One side of relatively good quality cold rolled coil steel is free from any defect, namely appearance quality after painting or electro galvanizing is no affected, and the other side must reach FB requirements at least.
One side of relatively good quality cold rolled coil steel is free from any remarkable defect visible and the other side must reach FB requirements at least.
| Steel grade | Yield strength MPa | Tensile strength Mpa ≥ | After Breakage Percent Elongation (L0=80mm, b=20mm)%≥ | rb, c ≥ | nb, c ≥ | |||
| Nominal Thickness mm | ||||||||
| <;0.70 | 0.70~<;1.0 | 1.0~<;1.6 | ≥1.6 | |||||
| DC04(St14, St15) | 120~210 | 270 | 36 | 38 | 39 | 40 | 1.5 | 0.18 |
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