A 214 tinplate beer can top end is a metal closure intended to be seamed onto a compatible can body. In traditional fractional end-size notation, “214” is commonly read as a nominal diameter of 2-14/16 inches, or approximately 73.0 mm. That code alone does not confirm the finished end’s dimensions, profile, opening, or suitability for a particular can or seaming line, so buyers should verify compatibility against a technical drawing and production samples before ordering.
This guide is for beverage-can manufacturers, breweries, packaging procurement teams, and filling-line operators evaluating tinplate ends for a beer can project. It is especially useful when replacing an existing end, sourcing from a new supplier, or checking whether a specified end can work with a current can body and seamer. The aim is to help buyers identify the information needed for a sound technical and commercial decision.
Because end dimensions and equipment settings are application-specific, the information below is a selection framework rather than a substitute for an approved drawing or seam trial. Confirm all critical details with the can and end suppliers and the equipment manufacturer. Do not order on the basis of the “214” designation alone.
A can top end is the formed metal component attached to a can body by a double seam. It closes the filled container and provides the opening feature specified for the package. The end must match the body’s flange and the seaming system’s tooling so the completed seam can be formed to the required acceptance criteria.
Tinplate is steel coated with a thin layer of tin; the complete end may also use additional coatings or compounds depending on the design and intended contents. The end’s material, coating system, thickness, geometry, and opening configuration should therefore be confirmed in the supplier’s documentation. A material name alone does not establish suitability for a particular beer formulation or processing condition.
Under traditional fractional end-size nomenclature, the digits can indicate inches and sixteenths of an inch: 214 is commonly interpreted as 2-14/16 inches. That converts to 2.875 inches, or approximately 73.0 mm, as a nominal size reference. Actual dimensions and tolerances must come from the product drawing because the code is not a complete specification.
When comparing quotations, request a drawing that identifies the end profile and all dimensions needed for fit and seaming. The following table outlines the key information to review. Values other than the nominal code interpretation should be supplied or approved for the specific project, not assumed from a general description.
| Specification | What to verify | Why it matters |
|---|---|---|
| Nominal end size | 214 designation and the supplier’s stated dimensional reference | Helps establish the intended size family, but does not prove fit by itself |
| End profile | Overall geometry, curl, countersink, and any relevant profile dimensions | Must correspond with the can body and seaming tooling |
| Material and thickness | Tinplate specification and agreed thickness or gauge | Influences forming and must suit the design and production requirements |
| Coatings and compound | Interior and exterior coatings, plus sealing compound details where applicable | Supports the agreed product-contact and closure requirements |
| Opening configuration | Specified opening feature and any requested tab or score design | Determines user access and must match the intended package design |
| Seaming requirements | Compatible body flange, chuck, roll setup, and seam acceptance criteria | Compatibility must be demonstrated in the actual production system |
Start with the exact can-body specification, including its nominal size, flange geometry, and supplier drawing. Compare it with the end drawing and confirm that both suppliers identify the components as compatible. Even when two products carry the same nominal size code, their profiles or tolerances may differ.
Next, check the seaming equipment. The end must work with the installed chuck and roll configuration, and the line must be set up for the relevant can and end combination. If you are changing suppliers or designs, plan a controlled seam evaluation with qualified production personnel rather than assuming the existing setup will transfer unchanged.
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Discuss the beer formulation, filling process, and any relevant storage or distribution conditions with the packaging supplier. Ask for written confirmation of the proposed tinplate and coating system for the intended application, and clarify which product-contact or performance requirements have been assessed. If a particular coating status or regulatory declaration is required, specify it in the RFQ and request applicable documentation rather than relying on an unverified label.
For a useful technical review, share more than the phrase “214 tinplate beer can top end.” Include the can-body drawing, current end specification if available, line or seamer details, opening requirements, estimated demand, and destination market. This lets a supplier identify unanswered questions before quotation and reduces the risk of comparing products that are not technically equivalent.
Price and availability depend on the confirmed material and coating specification, end design, order quantity, packaging method, and delivery destination. Minimum order quantity and lead time also vary by supplier, production schedule, and whether the request uses an existing specification or requires new development. Request these terms in a written quotation, with the quoted specification and delivery basis clearly stated.
When comparing offers, check whether tooling, samples, inspection documents, export packaging, and freight are included or quoted separately. A lower unit price is not a meaningful comparison if the material, coating, tolerances, or commercial terms differ. Ask each supplier to identify any assumptions in the offer.
A frequent mistake is treating the nominal 214 code as a complete dimensional specification. It is a useful starting point, but the end profile and interface dimensions still need to match the can body. Another risk is approving a sample without confirming that it represents the same material, coating, and configuration as the quoted production item.
Buyers should also avoid changing ends without involving the relevant production and quality teams. A different end may require equipment review and seam evaluation, even if the nominal size appears unchanged. Record the approved drawing and trial conditions so purchasing, production, and quality teams work from the same specification.
At Wanhua, we can work with B2B buyers to clarify the required 214 end specification, review available drawings and application details, and identify information needed to assess compatibility. For an inquiry, provide your target quantity, delivery destination, can-body specification, opening requirements, and any material or coating requirements. Where the fit or seaming setup is uncertain, request technical review and agree on an appropriate sample or validation process before production release.
A 214 tinplate beer can top end is a closure component whose suitability depends on more than its nominal size code. The conventional interpretation of 214 is 2-14/16 inches, approximately 73.0 mm, but buyers must confirm the actual drawing, material, coating, opening design, and seaming interface. Compatibility should be established against the specific can body and production equipment.
To move forward, collect the can-body drawing and seamer details, define product and coating requirements, and ask suppliers for a documented specification and quotation. Then review samples or conduct an agreed production evaluation before approving repeat orders. Contact Wanhua with your project requirements to discuss the information needed for a 214 tinplate beer can top-end assessment.
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