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Help CenterCold Rolled Carbon Steel Coil DC04 0.5-2.0mm for Automotive Body Panels Deep Drawing Parts With Low Carbon Content
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As a manufacturer from Hemaokang Steel (Shandong) Co., Ltd., we are pleased to offer our Cold Rolled Carbon Steel Coil DC04 with thickness ranging from 0.5 to 2.0 mm, specifically developed for automotive body panels and deep drawing components. Our steel combines a refined surface finish, tight thickness tolerances, and a low carbon content that ensures excellent formability and weldability. With our modern production facility in Liaocheng, Shandong, and annual export value between US$50-100 million, we are committed to supplying high-quality coils to global customers who demand reliable material for demanding stamping operations.
DC04 is a low carbon cold rolled steel grade widely recognized in the automotive industry for deep drawing applications. This product is engineered to deliver consistent mechanical properties, allowing manufacturers to produce complex body panels, fenders, doors, and structural reinforcements without surface defects or cracking. The coil is produced through a precise cold rolling process which enhances dimensional accuracy and provides a smooth, clean surface ideal for subsequent coating and painting.
Key Features & Benefits
- Excellent Deep Drawing Performance: Low carbon content (typically up to 0.08%) provides high ductility and elongation, making DC04 capable of severe forming operations such as deep drawing, stretching, and flanging without tearing.
- Uniform Mechanical Properties: Carefully controlled annealing and skin-pass processes ensure consistent hardness and tensile strength across the entire coil width and length, which results in stable press performance and fewer part rejects.
- Superior Surface Quality: Our coil features a clean, smooth, and defect-free surface, free from scale, rust, oil stains, and scratches. The surface is available dry or lightly oiled to protect against corrosion during transit and storage.
- Tight Dimensional Tolerances: Thickness tolerance meets EN 10130 / EN 10131 standards, allowing customers to use high-speed automated stamping lines with confidence. Width and edge trimming options are available upon request.
- Consistent Coil Weight and Packaging: Coils are offered in standard weights from 3 to 10 tons, packaged with moisture-proof paper, steel pallets, and edge protection to ensure safe handling and transport.
Technical Specifications
| Property | Typical Value | Notes |
|---|---|---|
| Grade | DC04 | Per EN 10130 |
| Thickness | 0.5 – 2.0 mm | Customized tolerance available |
| Carbon Content | ≤ 0.08% | Low carbon for maximum formability |
| Yield Strength | 210 – 250 MPa (typical) | Depending on annealing |
| Tensile Strength | 270 – 350 MPa | Ranges may vary with coil position |
| Elongation (A80) | ≥ 30% | Ensures deep drawing capability |
| Surface Treatment | Dry or oiled | Choice depends on application |
| Inner Diameter | 508 mm / 610 mm | Other IDs available on request |
Note: The above values are typical and can be fine-tuned during manufacturing to meet specific customer requirements. Custom processing such as slitting, cut-to-length, and blanking is available upon request.
Application in Automotive Body Panels
Deep drawing parts require steel with high plastic deformation capacity and excellent surface consistency. DC04 from Hemaokang is used extensively for:
- Automobile door outer panels and inner panels
- Engine hood, trunk lid, and roof panels
- Wheel arch covers and floor pans
- Bumper brackets and structural reinforcements
- Various stamped components for electric vehicles and commercial vehicles
Thanks to its low carbon content and controlled inclusion distribution, DC04 offers stable pressing behavior and reduces tool wear, resulting in lower production costs and higher output efficiency for automotive stamping plants.
Quality Assurance
We operate under an ISO9001 quality management system, ensuring that every coil is inspected at multiple stages: from hot rolling input, cold rolling process, annealing, temper rolling, and final surface inspection. We provide mill test certificates and can arrange third-party inspection (e.g., SGS, BV) at the customer’s request. Our location in Qingdao port enables efficient export to global markets, allowing fast and safe delivery to customers in North America, Europe, Southeast Asia, Africa, Oceania, and beyond.
Why Choose Hemaokang Steel?
- Professional Team: 51-100 experienced employees dedicated to production, quality control, and logistics coordination.
- Global Export Experience: Annual export value of US$50-100 million with a strong supply record to diverse world markets.
- Customized Service: We offer flexible width, thickness tolerances, coil weight, packaging, and marking options to adapt to your production needs.
- Prompt Delivery: Shipment from Qingdao port with competitive lead times and reliable container or bulk vessel transportation.
- Customer Support: A dedicated sales and technical team assists with material selection, trial orders, and after-sales service.
Conclusion
Our DC04 cold rolled carbon steel coil is the proven choice for automotive deep drawing applications, delivering the perfect balance of strength, formability, and surface quality. With a production capacity that supports large-scale orders and the flexibility to handle special requirements, Hemaokang Steel is your reliable partner for the long term. Contact us today to discuss your specific coil dimensions, required quantities, or to request samples. We look forward to building a successful business relationship and supporting your production with high-grade cold rolled steel.
Frequently Asked Questions
Q1: What is the difference between DC01, DC03, and DC04?
DC04 has a lower carbon content and higher ductility than DC01 or DC03, which makes it more suitable for severe deep drawing. It provides better elongation and a more stable surface for complex automotive panels.
Q2: Can you supply coils with custom thickness and width?
Yes, we can customize thickness within 0.5-2.0 mm, and width typically from 600 mm to 2000 mm. Custom widths are available upon request for slitting or cut-to-length production.
Q3: What packaging options do you offer?
Standard packaging includes moisture-proof paper, plastic film, steel strip protection, and wooden pallets or edge protectors. For export, we can adopt sea-worthy packaging to prevent rust and damage.
Q4: Is the coil suitable for electric vehicle battery enclosures?
While DC04 is primarily used for body panels, it can also be formed into structural components that require complex drawing. For battery enclosures, our material may be tested for specific forming requirements; we can provide samples and technical guidance.
Q5: Do you provide mill test certificates?
Yes, a mill test certificate is supplied with each shipment. We also support third-party inspection such as SGS or BV if requested by your company.
Q6: What is the minimum order quantity?
Our MOQ is typically one 20ft container load, but we can accommodate smaller trial orders for sample evaluation. Please contact our sales team for specific volume details.
Q7: How do you ensure the surface quality of the coil?
We use strict process control during cold rolling, annealing, and skin-pass operations. Final surface checks are performed with visual inspection and roughness measurement tools to ensure a clean, uniform finish.
Q8: What is the delivery lead time?
Lead time depends on order quantity and customization. Usually it ranges from 15 to 30 days after receiving an order deposit. We work with major shipping lines from Qingdao to offer reliable schedules.
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