DC04 Steel Machining
The low carbon content and good formability of DC04 steel make it an excellent performer in processing, especially for applications that require complex shapes and high precision.
Deep drawing: DC04 steel has excellent ductility and low yield strength, which is suitable for deep drawing operations, and can form complex parts without cracking.
Stamping: Thanks to its excellent strength to formability ratio, DC04 can maintain its shape integrity during repeated stamping, which is suitable for processing complex patterns.
Bending: DC04 steel has excellent flexibility and can withstand bending processes without breaking, which is very suitable for parts that require curved shapes.
Welding: The low carbon content makes DC04 steel suitable for various welding processes, such as spot welding and seam welding, ensuring the strength and durability of the welded joints.
Cutting: Whether it is laser cutting, plasma cutting or mechanical cutting, the stable thickness and surface quality of DC04 steel can ensure accurate cutting results and reduce processing errors.
GNEE STEEL has advanced processing technology and high-precision equipment. Whether it is deep drawing, punching, bending or cutting, we can provide tailor-made solutions according to your needs.

DC04 Steel Surface Quality Grades
The surface quality of DC04 steel provides an excellent foundation for a variety of subsequent treatments. We offer a variety of surface treatment services to improve the corrosion resistance, visual effects and overall performance of the product.
DC04's smooth surface can undergo treatments like galvanizing or painting, which enhance corrosion resistance and appearance, due to its even finish and adherence qualities.
FB (O3): Permits minor surface imperfections that do not interfere with forming or coating adhesion, suitable for standard applications.
FC (O4): Offers a relatively high-quality finish on one side, free from significant defects, while the opposite side meets FB standards, ideal for partially visible parts.
FD (O5): Provides a premium finish on both sides, with no visible defects, making it suitable for applications requiring a flawless surface after painting or galvanizing.
| Quality | Standard | Material No. | Old designation |
|---|---|---|---|
| DC04 | DIN EN 10130 | 1.0338 | St 14-03 |
| DC04+ZE | DIN EN 10152 | 1.0338 | St 14-03 |
| Testing direction | Yield point Rp0,2 (MPa) |
Tensil Strength Rm (MPa) |
Elongation A80 (in %) |
r90 | n90 |
|---|---|---|---|---|---|
| Q | ≤ 210 | 270 – 350 | ≥ 38 | ≥ 1,6 | ≥ 0.180 |
| C % |
Mn % |
P % |
S % |
|---|---|---|---|
| ≤ 0,08 | ≤ 0,40 | ≤ 0,030 | ≤ 0,030 |
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