DC06 - Cold rolled steel

The deep-drawing steel grade DC06 is defined under DIN EN 10130, a standard dedicated to cold-rolled flat products made from low-carbon steels designed for cold forming. This specification outlines the performance criteria and testing methods required for cold-rolled materials used across industrial sectors, particularly where exceptional formability and high-quality surface finishes are essential.

DC06 is an ultra-low-carbon steel renowned for its superior cold-forming capability. Its chemical composition is strictly controlled to achieve stable mechanical performance. In most cases, DC06 contains no more than 0.01% carbon and up to 0.20% manganese, along with extremely low levels of phosphorus and sulfur. The minimal alloying content is a key factor that enhances its remarkable formability and weldability.

The mechanical characteristics of DC06 are equally well regulated. The steel demonstrates a maximum yield strength of 120 MPa and a tensile strength range of 270–350 MPa. It also offers a minimum elongation of 40%, further highlighting its excellent ability to withstand deep forming processes. With these attributes, DC06 is an ideal choice for manufacturing highly complex and dimension-critical products, including deep-drawn automotive body panels and precision parts used in the household appliance industry.

DC06 | 1.0873: Properties according to DIN EN 10 130

Steel type

* Comparative grade, therefore minor deviations from DIN EN values possible

DC06 | 1.0873: Mechanical properties (transverse)

DC06 | 1.0873: Chemical composition (heat analysis)

1) Where no yield strength is defined, the respective values shall apply to the 0.2 % proof stress (Rp0.2) or to the lower yield strength (ReL). For thicknesses ≤ 0.7 mm but > 0.5 mm, the maximum yield strength values may be 20 MPa higher. In case of thicknesses ≤ 0.5 mm, the maximum yield limits may be 40 MPa higher.

2) For thicknesses ≤ 0.7 mm but > 0.5 mm, the minimum elongation at fracture may be 2 units lower. For thicknesses ≤ 0.5 mm, the minimum elongation at fracture may be 4 units lower.

3) The r90 and n90 values apply to product thicknesses ≥ 0.5 mm only.

4) For thicknesses > 2 mm, the r90-value is reduced by 0.2.

Other grades of cold-rolled steel：

DC01 – Designed for basic forming processes such as bending, embossing, beading and standard drawing operations.
DC03 – Intended for more demanding forming applications, including deep drawing and more complex profiling.
DC04 – Suitable for applications requiring high levels of formability.
DC05 – A deep-drawing grade developed to meet very high forming requirements.
DC06 – A special deep-drawing grade engineered for the highest demands in cold forming.
DC07 – An ultra deep-drawing grade tailored for extreme and highly challenging forming operations.

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