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Cold rolled steel portfolio coil is excellent for cold forming. This Cold rolled steel portfolio coil group assigned the grades DC01 to DC07, DC01EK to DC06EK, DC03ED to DC06ED and S215G to S325G.
The surface quality is good and the surface finish is high. Moreover, the dimension precision of cold rolled products is high, and the properties and structure of products can meet some special requirements, such as electromagnetic properties, deep drawing properties, etc.
| Quality | Testing direction | Material-No. | Yield point Rp0,2 (MPa) | Tensile strength Rm (MPA) | Elongation A80 (in %) min. |
|---|---|---|---|---|---|
| DC01EK | Q | 1.0390 | ≤270 | 270 - 390 | 30 |
| DC04EK | Q | 1.0392 | ≤220 | 270 - 350 | 36 |
| DC05EK | Q | 1.0386 | ≤220 | 270 - 350 | 36 |
| DC06EK | Q | 1.0869 | ≤190 | 270 - 350 | 38 |
Iron is the base metal of steel. Depending on the temperature, it can take two crystalline forms: body-centred cubic and face-centred cubic.
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