SPTE Tinplate Coils With 5.6/5.6g/m² Coating JIS G3303 Standard
Product Spotlights
Shandong Sino Steel Co., Ltd. is proud to offer our high-quality SPTE Tinplate Coils with 5.6/5.6 g/m² Coating, manufactured in strict compliance with JIS G3303 Standard. As a reliable manufacturer established in 2018 with a factory spanning 10,000–30,000 square meters and over 100 skilled employees, we have built a strong reputation for delivering consistent, corrosion-resistant tinplate solutions for the global packaging industry. Our electrolytic tinplate coils are engineered to meet the rigorous demands of food canning, beverage containers, and industrial closures, ensuring product integrity and extended shelf life.
Each coil features a precise tin coating weight of 5.6 g/m² on both sides, providing excellent solderability, corrosion resistance, and a bright, uniform surface. The coils are produced using advanced cold-rolling and electrolytic tinning lines, with strict quality control measures in place. Below we detail the key specifications and benefits that make our SPTE tinplate coils a preferred choice for buyers worldwide.
Key Product Specifications
| Material | SPTE (MR type) – Low carbon steel |
| Tin Coating | 5.6/5.6 g/m² (equal coating both sides) |
| Standard | JIS G3303 |
| Thickness Range | 0.18 – 0.50 mm (customizable) |
| Width Range | 600 – 1050 mm (customizable) |
| Surface Finish | Bright, Stone, or Matte (optional) |
| Coil Inner Diameter | 508 mm or 420 mm (available upon request) |
| Coil Weight | 3 – 8 tons per coil (customizable) |
Product Features & Benefits
- Precise Tin Coating Weight – The 5.6/5.6 g/m² coating ensures uniform tin distribution, providing excellent corrosion resistance and solderability for hermetic sealing.
- JIS G3303 Compliance – Manufactured according to Japanese Industrial Standards, guaranteeing dimensional accuracy, mechanical properties, and surface quality.
- Superior Surface Finish – Available in bright, stone, or matte finishes to suit different printing and lacquering requirements, enhancing brand presentation.
- Excellent Formability – Low carbon steel substrate with controlled temper allows deep drawing and easy forming without cracking, ideal for can ends, bodies, and easy-open ends.
- Consistent Coil Dimensions – Tight thickness tolerances (+/- 0.01 mm) and stable width ensure smooth feeding in high-speed can-making lines.
- Customizable Packaging – Each coil is wrapped with anti-rust paper, plastic film, and steel bands for safe sea transportation, with options for wooden pallets or crates.
- Wide Application Range – Suitable for food cans (e.g., vegetables, fruits, fish), beverage cans, aerosol containers, paint cans, and industrial packaging.
Technical Advantages
Our SPTE tinplate coils are produced using advanced electrolytic tinning technology that ensures a tight bond between the steel substrate and tin layer. The result is a product with excellent ductility and high resistance to sulfur staining, which is critical for food-grade applications. We also perform 100% visual inspection and random sampling for tin coating weight to verify consistency.
For customers requiring lacquered or printed tinplate, our coils can be supplied as a base material ready for further processing. The bright surface finish provides an ideal substrate for high-quality printing, while the stone finish is preferred for matte lacquer applications. All coils are free from edge burrs and oil contamination, ensuring smooth feeding in automatic lines.
Why Choose Shandong Sino Steel?
As a manufacturer with an ISO9000 and ISO19011:2000 certified quality management system, we have been serving the global market since 2018. Our annual export value of US$2.5–5 million reflects the trust our customers place in us. We ship from major ports like Qingdao, Tianjin, and Shanghai, and our products are regularly exported to North America, South America, Eastern Europe, Southeast Asia, Africa, the Middle East, and Western Europe.
With a dedicated team of 101–200 employees and an overseas office for prompt communication, we offer flexible order quantities, short lead times, and after-sales support. Whether you need standard sizes or customized dimensions, we are committed to delivering tinplate coils that meet your exact specifications.
Contact us today to request a free sample, obtain a quotation, or discuss your specific requirements. Let Shandong Sino Steel be your reliable partner in the tinplate market.
Frequently Asked Questions (FAQ)
-
Q: What does SPTE stand for?
A: SPTE stands for Steel Plate Tin Electrolytic, which is a grade designation for electrolytic tinplate commonly used in packaging. It indicates a low carbon steel base with a controlled tin coating applied by electroplating. -
Q: Can I get a different coating weight, such as 2.8/2.8 or 8.4/8.4 g/m²?
A: Yes, we offer a range of coating weights including 2.8/2.8, 5.6/5.6, 8.4/8.4, and even differential coatings (e.g., 5.6/2.8). Please contact our sales team to discuss your specific needs. -
Q: Are these coils suitable for food-grade applications?
A: Absolutely. Our SPTE tinplate coils are produced using food-safe materials and processes. The tin coating is non-toxic and complies with international food contact regulations. We recommend using appropriate lacquers for acidic foods. -
Q: What is the typical lead time for orders?
A: For standard sizes, lead time is approximately 15–20 days after order confirmation. Customized orders may take 25–30 days depending on the complexity. We can accommodate urgent requests with advance notice. -
Q: Do you provide coil slitting or cut-to-length services?
A: Yes, we offer slitting to narrower widths and cut-to-length sheets (sheets) as value-added services. Please inquire for specifications and pricing. -
Q: What is the minimum order quantity (MOQ)?
A: The MOQ is typically 20 tons per size, but we may accept smaller trial orders for first-time customers. Contact us for flexible terms. -
Q: How do you ensure the quality of the tinplate coils?
A: We have a rigorous quality control process including incoming material inspection, in-process monitoring, and final testing. Each coil is checked for thickness, width, coating weight, and surface defects. We also provide a mill test certificate with each shipment. -
Q: Can you provide samples before placing a bulk order?
A: Yes, free samples of up to 1 kg are available upon request. You only need to cover the shipping cost. This allows you to test the material in your production line.
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