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Help CenterTinplate Sheets for Battery Casing Production, High Conductivity, 0.25mm Thickness
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At Shandong Sino Steel Co., Ltd., we specialize in manufacturing high-quality Tinplate Sheets for Battery Casing Production with exceptional high conductivity and precise 0.25mm thickness. As a professional manufacturer established in 2018 and operating a 10,000-30,000m² factory with over 100 skilled employees, we are committed to delivering reliable solutions for the battery industry. Our tinplate sheets are engineered to meet the stringent requirements of modern battery casing applications, combining superior electrical performance with robust mechanical strength.
Our product is specifically designed for the production of lithium-ion battery casings, power battery shells, and energy storage battery housings. The high conductivity ensures minimal energy loss during operation, while the 0.25mm thickness provides an optimal balance between weight reduction and structural integrity. Below, we detail the key features, technical specifications, and advantages that make our tinplate sheets a preferred choice for global battery manufacturers.
Key Features & Benefits
- High Electrical Conductivity: Our tinplate sheets achieve ≥98% IACS (International Annealed Copper Standard) conductivity, ensuring efficient current flow and reduced heat generation in battery casings.
- Precise Thickness Control: 0.25mm ±0.01mm tolerance guarantees uniformity across the sheet, critical for consistent casing forming and sealing.
- Superior Corrosion Resistance: The electrolytic tin coating (2.8–11.2 g/m² per side) provides excellent protection against electrolyte corrosion, extending battery life.
- Excellent Formability: Available in temper grades T1 to T5, our sheets offer flexibility for deep drawing and stamping processes without cracking.
- Customizable Dimensions: Widths from 600mm to 1250mm, coil or sheet form, with optional slitting to meet specific production line requirements.
- Consistent Surface Quality: Bright or matte finish available, with low surface roughness (Ra ≤ 0.8μm) for optimal coating adhesion in battery assembly.
- Environmental Compliance: RoHS and REACH compliant, free from harmful substances like lead, cadmium, and hexavalent chromium.
Technical Specifications
| Parameter | Value |
| Thickness | 0.25 mm (0.24 – 0.26 mm tolerance) |
| Width | 600 – 1250 mm (customizable) |
| Coating Weight | 2.8 / 2.8 g/m² – 11.2 / 11.2 g/m² (each side) |
| Temper Grade | T1, T2, T3, T4, T5 (per ASTM A623) |
| Surface Finish | Bright (B) or Matte (M) – optional |
| Tensile Strength | ≥ 270 MPa (depending on temper grade) |
| Elongation | ≥ 20% (for T3 and above) |
| Electrical Conductivity | ≥ 98% IACS |
| Surface Roughness (Ra) | ≤ 0.8 μm |
Our tinplate sheets are manufactured using advanced cold rolling and electrolytic tinning lines, ensuring consistent quality across every batch. Each coil is subjected to rigorous testing including thickness measurement, tensile testing, coating weight analysis, and conductivity verification before shipment. This commitment to quality control has earned us a reputation among battery manufacturers in North America, Europe, Southeast Asia, and Africa.
Customer Benefits: By choosing our 0.25mm high-conductivity tinplate sheets, you can reduce production costs through improved material utilization, enhance battery performance with lower internal resistance, and ensure reliable sealing with precise thickness uniformity. Our flexible packaging options (plywood pallets, coils, or sheets) and fast delivery from Qingdao, Tianjin, or Shanghai ports make supply chain management seamless.
Why Choose Shandong Sino Steel?
As a certified manufacturer with ISO9000 and ISO19011:2000 certifications, we operate a 10,000–30,000 m² factory with an annual export value of US$2.5–5 million. Our team of 101–200 employees is dedicated to continuous improvement, and our overseas office ensures prompt after-sales support. We serve major markets worldwide, including North America, South America, Eastern Europe, Southeast Asia, Africa, the Middle East, and Europe. With a strong track record of supplying high-quality tinplate for battery casing production, we invite you to partner with us for your next project.
Contact us today for a quotation or sample. We are confident that our product will meet your expectations in terms of performance, consistency, and value. Let us help you power the future with reliable battery casing materials.
Frequently Asked Questions (FAQ)
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Q1: Can this tinplate be used for cylindrical battery casings as well as prismatic?
Yes, our 0.25mm tinplate sheets are suitable for both cylindrical and prismatic battery casing production. The material's excellent formability allows it to be deep drawn into various shapes. -
Q2: What is the minimum order quantity (MOQ)?
Typically, our MOQ is 5 metric tons. For trial orders, smaller quantities can be arranged upon request. -
Q3: Do you provide samples for testing?
Absolutely. We offer free samples (you pay shipping) for qualification purposes. Lead time for samples is 3–5 working days. -
Q4: How does the conductivity of this tinplate compare to pure copper?
While pure copper has 100% IACS, our tinplate achieves ≥98% IACS, which is excellent for battery casing applications where high conductivity is needed but structural strength is also important. -
Q5: Is the material compatible with laser welding?
Yes, our tinplate sheets are designed for laser welding processes common in battery assembly. The tin coating provides good weldability, and we can adjust the coating weight to optimize welding performance. -
Q6: What certifications do you hold for this product?
We are certified under ISO9000 and ISO19011:2000. Our products also comply with RoHS and REACH regulations. If you require additional certifications, please discuss during ordering. -
Q7: Can you supply the tinplate in coil form for automated production lines?
Yes, we supply both sheets and coils. Coils can be slit to your required width, with inner diameters of 508mm or 610mm, as per your line specifications. -
Q8: What is the typical lead time for bulk orders?
For standard specifications, lead time is 15–20 working days after order confirmation and deposit. Rush orders can be expedited for an additional fee.
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