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Help CenterTinplate Coils With Mill Test Report, 1-Year Warranty, Consistent Thickness Tolerance ±0.01mm
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Shandong Sino New Material Co., Ltd. is proud to offer premium Tinplate Coils backed by a Mill Test Report and a comprehensive 1-Year Warranty. As a manufacturer established in 2018 with a 10,000-30,000 sqm factory and ISO9000 / ISO19011:2000 certified quality management, we ensure every coil meets the most stringent international standards. Our consistent thickness tolerance of ±0.01mm guarantees uniform performance for your packaging, canning, or electronics applications.
Each tinplate coil is produced using advanced cold-rolling and annealing processes, with precise control over tin coating weight and temper. The Mill Test Report provides full traceability of chemical composition, mechanical properties, and coating mass, giving you confidence in material consistency. With an annual export value of US$2.5–5 million and shipping capabilities from Qingdao, Tianjin, and Shanghai, we serve global markets including North America, South America, Europe, Southeast Asia, and Africa.
| Parameter | Value |
| Thickness Tolerance | ±0.01mm (consistent across coil) |
| Width Tolerance | +0 / -0.5mm |
| Temper Range | T1–T5 (soft to hard) |
| Tin Coating (each side) | 2.8/2.8 – 11.2/11.2 g/m² |
| Coil Weight | 3–15 tons (customizable) |
Key Features & Benefits
- ±0.01mm Thickness Tolerance – Ensures uniform drawability and stacking for can making, oil painting, and electronic parts.
- Mill Test Report Included – Complete chemical analysis (C, Si, Mn, P, S) and mechanical test results (yield strength, elongation, hardness).
- 1-Year Warranty – Covers manufacturing defects such as delamination, uneven coating, or dimensional deviation beyond tolerance.
- Versatile Surface Finishes – Bright, matte, or stone finish available for different printing and lacquering requirements.
- Multiple Temper Grades – T1 for deep drawing, T5 for high rigidity, customizable to your forming process.
- Anti-Rust Oil Application – Standard oiling (e.g., DOS oil) protects coils during transport and storage, with optional oil-free surface.
- Flexible Coil Dimensions – ID 508mm/610mm, OD up to 1500mm, and width up to 1250mm to fit your slitting or stamping line.
Technical Specifications (Detailed)
Our tinplate coils comply with international standards such as ASTM A623, JIS G3303, or GB/T 2520, available upon request. The base steel is low-carbon aluminum-killed (LC AK) or continuously cast, ensuring excellent formability. The tin coating is applied via electroplating, with uniform thickness controlled by an online gauge. The annealing process can be batch or continuous (BA/CA) depending on temper requirements.
Quality Assurance
Every coil is inspected for pinholes, coating weight, surface defects, and dimensional accuracy. Our ISO9000 and ISO19011:2000 certified procedures include regular audits and third-party testing options. The Mill Test Report is provided for each coil, with detailed data traceable to the production batch. We also offer a 1-Year Warranty against manufacturing faults, giving you peace of mind for your supply chain.
Why Choose Shandong Sino New Material Co., Ltd.?
With a factory spanning 10,000–30,000 sqm and a professional team of 101–200 employees, we have the capacity to produce over 50,000 tons of tinplate annually. Our overseas office ensures responsive after-sales support. We have successfully exported to more than 15 countries across North America, South America, Eastern Europe, Southeast Asia, Africa, the Middle East, and Asia. Our annual export value of US$2.5–5 million reflects global trust. Shipping from major ports (Qingdao, Tianjin, Shanghai) ensures fast delivery. We invite you to request a free sample to verify the consistent thickness tolerance and workmanship. Contact us today for a quotation or technical consultation!
Frequently Asked Questions
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Q: What is the typical lead time for tinplate coils?
A: For standard sizes (0.2–0.4mm thickness, 800–1000mm width), lead time is 15–20 days after deposit. For customized sizes, please allow 25–30 days. -
Q: Can you provide a sample before bulk order?
A: Yes, we offer free samples (shipping cost borne by buyer) for quality evaluation. The sample will be cut from an actual production coil with the Mill Test Report. -
Q: How do you guarantee the thickness tolerance of ±0.01mm?
A: We use a high-precision automatic gauge control (AGC) system on our cold rolling mill, and each coil is measured at multiple points using a laser micrometer. The Mill Test Report includes the actual thickness profile. -
Q: What is the warranty coverage?
A: The 1-year warranty covers defects in material and workmanship, including delamination, uneven tin coating, off-specification thickness, and mechanical failures not caused by misuse. Warranty claims are processed within 10 working days. -
Q: Are these coils suitable for food can manufacturing?
A: Yes, our tinplate coils can be produced with low lead and low tin leaching properties, complying with FDA and EU food contact regulations. Please specify the end-use when ordering. -
Q: Do you offer custom widths or coil weights?
A: Absolutely. We can slit coils to smaller widths (minimum 200mm) and adjust coil weight (3–15 tons) as per your slitting or stamping line requirements. -
Q: What packaging is used for export?
A: Coils are secured with steel strapping, wrapped in moisture-proof paper, and protected with edge protectors. For sea freight, we add a wooden crate or pallet (optional). -
Q: How do you handle after-sales service?
A: Our overseas office provides technical support via email/phone with 24-hour response time. We also accept return of defective products per the warranty terms.
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