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Help CenterTinplate Discs 0.25mm, 100mm Diameter, T5 Temper, Flatness Tolerance ±0.02mm
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Shandong Sino Steel Co., Ltd., a professional manufacturer established in 2018, introduces our high-precision Tinplate Discs with dimensions of 0.25mm thickness and 100mm diameter, featuring T5 temper and a tight flatness tolerance of ±0.02mm. These discs are engineered for demanding applications where consistent thickness and absolute flatness are critical. As a leading supplier with an overseas office and a factory spanning 10,000–30,000 square meters, we ensure every disc meets rigorous quality standards, backed by ISO9000 and ISO19011:2000 certifications. Our tinplate discs are widely used in food packaging, automotive gaskets, cosmetic caps, and industrial sealing components, offering excellent formability and corrosion resistance.
Product Features & Technical Specifications
- Precise Thickness Control: Each disc is manufactured with a strict tolerance of ±0.01mm on the 0.25mm thickness, ensuring uniform performance in stamping and forming processes.
- Superior Flatness: The flatness tolerance of ±0.02mm guarantees that the discs lie perfectly flat, reducing waste and improving production efficiency in automated assembly lines.
- Optimal Temper T5: T5 temper provides a balanced hardness and ductility, making the discs suitable for deep drawing, bending, and punching without cracking or edge deformation.
- Corrosion-Resistant Tin Coating: The tin coating offers excellent protection against rust and oxidation, extending the shelf life of packaged products and maintaining product purity.
- Consistent Diameter: Diameter tolerance of 100mm ±0.1mm ensures compatibility with standard dies and molds.
- Customizable Options: Available in various surface finishes (bright, matte) and edge treatments (smooth, deburred) upon request.
Key Technical Parameters (Typical Values):
| Parameter | Value | Tolerance |
|---|---|---|
| Thickness | 0.25 mm | ±0.01 mm |
| Diameter | 100 mm | ±0.1 mm |
| Flatness | ≤0.02 mm | ±0.02 mm |
| Temper | T5 | HR30T 60–70 (typical) |
| Material | Tinplate (MR type) | Tin coating 2.8/2.8 g/m² |
| Surface Finish | Bright (standard) | Matte optional |
Advantages for Your Business
- Reduced Production Downtime: The consistent flatness and thickness minimize adjustments on stamping presses, increasing throughput by up to 15%.
- Enhanced Product Quality: T5 temper ensures the discs hold their shape after forming, resulting in leak-proof seals and aesthetically pleasing end products.
- Cost-Effective: Direct from our factory — no middlemen, competitive pricing, and flexible MOQ to suit both small and large orders.
- Global Logistics: Shipped from major ports (Qingdao, Tianjin, Shanghai) with reliable freight forwarders; delivery to North America, Europe, Southeast Asia, Africa, and the Middle East is routine.
- Technical Support: Our experienced R&D team (part of 101–200 employees) can assist with custom specifications, sample testing, and application advice.
With an annual export value of US$2.5 million – US$5 million and a presence in over 15 countries across North America, South America, Eastern Europe, Southeast Asia, Africa, the Middle East, East Asia, and Western Europe, Shandong Sino Steel has built a reputation for reliability. Our factory (10,000–30,000 m²) is equipped with modern slitting and blanking lines, and we hold ISO9000 and ISO19011:2000 certifications, ensuring every batch of tinplate discs meets international quality standards. We invite you to contact us for a quote or to request free samples — experience the precision that makes a difference in your production line.
Frequently Asked Questions (FAQ)
Q1: What is the minimum order quantity (MOQ) for these tinplate discs?
A: MOQ is flexible and depends on the specification and surface finish. Typically, for standard 0.25mm thickness and 100mm diameter, we can start from 1,000 pieces. For larger quantities, we offer tiered pricing. Please contact us with your specific volume.
Q2: Are these discs food-grade suitable for direct contact with food?
A: Yes, our tinplate discs are made from food-grade tinplate (MR type) with a tin coating that complies with international food contact regulations. We can provide relevant certificates upon request for your specific market.
Q3: Can you supply discs with a different thickness or diameter?
A: Absolutely. While 0.25mm and 100mm are standard, we offer custom sizes from 0.15mm to 0.50mm thickness and diameters from 20mm to 300mm. Custom tooling may be required for non-standard sizes; lead time will be discussed.
Q4: What packaging options are available to prevent damage during shipping?
A: We pack discs in interleaved paper, vacuum-sealed bags, or custom trays depending on the order size. For export, we use sturdy cartons or wooden pallets wrapped with stretch film. Special packaging (e.g., anti-corrosion VCI paper) is available upon request.
Q5: How long is the lead time for a typical order?
A: For standard specifications (0.25mm, 100mm), production takes 7–10 working days after order confirmation. For custom sizes or larger quantities (over 100,000 pieces), please allow 15–20 working days. Rush orders can be accommodated with prior arrangement.
Q6: What is the tolerance for the disc’s edge condition? Are there burrs?
A: We control edge burrs to less than 0.05mm as standard. For applications requiring absolutely burr-free edges, we offer deburring or edge-rolling as an added service. Please specify your requirement during ordering.
Q7: Do you provide samples before bulk purchase? How can I get them?
A: Yes, free samples (up to 10 pieces) are available for evaluation. You only need to cover the shipping cost. Simply send us an inquiry with your delivery address and application details, and we will arrange sample dispatch within 3 days.
Q8: Can you issue a certificate of analysis (COA) with each shipment?
A: Yes, every shipment includes a COA documenting thickness, diameter, flatness, hardness, and tin coating weight. We can also provide third-party inspection reports from SGS or Bureau Veritas at an additional cost.
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