2. Material Standards & Grades

Primary Standard:

• EN 10130 - Cold rolled low carbon steel flat products for cold forming

Designation System:

• DC01: Drawing quality, non-alloy steel

• Equivalent to: SPCC (JIS), CR1 (ASTM), Q195 (GB)

Surface Quality Classes:

3. Chemical Composition (% by weight)

4. Mechanical Properties

5. Physical Properties

6. Product Specifications

7. Manufacturing Process

Production Route:

• Hot-rolled coil pickling

• Cold rolling (50-80% reduction)

• Continuous annealing

• Skin pass rolling (0.5-1.5% extension)

• Leveling and cutting

• Final inspection

Key Process Parameters:

• Annealing temperature: 680-720°C

• Soaking time: 60-120 seconds

• Cooling rate: Controlled

• Surface roughness: Ra 0.3-0.8μm

8. Surface Treatment Options

9. Testing & Inspection

Mandatory Tests:

• Tensile test (EN ISO 6892-1)

• Bend test (EN ISO 7438)

• Rockwell hardness test (EN ISO 6508-1)

• Chemical analysis (EN 10204 2.2/3.1)

• Surface inspection

• Dimensional inspection

Optional Tests:

• Erichsen cupping test (EN ISO 20482)

• r-value and n-value determination

• Microstructure examination

• Surface roughness measurement

• Salt spray test (EN ISO 9227)

10. Applications

Primary Applications:

• Automotive: Body panels, interior components, brackets

• Home Appliances: Washing machine drums, refrigerator parts

• Electronics: Chassis, covers, enclosures

• Construction: Decorative panels, fittings

• General Engineering: Machine guards, cabinets, furniture

Forming Capabilities:

• Deep drawing

• Bending and folding

• Roll forming

• Stamping

• Hemming

All DC01 carbon steel plates are manufactured according to EN 10130 standards and can be customized to meet specific customer requirements and application needs.