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Help CenterElectrolytic MR Tinplate Steel Sheet SPCC Grade 0.22mm Thickness Tin Coating 11.2g/m2
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Supplier Introduction: As a specialized manufacturer from Qingdao, China, Shandong Sino Steel Co., Ltd. is proud to present this electrolytic MR tinplate steel sheet in SPCC grade. The material has a carefully controlled thickness of 0.22 mm and an electrolytic tin coating weight of 11.2 g/m2. This precise combination makes it an outstanding choice for the production of food cans, beverage ends, closures, and many other tinplate packaging products. We produce this tinplate with a focus on uniform coating, excellent flatness, and reliable mechanical performance. With our factory-based production and direct export capability, we offer both quality and convenience to industrial buyers worldwide.
Our electrolytic tinplate is engineered to perform under the demanding conditions of modern canmaking lines. The SPCC base metal provides good cold forming characteristics, while the MR metallurgical grade ensures a clean steel structure suitable for bright packaging applications. The electrolytic tin coating bonds tightly to the steel surface, protecting the base metal against corrosion without sacrificing formability. Whether you are making drawn food cans, deep-drawn aerosol containers, or decorative closure shells, this tinplate gives you a reliable, repeatable starting material. We are committed to supplying products that meet the technical and economic expectations of B2B customers.
Product Overview and Key Specifications
The product is available in coil and sheet form according to your production needs. We can provide a range of widths, lengths, and packing methods, and our technical team can help select the appropriate temper, finish, and passivation type. The table below highlights the primary technical parameters of the standard product.
| Parameter | Value | Remarks |
| Base Material | SPCC cold-rolled steel | Standard tinplate substrate |
| Grade / Temper | MR grade | Low metalloid for packaging |
| Thickness | 0.22 mm | Custom tolerances available |
| Tin Coating Weight | 11.2 g/m2 | Total on both sides, electrolytic |
| Coating Method | Electrolytic tinning | Uniform layer deposition |
| Surface Finish | Bright / stone finish | Optional, upon request |
| Width / Length | Custom | Coil or sheet cut |
| Coil Inner Diameter | 508 mm / 610 mm | Available upon request |
| Packing | Export standard packing | Anti-rust and moisture-proof |
| Main Applications | Food cans, beverage containers, closures, aerosol cans | General packaging |
The above parameters represent our standard offer, but we understand that different canmaking operations require different specifications. Therefore, dimensional customization and packing customization are handled individually in close communication with each customer.
Key Features and Benefits
- Uniform tin layer: The electrolytic process gives a dense, uniform tin coating of 11.2 g/m2, reducing the risk of pin-holes and ensuring stable behavior during acid, alkali, or sulfur-bearing product contact.
- Excellent adhesion: The tin coating adheres tightly to the SPCC base steel, allowing deep drawing, punching, and flanging without flaking or peeling.
- Outstanding corrosion resistance: Tin protects the steel surface from atmospheric corrosion and product-related corrosion while maintaining the bright appearance needed for attractive printed cans.
- Good solderability and weldability: The product is designed for use in soldered and welded can bodies, providing reliable seams at high manufacturing speeds.
- Superior formability: SPCC is known for its balanced strength and ductility. It bends, stamps, and draws consistently, reducing tool wear and downtime.
- Consistent thickness control: The 0.22 mm sheet is produced to tight thickness tolerances, giving precise edge profile and uniform blank dimensions for downstream processing.
- Beautiful printing surface: The clean and chemically treated surface easily accepts primers, lacquers, and decorative inks, enabling vibrant graphic reproduction.
- Flexible supply options: Available as coil or cut sheet, with custom widths, coil inner diameters, edge protection options, and marking to meet your line requirements.
Production and Quality Control
Our factory follows a strict quality management plan at every stage. Hot-rolled and cold-rolled process controls ensure that the SPCC base material has clean edges and uniform mechanical properties. We perform inline surface inspection and sample-based coating weight tests. Each coil is measured for thickness profile, flatness, and hardness before releasing to the packaging line. These controls allow us to provide tinplate with stable stacking properties and high processing yield. We also maintain detailed lot traceability, so every shipment can be traced back to its production records if needed.
In addition, our process is aligned with ISO9000 and ISO19011:2000 quality management frameworks. The team continuously monitors key indicators such as defective rate and customer complaint feedback. This management system helps us identify improvement opportunities and respond quickly to changing market requirements.
Packing, Shipping and Logistics
Protective packing is critical for tinplate, because surface damage can lead to rejection in the customer's stamping operation. We use moisture-proof paper, rust inhibitor, steel edge protectors, and strong steel strapping for every coil. For cut sheet packing, we use pallets or wooden crates with foam interlayers where necessary. The outer package is marked with the batch number, thickness, coating weight, and dimensions for easy identification and traceability. We normally ship from Qingdao, Tianjin, or Shanghai, all of which are large ports with frequent sailing schedules to major markets worldwide. This gives our clients flexibility in choosing freight routes and reduces overall transit time.
Why Choose Shandong Sino Steel Co., Ltd.?
Since our establishment in 2018, we have grown steadily in the international steel market. Our factory covers about 10,000 to 30,000 square meters and employs 101 to 200 people. The company's annual export value reaches US$2.5 million to US$5 million, serving markets such as North America, South America, Eastern Europe, Southeast Asia, Africa, the Middle East, East Asia, Western Europe, Northern Europe, Southern Europe, and South Asia. We are a manufacturer, not just a trading company, so we can control product quality and delivery schedules directly. Our experienced team helps you select the right product specification and follows your order from production to loading. We invite you to contact us to discuss your tinplate requirements.
Frequently Asked Questions
1. Is this MR tinplate suitable for food packaging?
MR tinplate is commonly used for canned food, beverages, and aerosol products. However, because food contact regulations vary by country and application, we recommend checking the final product's compliance in your target market. Our technical department can share relevant material information to support your evaluation.
2. Can we order in coil form or as cut sheets?
Yes, both supply forms are available. If you need cut sheets, we can slit and cut to your required width and length. Please provide your detailed specification so we can confirm availability and packing methods.
3. What is the minimum order quantity (MOQ)?
The MOQ depends on thickness, width, and packing method. For standard 0.22 mm SPCC MR tinplate, a typical trial order can be arranged. Please contact our sales team to discuss your required MOQ.
4. Can you customize the coating weight or thickness?
While the standard product has a tin coating of 11.2 g/m2 and a thickness of 0.22 mm, we can offer custom sizes, certain coating weights, and different tempers upon request. The feasibility depends on production scheduling and material availability.
5. Do you provide free samples?
Sample availability depends on current stock. You can contact us with your required size and quantity; after confirmation, we can prepare a sample for express delivery. A freight charge may apply for some destinations.
6. How do you make sure the quality is consistent?
We use a lot-based production record and sample the material according to our quality control procedures. Coating weight, thickness, hardness, and surface appearance are tested regularly. Our management system is based on ISO9000 and ISO19011:2000, which gives us a defined framework for corrective actions.
7. What are the shipping ports for export?
Our main shipping ports are Qingdao, Tianjin, and Shanghai. Depending on your location and required delivery date, we recommend the most suitable port and shipping method.
8. Can you provide surface finishes other than bright finish?
Yes. Stone finish or other treated surfaces can be supplied upon request. Please let us know if you need a specific finish for printing or lacquering performance.
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