SPTE Tinplate Sheet – Electrolytic tin-coated steel sheet for can making and metal packaging.
SR & DR Temper Options – T1–T5 and DR grades available for different forming requirements.
Custom Tin Coating – Equal and differential tin coating specifications available.
Printing & Forming Ready – Suitable for lacquering, printing, stamping, welding and can production.
Complete Export Documents – MTC, COO, test reports and shipping documentation available.
SPTE Tinplate Sheet is a cold-rolled low-carbon steel sheet coated with controlled quantities of metallic tin through an electrolytic tinning process.
The steel substrate provides mechanical strength, rigidity and forming performance, while the tin-coated surface supports lacquering, lithographic printing, stamping, forming, soldering and electrical resistance welding according to the selected application.
Henan GDD supplies SPTE Tinplate Sheet to food-can manufacturers, Easy Open End producers, metal-printing companies, closure factories and packaging distributors. Thickness, width, length, temper, tin coating, surface finish and cut-to-size dimensions can be customized according to customer production requirements.
| Item | Specification |
|---|---|
| Product Name | SPTE Tinplate Sheet / Electrolytic Tinplate Sheet |
| Base Material | Cold Rolled Low-carbon Steel |
| Coating Type | Electrolytically Deposited Tin |
| Applicable Standards | JIS G3303, ASTM A623/A624, EN 10202, GB/T 2520 or Customer Specification |
| Thickness | 0.13 mm – 0.50 mm or Customized |
| Width | 500 mm – 1200 mm or Customized |
| Length | 500 mm – 1200 mm or Customized Cut-to-size Dimensions |
| Single-reduced Temper | T1, T2, T2.5, T3, T4, T5 or Customized |
| Double-reduced Temper | DR7, DR8, DR8.5, DR9 or Customized |
| Equal Tin Coating | 1.1/1.1, 2.8/2.8, 5.6/5.6, 8.4/8.4, 11.2/11.2 g/m² or Customized |
| Differential Tin Coating | 2.8/5.6, 2.8/8.4, 5.6/8.4 g/m² or Customized |
| Surface Finish | Bright, Stone, Fine Stone, Silver, Matte or Customized |
| Annealing | BA Batch Annealed / CA Continuous Annealed |
| Surface Treatment | Passivated, DOS Oiled, Lightly Oiled or Customized |
| Edge Condition | Mill Edge, Slit Edge or Cut Edge |
| Processing Service | Cut-to-length, Slitting, Scroll Cutting, Printing, Lacquering and Customized Packing |
| FDA-related Test Support | Relevant Third-party Test Report Against Applicable FDA 21 CFR 175.300 Requirements Available According to Product and Report Scope |
| Inspection | MTC, Dimension Inspection, Tin Coating Verification, Surface Inspection, Hardness or Mechanical Property Check and Third-party Inspection |
| Applications | Food Cans, Can Bodies, Easy Open Ends, Conventional Ends, Closures, Printed Tins and Metal Packaging |
| Available Documents | MTC, Relevant Test Reports, Certificate of Origin, Export License Where Required, Commercial Invoice, Packing List, Bill of Lading and Customs Documents |
| Packing | Rust-resistant Paper, Protective Steel Cover, Wooden Pallet, Edge Protection, Steel Straps and Seaworthy Export Packing |
| Trade Terms | EXW, FOB, CFR, CIF |
Available sheet dimensions, temper grades, tin coating specifications and mechanical properties depend on the applicable standard, production route and mill capability. Final specifications should be confirmed through the purchase order and Mill Test Certificate.
SPTE is a commonly used designation for electrolytic tinplate steel. It is produced from cold-rolled low-carbon steel that receives a controlled metallic tin coating through an electrolytic plating process.
SPTE Tinplate Sheet is normally produced by converting master tinplate coils into flat sheets with controlled width and length.
Sheet form is particularly suitable for metal printing, can-body blank production, stamping of lids and closures, Easy Open End manufacturing and other applications requiring pre-cut material.
ETP means Electrolytic Tinplate, while SPTE is a commonly used designation for electrolytic tinplate steel.
In international steel and packaging trade, both terms are widely used when referring to steel products with an electrolytically deposited tin coating.
Buyers should still confirm the applicable standard, material thickness, temper, tin coating, surface finish and dimensions rather than purchasing solely according to the abbreviation.
SPTE Tinplate consists of several functional layers rather than only steel and visible metallic tin.
The low-carbon steel substrate provides the principal structural strength and forming performance. An iron-tin alloy layer develops between the steel and metallic tin, while the electrolytically deposited tin forms the primary metallic surface.
A final surface treatment and controlled oil film support handling, storage, lacquering and downstream processing.
Tinplate coil is supplied as continuous strip and is suitable for customers with their own slitting or cut-to-length equipment.
SPTE Tinplate Sheet has already been converted to flat dimensions and is often more convenient for metal printing, stamping and can-body blank production.
Sheet dimensions can be optimized according to printing layouts, can-body sizes and component nesting arrangements to improve material utilization.
Single-reduced, or SR, tinplate is produced through cold reduction followed by annealing and temper rolling.
Common temper grades include T1, T2, T2.5, T3, T4 and T5.
Different tempers provide different combinations of hardness, stiffness and formability for cans, closures and decorative metal packaging.
Double-reduced tinplate receives an additional cold-reduction stage after annealing.
This process can provide relatively high strength and stiffness at a reduced material thickness.
Common double-reduced specifications include DR7, DR8, DR8.5 and DR9.
Because DR material has different forming behavior from SR tinplate, production tooling and forming direction should be considered carefully.
Temper affects hardness, stiffness, forming performance and finished-package stability.
Softer tempers can provide increased formability, while harder materials can provide greater panel stiffness for selected can bodies and end components.
Customers should provide the final application, component geometry, material thickness and production process when confirming the correct temper grade.
Equal coating means approximately the same nominal tin coating weight is applied to both sides of the SPTE sheet.
Common commercial specifications include 2.8/2.8 g/m² and 5.6/5.6 g/m², together with other customized coating weights.
Equal coating is suitable when both sides require similar coating characteristics.
Differential tin coating applies different nominal quantities of tin to the two sides of the sheet.
This can help optimize coating use when one side requires a heavier tin layer than the other.
Correct identification of each surface is important during lacquering, printing and conversion into the finished can component.
Tin coating requirements should be evaluated according to the finished application, internal lacquer system, external printing, forming process and customer specification.
A heavier tin coating alone does not determine the complete corrosion performance of a finished food can.
The packaged product, internal coating, manufacturing quality, sterilization process and storage conditions should be considered as part of the complete packaging system.
Bright tinplate provides a smooth and reflective metallic surface suitable for printed food cans and decorative packaging.
Stone finish provides a controlled textured surface widely used for general can-making applications.
Fine Stone provides a finer surface texture and more uniform appearance for selected printing and packaging applications.
Silver-type finishes can provide distinctive metallic visual characteristics for decorative packaging.
Matte finish provides lower reflectivity and can support specialized packaging designs.
BA means Batch Annealed or Box Annealed, while CA means Continuous Annealed.
These terms describe the annealing route used to develop the mechanical characteristics of the steel substrate.
BA should not be interpreted as Bright Annealed in this tinplate context. Bright, Stone and Matte describe surface appearance, while BA refers to Batch Annealing.
Three-piece food-can manufacturing commonly uses rectangular SPTE body sheets.
The sheets can be lacquered and lithographically printed before being cut into individual body blanks.
Each body blank is formed into a cylinder and joined using electrical resistance welding before flanging and double seaming.
Sheet dimensions can be designed according to the required can circumference, body height and welding allowance.
Suitable SPTE specifications can be used for selected Easy Open Ends and conventional can lids.
End production requires controlled material hardness, dimensional consistency and reliable stamping behavior.
Material thickness and temper should be matched with the end diameter, score structure, forming tooling and seaming requirements.
Tomato paste is commonly packaged in three-piece tinplate cans manufactured from printed SPTE body sheets.
Because tomato products are acidic, internal lacquer selection should be matched with the product formulation, thermal-processing conditions and expected shelf life.
Henan GDD can coordinate raw SPTE sheets, printed tinplate, food-can bodies and compatible Easy Open Ends according to project requirements.
Seafood packaging can use SPTE Tinplate for printed can bodies and selected closure components.
Internal coating requirements may differ according to whether sardines or tuna are packed in oil, brine, tomato sauce or another filling medium.
Customers should provide product composition and thermal-processing information when confirming the final material and lacquer specification.
SPTE Tinplate Sheet is widely used for packaging fruits, vegetables, beans, sweet corn, mushrooms and other processed foods.
Material thickness and temper can be selected according to can size and mechanical requirements.
Internal coating selection should consider acidity, salt content and filling conditions.
Flat SPTE sheets provide a suitable substrate for lithographic metal printing.
A white base coating can be applied for high-opacity graphics, or selected areas can retain the natural metallic surface to create silver effects.
CMYK printing, spot colors, logos, food graphics, barcodes and multilingual packaging information can be produced according to customer artwork.
Printed SPTE can be used for food cans, biscuit tins, tea containers, coffee cans, promotional tins and other decorative metal packaging.
Sheet dimensions should be coordinated with artwork layout and downstream forming so that logos, text and graphics remain correctly positioned after cutting and fabrication.
Henan GDD can support customers requiring raw tinplate and customized printed tinplate through coordinated supply.
For food packaging, the internal coating system should be selected according to the intended packaged product.
Acidity, sulfur compounds, salt, oil content, sterilization temperature and expected storage conditions can all influence coating selection.
Customers should provide filling-product and process information before confirming the final internal lacquer.
Henan GDD can provide relevant third-party test documentation for applicable SPTE products according to the corresponding material and available report scope.
Test documentation against applicable FDA 21 CFR 175.300 requirements can be provided where the supplied product corresponds with the material covered by the relevant inspection report.
For accurate compliance communication, this documentation should be described as a third-party test or inspection report against the referenced requirements rather than as an FDA-issued certification.
Customers should provide their destination market, intended application and specific food-contact requirements before order confirmation so that available documentation can be reviewed.
One of the principal advantages of SPTE Tinplate Sheet is the ability to optimize material dimensions for downstream production.
Master coils can be leveled and cut into customized width and length combinations according to can-body, stamping or printing layouts.
Optimized dimensions can reduce trimming waste and improve sheet utilization during mass production.
Scroll cutting can be considered for selected round-can components where the cutting pattern allows improved material utilization.
Customers should provide the component dimensions and production layout so that the appropriate sheet dimensions and processing route can be evaluated.
SPTE Tinplate Sheet can be inspected for thickness, width, length, flatness, temper-related properties, tin coating, surface finish and edge quality.
Surface checks can identify scratches, rust, stains, dents, coating irregularities and other visible defects before shipment.
Material identification and production documentation support traceability between delivered sheets and their corresponding production batch.
MTC, dimensional inspection records, product photographs, packing photographs and loading photographs can be provided according to order requirements.
A Mill Test Certificate provides technical information used to verify and trace the supplied SPTE material.
Depending on the mill and applicable specification, the MTC can include product designation, sheet dimensions, temper or mechanical-property information, tin coating and production identification.
Customers requiring particular information on the MTC should confirm those requirements before order placement.
Independent third-party inspection can be arranged according to the inspection scope agreed in the purchase contract.
The inspection can include dimensions, quantity, surface condition, packing, product identification and document review.
Additional laboratory testing can be discussed where required by the customer or destination market.
Henan GDD can provide technical, commercial and customs documentation according to the destination country and agreed trade terms.
Available documentation can include MTC, relevant third-party test reports, Certificate of Origin, export license where required, commercial invoice, packing list, bill of lading and customs declaration documents.
Product photographs, packing photographs, loading photographs and agreed inspection records can also be supplied.
Destination-specific legalization, chamber endorsement and special customs documentation should be confirmed before order placement.
SPTE Tinplate Sheets require careful protection from moisture, scratches, edge deformation and movement during transportation.
Export packages can use rust-resistant paper, protective steel covers, corner and edge protection, wooden pallets and reinforced steel straps.
Package labels can identify material specification, dimensions, temper, tin coating, quantity, batch number, net weight and gross weight.
Additional protection can be arranged according to shipping route and customer handling requirements.
Henan GDD supplies SPTE Tinplate Sheet to food-can manufacturers, Easy Open End factories, metal-printing companies, closure manufacturers and international packaging distributors.
We support customized thickness, dimensions, temper, tin coating, surface finish, annealing route and cut-to-size processing.
Our product range can also include ETP Tinplate Coil, printed tinplate sheets, tinplate food cans, conventional ends and Easy Open Ends for integrated metal-packaging sourcing.
Technical specifications can be reviewed against customer drawings, existing MTCs or current supplier specifications before quotation.
MTC, relevant third-party test reports, Certificate of Origin, export license where required and complete commercial and shipping documentation can be provided according to contract requirements.
SPTE is a commonly used designation for electrolytic tinplate steel manufactured from cold-rolled low-carbon steel with an electrolytically deposited tin coating.
Both terms are commonly used for electrolytic tinplate products. The specific standard, thickness, temper, tin coating and surface finish should still be confirmed before ordering.
A common thickness range is approximately 0.13 mm to 0.50 mm, subject to temper, dimensions, production capability and order quantity.
Width and length can be customized according to metal printing, can-body and stamping requirements. Common dimensions are within approximately 500–1200 mm.
Yes. SPTE Tinplate can be cut to customized dimensions according to customer production layouts.
Common SR grades include T1, T2, T2.5, T3, T4 and T5, while DR7, DR8, DR8.5 and DR9 can be supplied for selected applications.
Single-reduced tinplate undergoes primary cold reduction followed by annealing and temper rolling to achieve the required dimensions and mechanical properties.
Double-reduced tinplate receives additional cold reduction after annealing and provides relatively high strength at a thin gauge.
Equal and differential tin coating specifications are available, including commonly requested values such as 2.8/2.8 and 5.6/5.6 g/m².
Differential coating means the two surfaces of the sheet receive different nominal tin coating weights.
Bright, Stone, Fine Stone, Silver and Matte surfaces can be supplied according to the required application.
BA means Batch Annealed or Box Annealed. It describes the annealing process and should not be confused with Bright surface finish.
Yes. Properly specified SPTE Tinplate Sheet is widely used for three-piece food-can bodies and selected can-end applications.
Yes. Suitable SPTE grades can be selected for EOE applications according to end diameter, thickness, temper and forming requirements.
Yes. It can be lacquered and lithographically printed with logos, food graphics, CMYK colors, spot colors and multilingual packaging information.
Yes. Customized metal printing and lacquered tinplate can be coordinated according to artwork and packaging requirements.
Relevant third-party test documentation against applicable FDA 21 CFR 175.300 requirements can be provided according to the corresponding product and report scope.
No. It should be described as a third-party test or inspection report against the referenced requirements rather than as an FDA-issued certification.
Yes. Mill Test Certificates can be provided according to the supplied material and production batch.
Yes. Certificate of Origin can be arranged according to destination-country and contract requirements.
Export license documentation can be provided where applicable, together with commercial invoice, packing list, bill of lading and other agreed customs documents.
Yes. Independent third-party inspection can be arranged according to the inspection scope agreed in the purchase contract.
Please provide thickness, width, length, temper, tin coating, surface finish, application, quantity, destination port and required documentation.
Looking for SPTE Tinplate Sheet for food cans, Easy Open Ends, printed packaging, metal closures or other can-making applications?
Send Henan GDD your required thickness, width, length, temper, tin coating, surface finish, application, quantity, destination port and required documentation.
If you are replacing an existing tinplate supplier, you can also provide your current MTC, specification sheet or material sample information for comparison.
Our team can support specification review, production, cut-to-size processing, inspection, export documentation, seaworthy packing and international shipment.
