DC03 Cold-rolled coil | EN10130 Deep-drawing cold-rolled steel sheet (European Standard) | In-stock slitting and cutting services
DC03 cold-rolled coil is an EN10130 European-standard stamping-grade cold-rolled carbon steel coil. It offers superior elongation compared to DC01, features a smooth surface and high dimensional accuracy, and is ideal for moderate drawing, bending, and forming operations. Available in standard thicknesses from 0.3 to {4.0} mm, it supports leveling, slitting, and custom cutting. With ample factory stock and material certificates available, it is widely used in home appliance drawing parts, hardware deep-drawing components, and automotive interior stampings.
Introduction to DC03 Cold-Rolled Coils
DC03 cold-rolled coil isEN10130 European StandardStandard cold-rolled carbon steel sheet for stamping. DC03 is a medium deep-drawing grade, positioned between commercial-grade DC01 and drawing-grade DC04. It is the preferred cold-rolled material for moderately drawn components. Processed through specialized finishing and annealing, DC03 enhances elongation and toughness, preventing cracking during stretching. Offering an optimal balance of performance and cost-effectiveness, it is widely used in sheet metal, home appliances, hardware, and automotive parts manufacturing requiring deep drawing.
While DC01 is limited to bending and shallow drawing, DC03 offers superior medium-depth drawability, enhanced forming stability, and lower scrap rates, making it the ideal choice for mass production of drawn stampings. For complex, ultra-deep draw applications, upgrade to DC04 or DC06 deep-drawing grade cold-rolled steel.
1. DC03 Material Grade Benchmarking Analysis
DC03 is a mainstream European standard cold-rolled steel grade for stamping. It can be used as a direct substitute for equivalent high-quality domestic and international cold-rolled grades. Procurement reference:
European Standard: DC03 (EN10130) Cold Rolled Sheet for Stamping
Japanese Standard: SPCD cold-rolled sheet for stamping
German Standard: ST13 Deep Drawing Grade Cold Rolled Sheet
Use Cases: Moderate stretching, complex bending, and overall forming parts. DC01/SPCC cannot be used as substitutes.
II. Core Performance Advantages of DC03 Cold-Rolled Coils
DC03 cold-rolled coil is produced using precision cold rolling and annealing. Compared to standard commercial cold-rolled sheets, it offers significantly enhanced formability with distinct core advantages:
Excellent tensile performanceHigh material toughness and elongation, specifically designed for moderate deep-drawing applications. Resists cracking and wrinkling during stamping, ensuring full, consistent forming for complex parts with varying depths.
Premium board qualityFlat and smooth surface with no scale, pitting, or scratches. Clean and uniform finish requiring no secondary polishing; ready for painting, powder coating, electrophoresis, electroplating, and other surface treatments for a premium end-product appearance.
Extremely high dimensional accuracyTight tolerance control for thickness, width, and flatness ensures uniform shape and smooth surface. Ideal for automated precision stamping lines, significantly reducing machining waste and defect rates.
Great valueLower-priced than premium DC04 deep-drawing steel, yet offers superior formability compared to DC01. Perfectly balances performance and cost—ideal for mass-producing moderately drawn parts.
Storage Usage Reminder: DC03 is a cold-rolled sheet without anti-rust coating. It is prone to oxidation and rusting in humid or poorly ventilated environments. Store in a dry warehouse, apply moisture protection and oil treatment before and after processing, and perform anti-corrosion painting or galvanization on finished products promptly.
III. Common Specifications
Execution Standard:EN10130 European Standard
Standard thickness: 0.3mm, 0.5mm, 0.6mm, 0.8mm, 1.0mm, 1.2mm, 1.5mm, 2.0mm, 2.5mm, 3.0mm
Standard Width: 1000mm, 1250mm, 1500mm; supports custom strip widths
Supply Format: Cold-rolled coils, slit and leveled sheets, slitted strips, and cut-to-size plates
Major steel millsAuthentic products from Baosteel, Angang, Shougang, and Hesteel. Material certification and tensile property test reports available upon delivery.
IV. Key Application Areas
DC03 cold-rolled coil, with excellent medium-to-deep drawability, is widely used in precision manufacturing applications requiring deep drawing.
Home Appliances: Home appliance stretch enclosures, inner liner components, curved panels, and contoured appliance parts
Metal stampingStretched hardware casings, custom stampings, bent metal fittings, and precision sheet metal parts
Auto PartsAutomotive interior trim components, dashboard accessories, door assist interior parts, and light-duty stretch structural components
Electrical Equipment:异形机箱壳体、弧形电气配件、拉伸型设备外壳
General ManufacturingIndustrial parts requiring moderate stretching and complex bending, suitable as substrates for high-end painting and electroplating.
5. Differences Between DC01, DC03, and DC04 Grades (Procurement Guide to Avoid Pitfalls)
DC01General commercial grade: suitable for flat sheets, simple bending, and shallow drawing; lacks deep-drawing capability. High cost-performance ratio and widely used as a basic material.
DC03: Drawing grade with moderate stretch capability; ideal for most complex, curved, and shallow-to-deep drawn parts. The most widely used cold-rolled forming material on the market.
DC04Premium deep-drawing grade with ultra-high elongation. Ideal for complex, multi-stage deep drawing and forming operations—prevents cracking and deformation.
Material Recommendation: Choose DC01 for simple flat bending; select DC03 for parts requiring stretching, curving, or embossing/debossing; use DC04 for multi-stage deep drawing components.
VI. Supply and Processing Services
Long-term spot supply of genuine DC03 cold-rolled coils. Specializing in stamping and deep-drawing cold-rolled sheets, offering one-stop steel processing and distribution services.
Precision coil leveling and precision cutting to custom dimensions on demand
Precision longitudinal slitting of steel coils; processing various narrow strips and finished steel bands.
Supports small-batch samples and large-scale production orders with stable, ample supply.
Factory material certification and performance test reports provided. Fast nationwide shipping available.
VII. Frequently Asked Questions (FAQ)
Q1: What is the difference between DC03 and DC01? Are they interchangeable?
DC01 is standard commercial grade with no stretchability; DC03 is stamping grade, offering better elongation and toughness for moderate deep drawing. While pure bend flat parts can be used interchangeably temporarily, stretched parts must never be substituted, as this will likely cause cracking and scrap.
Q2: What material does DC03 correspond to? Can it replace SPCD and ST13?
A: DC03 European standard cold-rolled steel, fully matching the performance of Japanese SPCD and German ST13. It is perfectly interchangeable under identical conditions and is the preferred material for replacing imported grades with domestic alternatives.
Q3: Will DC03 cold-rolled steel sheet rust? Is anti-rust treatment required?
DC03 is a cold-rolled strip without anti-rust plating. It oxidizes and rusts easily, so storage must be dry and well-ventilated. Apply oil during processing to prevent rusting. Final products must undergo anti-corrosion treatments such as painting or galvanizing.
Q4: Should I use DC03 or DC04 for drawing parts?
For moderate drawing and simple forming, DC03 offers the best value. For multi-stage drawing, deep draws, or complex geometries, upgrade to DC04 (deep-drawing grade) to prevent cracking during forming.