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Help CenterTinplate Strips 0.15mm-0.30mm, 2.8/2.8 G/m² Tin Coating, CA Annealed, for Electronic Components
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As a leading manufacturer based in Qingdao, China, Shandong Sino Steel Co., Ltd. has been producing high-quality tinplate strips since 2018. With a factory spanning 10,000-30,000 square meters and an annual export value exceeding US$2.5 million, we specialize in precision-rolled tinplate strips for the electronic components industry. Our 0.15mm-0.30mm thickness range, combined with a uniform 2.8/2.8 g/m² tin coating and CA (continuous annealing) process, delivers exceptional formability, corrosion resistance, and solderability—critical for demanding electronic applications.
Our tinplate strips are manufactured under strict quality control, certified with ISO9000 and ISO19011:2000 management systems. This ensures consistent mechanical properties and surface quality batch after batch. Whether you need coils for EMI shielding, lead frames, battery contacts, or precision stamping parts, our product provides the reliability you expect from a global supplier serving markets across North America, Europe, Southeast Asia, and beyond.
Key Features & Technical Specifications
- Precision Thickness Control: ±0.01mm tolerance ensures consistent performance in high-speed stamping and forming processes.
- Uniform Tin Coating: 2.8/2.8 g/m² on both sides, providing excellent corrosion protection and solderability for electronic components.
- CA Annealed (Continuous Annealing): Offers superior ductility, flatness, and consistent grain structure, ideal for deep drawing and bending operations.
- Low Carbon Steel Substrate (MR Type): High purity steel with low inclusions, minimizing defects during stamping or etching.
- Surface Options: Available in bright or stone finish; both surfaces are free of oil stains, scratches, and pinholes.
- Customizable Width: Widths from 8mm to 1050mm can be slit to exact customer requirements, reducing waste and improving yield.
- Excellent Solderability: The tin coating enables fast, reliable soldering without additional flux in many applications.
- Environmentally Friendly: RoHS compliant; no harmful substances (lead, cadmium, etc.) are used in the production process.
| Parameter | Value |
|---|---|
| Thickness Range | 0.15 – 0.30 mm |
| Tolerance (Thickness) | ±0.01 mm |
| Tin Coating (each side) | 2.8 g/m² (total 5.6 g/m²) |
| Temper Designation | T3, T4, T5 (CA annealed) |
| Tensile Strength (T4) | 350 – 420 MPa |
| Elongation (T4) | ≥ 20% |
| Hardness (HR30T) | 57 – 63 (typical) |
| Coil Inner Diameter | 508 mm or 610 mm |
| Coil Weight | 3 – 5 tons (customizable) |
Benefits for Your Electronic Components
- Reliable Formability: The CA annealed microstructure allows sharp bends and deep draws without cracking, reducing scrap rates.
- Consistent Surface Quality: Our in-house slitting and surface inspection ensure that the strip is free of edge burrs, waves, and coating defects.
- Improved Soldering Performance: The 2.8/2.8 g/m² coating provides a stable wetting layer, enabling lead-free soldering with minimal voiding.
- Cost-Effective: By using our tinplate strips, you can replace more expensive copper or nickel alloys in many applications, achieving similar electrical performance at lower cost.
- Fast Delivery: With our own slitting and packing lines, standard lead times are 15-20 days after order confirmation. We ship from Qingdao, Tianjin, or Shanghai.
Trust & Quality Assurance
Shandong Sino Steel Co., Ltd. operates under ISO9000 and ISO19011:2000 certified quality management systems. Our laboratory performs chemical analysis, tensile testing, hardness measurement, and tin coating weight verification on every coil. We have an overseas office to facilitate communication and after-sales support, and our team of 101-200 employees ensures that every order is handled with professional care. With an annual export value of US$2.5-5 million, we have earned the trust of customers in over 30 countries, including North America, Europe, Southeast Asia, and Africa.
We understand that electronic components demand the highest precision. That is why we offer customized slitting services to match your exact width tolerances, and we can provide mill test certificates with every shipment. Our tinplate strips are packed in sea-worthy wooden pallets with anti-rust paper and steel straps to ensure they arrive in perfect condition.
Contact us today for a quotation or a free sample. Our technical team is ready to discuss your specific requirements for tinplate strips 0.15mm-0.30mm with CA annealed properties. We are confident that our product quality and service will exceed your expectations.
Frequently Asked Questions (FAQ)
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Q: What is the difference between CA annealed and BA annealed tinplate?
A: CA (Continuous Annealing) provides a more uniform grain structure and better flatness compared to BA (Batch Annealing). CA annealed strips are preferred for high-speed stamping and electronic components due to their consistent mechanical properties. -
Q: Can you supply tinplate strips with different coating weights?
A: Yes. While 2.8/2.8 g/m² is our standard for electronic components, we can also offer 1.1/1.1, 2.0/2.0, or custom coating weights upon request. Please specify your requirement. -
Q: What is the maximum width you can produce?
A: Our slitting line can process widths from 8 mm up to 1050 mm for thin tinplate strips. For very narrow strips (below 20 mm), we ensure tight width tolerances of ±0.1 mm. -
Q: Are these strips RoHS compliant?
A: Yes, our tinplate strips are manufactured with lead-free tin coating and meet RoHS requirements. We can provide a RoHS declaration upon request. -
Q: How do you ensure the tin coating is uniform across the strip?
A: We use a continuous electrolytic tinning line with precise current control. Each coil is tested for coating weight using X-ray fluorescence (XRF) at multiple points, and we provide a test certificate with the shipment. -
Q: What is the typical lead time for an order?
A: For standard sizes (0.15-0.30mm thick, 2.8/2.8 coating), our lead time is 15-20 working days. Custom sizes may require 20-25 days. We can also arrange express delivery for urgent orders. -
Q: Do you offer samples before bulk order?
A: Yes, we provide free samples for evaluation within 5-7 days. The buyer only needs to pay the shipping cost. Contact our sales team to request a sample of your desired specification. -
Q: Can you ship to FOB or CIF terms?
A: We can quote FOB Qingdao, Tianjin, or Shanghai, as well as CIF to any major port worldwide. Our experienced export team handles all documentation (bill of lading, certificate of origin, etc.).
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