by deep-drawing a sample cup. We ensure the earing rate remains strictly below 2%, guaranteeing a flat edge for your caps.
- Mechanical Testing: Samples are pulled in a tensile testing machine to verify the 145–185 MPa tensile strength and ≥ 2% elongation.
- Chemical Analysis: Before casting, the liquid aluminum is checked with a spectrometer to ensure the Silicon and Iron levels perfectly match the 8011 standard.
- Compliance: Our materials strictly comply with ASTM B209 and European EN standards. Food-grade compliance certificates (such as FDA or SGS) are available upon request.
Tolerance Control
| Parameter | Tolerance Limit |
| Thickness | ± 0.005 mm |
| Width | ± 1.0 mm |
| Flatness | ≤ 3 I-Unit |
| Standard Coil ID | 508 mm or 610 mm |
Packaging & Shipping
GNEE uses heavy-duty, export-standard seaworthy packaging.
- Moisture Protection: Every aluminum coil or sheet stack is first wrapped tightly in PE (polyethylene) moisture-proof film, followed by a layer of waterproof kraft paper. We also insert desiccant bags to prevent any condensation inside the shipping container.
- Physical Protection: Plastic or hard cardboard protective boards are applied to the inner and outer edges of the coils to prevent edge damage.
- Palletizing: The wrapped material is placed on strong wooden pallets. All wood used is fumigated, heat-treated, and clearly stamped with the ISPM15 certification, ensuring smooth customs clearance at your destination port.
- Strapping: High-strength steel strips are used to secure the material to the pallet, preventing any shifting during transport.
- Handling: We arrange secure loading into 20ft or 40ft containers directly at our factory to minimize handling risks.
We offer flexible shipping terms, including FOB, CIF, and CFR. For stock standard sizes, we offer fast delivery. For custom production, our standard lead time is 15 to 30 days.
How Much Does It Cost?
The price of 8011 H14 aluminum closure sheet is not fixed; it fluctuates based on the global aluminum market. We use a transparent pricing formula based on the Shanghai Metals Market (SMM) daily rate.
Final Price Formula = SMM Aluminum Ingot Price + Processing Fee + Premium (Coating/Packaging)
- Aluminum Ingot Price: The base cost of raw aluminum on the day of your order.
- Processing Fee: This covers the rolling, annealing, and slitting. Thinner sheets (like 0.16mm) require more rolling time, so their processing fee is slightly higher than thicker sheets (like 0.25mm).
- Coating/Printing: If you need degreasing, color coating, or printing, this adds an extra cost per ton.
- Packaging: Standard export wooden packaging is generally included in our base quote.
Want to know the exact price for your order? Message us today to get a precise quotation based on today's live SMM aluminum ingot rate.
Why Choose GNEE as Your Supplier?
- Flexible Orders: We support multi-size, small-batch, and fully customized orders. You do not need to buy massive bulk if you are just testing a new product line.
- Strong Supply Chain: From the raw aluminum ingot to the finished, painted closure sheet, we control the entire process.
- Strict Quality Control: Every shipment comes with a detailed Mill Test Certificate (MTC).
- Global Export Experience: We regularly export packaging aluminum to clients in Southeast Asia, Europe, the Middle East, and South America. We know your local import requirements.
- Fast Response: Our sales team is composed of technical experts who provide quick recommendations and quotations within 24 hours.
Contact Us
Upgrade your packaging with high-quality 8011 H14 aluminum closure sheets from GNEE.
We provide:
- Free material samples for your testing
- Professional technical recommendations for your machinery
- A fast, detailed quotation within 24 hours
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