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Help CenterDouble Cold Reduced (DR) Tinplate Coil 0.15mm-0.35mm Thickness 710mm-1250mm Width for Deep Drawing
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Shandong Sino Steel Co., Ltd., a reliable manufacturer established in 2018 with a factory spanning 10,000-30,000 square meters and a dedicated team of 101-200 employees, proudly presents our premium Double Cold Reduced (DR) Tinplate Coil. Designed specifically for deep drawing applications, this product combines exceptional formability with high strength, thanks to the double cold reduction process. With thicknesses ranging from 0.15mm to 0.35mm and widths from 710mm to 1250mm, our DR tinplate coils offer precise dimensional control and consistent quality, making them the ideal choice for demanding industries such as food packaging, battery manufacturing, and automotive parts. Backed by ISO9000 and ISO19011:2000 certifications, we ensure every coil meets rigorous international standards.
Key Features & Technical Specifications
- Superior Deep Drawing Performance: The double cold reduction (DR) process refines the grain structure, providing excellent elongation and r-value (plastic strain ratio) for deep drawing without cracking.
- Precise Thickness Control: Manufactured with advanced rolling mills, our tinplate achieves thickness tolerances as tight as ±5% of nominal, ensuring consistent material flow in high-speed stamping lines.
- Wide Dimensional Range: Available in thickness 0.15mm-0.35mm and width 710mm-1250mm, with custom sizes upon request.
- High Strength & Hardness: DR tinplate offers higher yield strength (typically 350-450 MPa) compared to single-reduced tinplate, allowing for thinner gauge material without sacrificing structural integrity.
- Excellent Surface Quality: Bright or matte finish options, with uniform tin coating (0.5-11.2 g/m² per side) to resist corrosion and enable soldering.
- Consistent Mechanical Properties: Each coil is tested for hardness (HR30T), yield point, tensile strength, and elongation to guarantee repeatable performance.
| Parameter | Value |
|---|---|
| Thickness Range | 0.15 – 0.35 mm |
| Width Range | 710 – 1250 mm |
| Temper (Hardness) | DR (Double Cold Reduced), typically T4 or T5 equivalent |
| Yield Strength (Typical) | 350 – 450 MPa |
| Tensile Strength | 450 – 550 MPa |
| Elongation (A50) | ≥ 10% |
| Tin Coating (Each Side) | 0.5 – 11.2 g/m² (customizable) |
| Coil Inner Diameter | 508 mm (standard), 610 mm optional |
Why Choose Our DR Tinplate for Deep Drawing? The double cold reduction process significantly improves the material's ability to flow into complex die shapes, reducing the risk of wrinkles and fractures. This translates into lower scrap rates, longer tool life, and higher productivity for your production line. Additionally, the precise gauge control minimizes material waste, offering cost savings on every coil.
Trust & Credibility
With an annual export value of US$2.5 million to US$5 million, Shandong Sino Steel serves markets across North America, South America, Europe, Southeast Asia, Africa, the Middle East, and Asia. Our overseas office ensures prompt communication and after-sales support. We ship from major Chinese ports—Qingdao, Tianjin, and Shanghai—ensuring efficient logistics. All our products are manufactured under ISO9000 and ISO19011:2000 quality management systems, guaranteeing traceability and consistency. Our experienced team of 101-200 professionals is dedicated to delivering the highest quality DR tinplate coils tailored to your deep drawing requirements.
Contact us today to request a quote or sample. Let our expertise in double cold reduced tinplate help you achieve superior deep drawing results with reliable, cost-effective material.
Frequently Asked Questions
Q1: What makes Double Cold Reduced (DR) tinplate different from single-reduced (SR) tinplate?
A: DR tinplate undergoes a second cold rolling pass, which increases its hardness and yield strength while maintaining good ductility for deep drawing. It is ideal for applications requiring thinner gauge material with higher strength, such as can ends and battery cases.
Q2: Can you supply custom thicknesses within the 0.15-0.35mm range?
A: Yes, we can produce custom thicknesses within this range subject to minimum order quantity. Please discuss your specific requirements with our sales team.
Q3: What is the typical lead time for DR tinplate coils?
A: Lead time is typically 15-30 days after order confirmation, depending on the quantity and specification. For urgent orders, express production can be arranged.
Q4: Do you provide material certifications or test reports?
A: Absolutely. Each coil comes with a mill test certificate (MTC) including chemical composition, mechanical properties, and coating weight. We also provide third-party inspection reports upon request.
Q5: Is this tinplate suitable for food-grade applications?
A: Yes, our DR tinplate is manufactured with food-grade tin coating and complies with international food contact standards. We can provide relevant documentation if needed.
Q6: What packaging options are available for export?
A: Coils are packed with anti-rust paper, plastic film, and steel strapping, then wrapped in wooden pallets or crates for sea freight. Custom packaging is available upon request.
Q7: How do you ensure dimensional accuracy across the entire coil?
A: We use automated thickness gauges and width sensors during production, plus final inspection on every coil. Our quality control system is ISO-certified, ensuring consistent dimensions.
Q8: Can I get a sample coil before placing a bulk order?
A: Yes, samples are available. Please contact us to arrange a sample coil (typically 1-2 tons) for trial production. The sample cost is negotiable and can be deducted from your first order.
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