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Help CenterSPCC Base MR Tinplate Steel Sheet Electrolytic 0.30mm Thickness Hardness T3 Standard Coil
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Product Overview
Shandong Sino Steel Co., Ltd. is a reliable manufacturer of high-quality tinplate products, and this SPCC Base MR Tinplate Steel Sheet Electrolytic 0.30mm Thickness Hardness T3 Standard Coil represents our commitment to precision and durability. This electrolytic tinplate is produced on a soft SPCC base with an MR-grade steel substrate, making it an excellent choice for applications that demand good forming characteristics and consistent tin coating. Its 0.30mm thickness and T3 hardness provide a balanced combination of strength and ductility, suitable for deep drawn parts, container bodies, and general metal packaging. With our complete in-house production and inspection system, we guarantee precise gauge control, clean surfaces, and stable mechanical properties across every coil.
Our customers value this product for its reliable solderability, corrosion resistance, and compatibility with high-speed stamping processes. It can be supplied as coil or cut-to-length sheets, with optional surface finishes such as bright, stone, or matt, and coating weights tailored to your specific needs. As a manufacturer, we also offer custom slitting widths, packaging options, and timely deliveries from major Chinese ports. Below you will find a detailed summary of technical specifications, production advantages, and practical answers to common buying questions.
Key Features and Benefits
- Consistent thickness: The 0.30mm gauge is maintained within tight tolerances across the full width of the coil, reducing material waste in automated stamping lines.
- Temper T3 performance: This medium hardness temper is optimized for moderate bending and drawing, providing good springback control while keeping edge cracking risk low.
- MR base steel: MR grade ensures lower residual elements and cleaner steel absorption, making it suitable for food contact packaging after proper coating and printing.
- Electrolytic tin coating: The uniform tin layer offers excellent corrosion resistance, lubrication, and solderability without affecting the base metal formability.
- SPCC base material: SPCC is a cold rolled steel grade that delivers a smooth, uniform surface, which improves printability and lacquer adhesion.
- Versatile application: Ideal for food cans, aerosol cans, crown caps, batteries, oil filters, and other stamped or drawn components.
- Customizable dimensions: We can slit coils into narrower widths, supply in sheet form, or adjust inner diameters according to customer equipment.
By choosing this tinplate product, manufacturers benefit from lower downtime, easier tooling adjustments, and consistent finished part quality. The combination of SPCC base and MR metallurgy also gives you a strong yet workable material that helps extend tool life and reduce pressing defects.
Technical Specifications
| Parameter | Specification |
|---|---|
| Base Steel Grade | SPCC |
| Steel Type | MR |
| Thickness | 0.30 mm |
| Temper Grade | T3 |
| Coating Method | Electrolytic tinning |
| Coating Weight | 2.8 – 11.2 g/m2 (optional) |
| Width Range | 600 – 1050 mm (customizable) |
| Surface Finish | Bright / Stone / Matt (optional) |
| Form of Supply | Coil, slit coil, or cut sheet |
| Inner Diameter | 508 mm, 610 mm or as required |
Please note that the values above are typical standard ranges. For specific contract requirements, our technical team can adjust the temper, coating weight, and dimensions according to your project needs. Sample coils can be prepared for process validation before full production.
Quality Assurance and Production Expertise
Shandong Sino Steel Co., Ltd. was established in 2018 as a professional manufacturer of flat steel products. Our factory spans 10,000–30,000 square meters and employs 101–200 people dedicated to production, inspection, and logistics. We have an annual export value of US$2.5–5 million and serve clients in more than a dozen global markets, including North America, South America, Eastern Europe, Southeast Asia, Africa, the Middle East, Western Europe, and South Asia. Our quality management system follows ISO9000 requirements, and our internal audit processes are guided by ISO19011:2000 to maintain continuous improvement. Every coil of tinplate is inspected for dimensional accuracy, surface quality, coating thickness, and hardness before shipment.
Located in Qingdao, Shandong, we enjoy convenient access to the ports of Qingdao, Tianjin, and Shanghai, which ensures fast and flexible export logistics. We understand the importance of stable supply for production lines, so we maintain reliable lead times and provide proper packing to prevent scratches, rust, and moisture damage during sea transportation. Whether you place a trial order or a bulk container shipment, you can count on responsive communication and after-sales support.
Frequently Asked Questions
- Can this tinplate be used for food packaging? Yes, when the tin coating meets the required coating weight and the printed or laminated food-grade barrier is applied, MR-base tinplate is commonly used for food and beverage containers. Please contact us to discuss your local regulatory requirements.
- What is the difference between T3 and other tempers? T3 is a medium temper that offers good formability and strength. Softer tempers like T1 or T2 are easier to form, while harder tempers like T4 or T5 provide higher stiffness. T3 is often chosen for deep drawing and moderate structural applications.
- Can you supply custom widths or cut sheets? Yes, we offer slitting to narrower widths and shearing to specified lengths. Please provide your exact print, flange, and blank size requirements in your inquiry.
- What coating weights are available? We can supply electrolytic tin coatings from 2.8 to 11.2 g/m2 per side, including equal or differential coatings. The appropriate coating weight should be selected based on corrosion resistance and solderability requirements.
- What is the packing method for export? Coils are wrapped with moisture-proof paper, polyethylene film, and steel strips, then secured with edge protectors. Sheets are palletized with interleaving paper or film. Custom packing is available upon request.
- How long does delivery take? For stock sizes, shipments can usually be arranged within 7-15 days after order confirmation. For custom dimensions and surface finishes, the typical lead time is about 2-4 weeks, subject to production capacity and seasonal logistics.
- Do you offer free samples? We can provide small samples for specification verification, but the customer is generally expected to cover sample and express shipping costs. The sample cost will be deducted from the first formal order under certain conditions.
- Is this tinplate available with different surface finishes? Yes, we can produce bright, stone, or matt finishes according to your application. Each finish offers different frictional and aesthetic characteristics for printing or forming processes.
In summary, the SPCC Base MR Tinplate Steel Sheet Electrolytic 0.30mm Thickness Hardness T3 Standard Coil from Shandong Sino Steel is a versatile and dependable packaging material that meets the demanding needs of modern converters and manufacturers. We invite you to request a quotation or send your technical specifications for a detailed recommendation. Our experienced team is ready to support your projects with competitive pricing, stable quality, and global logistics.
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