Today's better control cold rolled sheet are much improved than those used in the past. Better control cold rolled sheet could supply better control of thickness, shape, width, surface finish, and other special quality features that compliment the emerging need for highly engineered end uses. Take construction projets for example: steel sheds, industrial buildings, and garages.
| JIS G3141 Chemical Composition | |||||
|---|---|---|---|---|---|
| Material Grade | better control cold rolled sheet Chemical Composition % | ||||
| C | Mn | P | S | Alta | |
| SPCC | ≤0.12 | ≤0.50 | ≤0.035 | ≤0.025 | ≥0.020 |
| SPCD | ≤0.10 | ≤0.45 | ≤0.030 | ≤0.025 | ≥0.020 |
| SPCE | ≤0.08 | ≤0.40 | ≤0.025 | ≤0.020 | ≥0.020 |
| for all steel grades,when C≤0.01,Alt≥0.015 | |||||
| JIS G3141 better control cold rolled sheet Mechanical Property | ||||||
|---|---|---|---|---|---|---|
| Steel Grade | Tensile test | r90 | n90 | |||
| Yield strength/MPa | Tensile Strength /MPa | Elongation after break b(L0=50mm, b=25mm)/% | not less than | |||
| 0.5~1.0mm | 1.0~2.0mm | |||||
| SPCC | 140~280 | ≧270 | ≧34 | ≧37 | ||
| SPCD | 140~240 | ≧270 | ≧36 | ≧39 | 1.3 | |
| SPCE | 130~210 | ≧270 | ≧38 | ≧41 | 1.6 | 0.18 |



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