When cold-rolled steel automobile platess are used for parts forming, the plastic deformation degree of the material is required to be large, and the surface must not have parts with wrinkles, cracks, etc. For different parts, use different grades of cold-rolled steel automobile platess. For example, the standards of Japanese automobile steel sheets are divided into three categories.
[CHEMICAL COMPOSITION]
EN 10130: 2006-DC05
| Chemical | C | Mn | P | S |
| Max. | 0.008 | 0.30 | 0.02 | 0.02 |
Steel grade | Chemical composition % | |||||
C | Mn | p | S | Alta | Ti b | |
DC05(BSC2) | ≤0.008 | ≤0.30 | ≤0.020 | ≤0.020 | ≥0.015 | ≤0.20 |
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