DC05 Cold-Rolled Coil | DC06 Extra Deep-Drawing Cold-Rolled Steel Sheet | EN10130 Precision Stamping In-Stock Manufacturer

<h2 style="text-align: left;">DC05/DC06 Cold-Rolled Coil: Overview</h2> <p>DC05 and DC06 are premium ultra-deep-drawing cold-rolled carbon steel sheets under the European standard EN10130. As the top-tier grade in the DC series, they are specifically engineered for high-difficulty precision deep-drawing processes. Compared to commercial-grade DC01, medium-drawing DC03, and deep-drawing DC04, DC05 and DC06 undergo extreme annealing and ultra-low-carbon refining. This results in a more uniform internal structure, higher elongation, and superior stamping stability, effectively eliminating issues such as cracking, wrinkling, and springback in complex multi-stage drawing and irregular curved forming.</p> <p>The two grades have distinct positioning:<strong>DC05 is the premium deep-drawing grade</strong>, suitable for most high-difficulty drawing parts;<strong>DC06 is the special ultra-deep-drawing grade</strong>, representing the peak of formability in commercial cold-rolled sheets. It is designed exclusively for extreme drawing, ultra-thin precision, and multi-process continuous forming applications. It is widely used in automotive precision components, high-end appliances, kitchen and bath hardware, and precision sheet metal manufacturing.</p><h2 style="text-align: left;">I. Grade Comparison and Classification (DC05/DC06)</h2> <p>DC05 and DC06 are European standard premium deep-drawing materials, corresponding to top-tier domestic and international stamping grades. Procurement reference:</p> <ul> <li><p><strong>DC05 (EN10130)</strong>: Premium deep-drawing grade. Equivalent to Japanese SPCE and German ST14. Suitable for high-difficulty single and double-stage drawing.</p></li> <li><p><strong>DC06 (EN10130)</strong>: Special ultra-deep-drawing grade. Comparable to imported ultra-deep-drawing cold-rolled sheets. Ideal for multi-stage continuous extreme drawing and ultra-thin precision forming.</p></li> <li><p><strong>Grade Ranking (Low to High)</strong>: DC01 < DC03 < DC04 < DC05 < DC06</p></li> <li><p><strong>Application Scenarios</strong>: Complex surfaces, deep drawing, ultra-thin forming, and flawless precision parts. Low-end grades cannot replace these.</p></li> </ul><h2 style="text-align: left;">II. Core Performance Advantages (DC05/DC06)</h2> <p>Produced via ultra-low-carbon refining and precise annealing, these two premium cold-rolled sheets offer unmatched precision forming capabilities compared to standard cold-rolled sheets. Their core advantages are consistent and prominent:</p> <ul> <li><p><strong>Extreme Drawing Performance</strong>: Extremely low carbon content, exceptional toughness, and ultra-high elongation ensure smooth multi-stage continuous drawing, deep forming, and irregular bending without cracking, wrinkling, or significant springback. Forming fullness and accuracy are maximized, supporting various high-difficulty precision stamping processes.</p></li> <li><p><strong>Superior Surface Quality</strong>: Mirror-flat surface free of scale, pits, scratches, or pores. The clean, uniform surface has extremely low roughness, requiring no grinding or polishing. Ready directly for high-end painting, electrophoresis, electroplating, and enameling. Finished products are flawless, ideal for visible high-end precision components.</p></li> <li><p><strong>Ultra-High Dimensional Accuracy</strong>: Strict control over thickness, width, flatness, and shape tolerances ensures uniform thickness and high flatness. Compatible with fully automated precision stamping and robotic forming lines, significantly reducing scrap rates for precision parts and supporting large-scale high-end production.</p></li> <li><p><strong>Excellent Material Stability</strong>: Uniform internal microstructure and complete stress relief prevent deformation after stamping. High dimensional consistency makes them ideal for standardized production of precision accessories for high-end equipment, automotive, and home appliance industries.</p></li> </ul> <p><strong>Storage & Handling Reminder</strong>: DC05 and DC06 are bare cold-rolled sheets with no anti-rust coating. The precision surfaces oxidize and scratch easily. Store in sealed, dry conditions with oil protection throughout. Implement dust and scratch prevention during processing, and apply anti-corrosion surface treatments immediately upon completion.</p><h2 style="text-align: left;">III. Common Specifications & Parameters</h2> <p><strong>Standard</strong>: EN10130 (European Standard for Premium Cold-Rolled Sheets)</p> <p><strong>Common Thicknesses</strong>: 0.3mm, 0.5mm, 0.6mm, 0.8mm, 1.0mm, 1.2mm, 1.5mm, 2.0mm, 2.5mm, 3.0mm</p><p><strong></p> <p><strong>Common Widths</strong>: 1000mm, 1250mm, 1500mm. Custom slitting to narrow strips available.</p> <p><strong>Available Forms</strong>: Ultra-deep-drawing coils, precision uncoiled sheets, slit strips, and cut-to-size precision plates.</p> <p><strong>Major Mills</strong>: Original material from Baosteel, Angang, and Shougang. Complete material reports and tensile performance test data available.</p><h2 style="text-align: left;">IV. Primary Application Areas</h2> <p>DC05 and DC06 focus on high-end precision deep-drawing scenarios, serving as core raw materials for advanced manufacturing:</p> <ul> <li><p><strong>Automotive Precision Parts</strong>: Deep-drawn interior trim, instrument panel housings, door inner panels, complex exterior covers, and precision vehicle sheet metal components.</p></li> <li><p><strong>High-End Appliances</strong>: Refrigerator liners, washing machine deep-drawn casings, air conditioner irregular panels, kitchen/bath appliance liners, and ultra-thin precision appliance shells.</p></li> <li><p><strong>Precision Hardware Stamping</strong>: Irregular deep-drawn hardware casings, ultra-thin precision drawn parts, multi-process hardware accessories, and high-end decorative sheet metal.</p></li> <li><p><strong>Kitchen & Bath Enameling</strong>: Enamel liners, cookware drawn casings, and precision bathroom forming parts. Surfaces are defect-free for enameling processes.</p></li> <li><p><strong>General High-End Manufacturing</strong>: Precision equipment guards, complex precision housings, high-end instrument sheet metal, and various difficult-to-form industrial components.</p></li> </ul><h2 style="text-align: left;">V. Differences Between DC05 and DC06: Selection Guide</h2> <ul> <li><p><strong>DC05 (Premium Deep-Drawing Grade)</strong>: Best value-for-money premium drawing material with excellent elongation. Suitable for<strong>single/double-stage deep drawing and conventional complex irregular forming</strong>. An upgrade from DC04, it fits mass production for most high-end drawing parts.</p></li> <li><p><strong>DC06 (Special Ultra-Deep-Drawing Grade)</strong>: The top-tier DC series material with optimal toughness, elongation, and crack resistance. Specifically designed for<strong>multi-stage continuous drawing, ultra-thin forming, extreme depth drawing, and high-precision zero-springback parts</strong>, eliminating all forming defects.</p></li> </ul> <p><strong>Procurement Tips</strong>: Choose DC04 for standard drawing, DC05 for complex high-end drawing, and DC06 for extreme precision multi-process drawing. Never substitute low-end DC01/DC03 for premium deep-drawing materials to avoid batch scrapping.</p><h2 style="text-align: left;">VI. Supply & Processing Services</h2> <p>We provide long-term stock of authentic factory-direct DC05 and DC06 ultra-deep-drawing cold-rolled coils, specializing in custom processing for high-end precision sheet metal to meet demanding production needs:</p> <ul> <li>Precision coil leveling and micron-level cut-to-size shearing; no scratches or deformation.</li> <li>High-precision longitudinal slitting with accurate narrow strip tolerances, compatible with automated equipment.</li> <li>Support for small-batch sampling and stable supply for large-volume high-end orders.</li> <li>Provision of original material certificates and tensile test reports. Full logistics protection to prevent surface scratches.</p></li> </ul><h2 style="text-align: left;">VII. Frequently Asked Questions</h2> <p><strong>Q: Can DC05 and DC06 replace DC04?</strong></p> <p>A: Yes, they can fully replace DC04 with better forming results and lower scrap rates. DC05/DC06 outperform DC04 across the board. Upgrading to these grades effectively solves cracking and wrinkling issues in parts with high drawing requirements.</p> <p><strong>Q: How do I choose between DC05 and DC06? Which offers better value?</strong></p> <p>A: For conventional high-end deep drawing and irregular forming, select DC05 for the best value. For multi-stage continuous drawing, ultra-thin precision, extreme forming, or zero-defect requirements, you must select DC06.</p> <p><strong>Q: Is DC06 the best cold-rolled deep-drawing sheet?</strong></p> <p>A: Within standard commercial European EN10130 cold-rolled sheets, DC06 is the top-tier ultra-deep-drawing material. It offers the best forming toughness, elongation, and crack resistance, making it the premier choice for precision deep-stamping applications.</p> <p><strong>Q: Do DC05/DC06 cold-rolled sheets require rust protection?</strong></p> <p>A: Yes. Both are bare precision cold-rolled sheets prone to oxidation, rust, and scratching. They must be oiled and stored in sealed, moisture-proof conditions during warehousing and processing. Finished products require timely anti-corrosion treatments such as painting, enameling, or galvanizing.</p>