DC03 | 1.0347 Cold Rolled Steel
What Does 1.0347 Mean?
The designation 1.0347 is the steel material number defined under the European EN standard system. This numerical code uniquely identifies the chemical composition and mechanical behavior of the steel grade, ensuring consistency in international trade and manufacturing. For buyers and engineers, the 1.0347 number helps avoid misunderstandings when sourcing cold rolled steel across different regions.
What Is DC03?
DC03 is a cold rolled low-carbon steel grade specified under EN 10130, designed for applications requiring better formability than basic commercial-quality steels. Compared with DC01, DC03 offers improved ductility and more stable deformation behavior, making it suitable for moderate to deep drawing processes.
What Is Cold Rolled Steel?
Cold Rolled Steel is produced by rolling hot rolled steel at room temperature, followed by annealing and skin-pass processing. This manufacturing method significantly improves surface quality, thickness accuracy, and mechanical uniformity. Cold rolled steel is widely used in industries where dimensional precision and surface finish are critical.
Cold Rolled Steel

Typical Specifications of DC03 | 1.0347 Cold Rolled Steel
| Item | Description |
|---|---|
| Standard | EN 10130 |
| Steel Grade | DC03 |
| Material Number | 1.0347 |
| Thickness Range | 0.3 – 3.0 mm |
| Width Range | Up to 1600 mm |
| Surface Finish | Bright, matte |
| Delivery Condition | Annealed + skin-passed |
Mechanical Properties Overview
| Property | Typical Value |
|---|---|
| Yield Strength | ≤ 240 MPa |
| Tensile Strength | 270 – 370 MPa |
| Elongation (A80) | ≥ 28% |
These balanced properties allow DC03 to perform well during bending, forming, and light deep drawing without cracking.
DC03 vs DC01: Key Differences
| Feature | DC01 | DC03 |
|---|---|---|
| Formability | Basic | Improved |
| Carbon Content | Slightly higher | Lower |
| Elongation | Lower | Higher |
| Typical Applications | Panels, simple parts | Drawn parts, housings |
DC01 is often selected for cost-sensitive applications, while DC03 is preferred when better forming reliability is required.
Typical Applications of DC03 Cold Rolled Steel
DC03 is commonly used in:
- Automotive interior components
- Appliance housings
- Electrical cabinets
- Metal furniture frames
- Light industrial enclosures
Its superior consistency reduces scrap rates during forming, which is especially important in mass production.
GNEE Steel supplies DC01, DC03, DC04, and DC05 cold rolled steel with strict quality control, stable chemical composition, and flexible export packaging. With extensive export experience, GNEE Steel ensures consistent material performance and reliable delivery schedules.
If you are looking for DC03 | 1.0347 cold rolled steel with stable formability and competitive pricing, GNEE Steel is ready to support your project.
Send your inquiry today to receive detailed specifications, test certificates, and tailored solutions.

