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The product has characteristics of good formability and uniform flatness. It is therefore used to manufacture automobiles, home electronic appliances, hot-dipped galvanized steel, and pre-painted steel products.
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Manufacturing
Automotive panel, electrical appliance, office stationary, fan, washing machine |
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Construction
cable channel, switch box |
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| Specification |
| JIS G 3141 – Cold-Rolled |
Grade and symbol
| Symbol of grade |
Remarks |
| SPCC |
Commercial quality |
| SPCD |
Drawing quality |
| SPCE |
Deep drawing quality |
Tensile strength
| Symbol of grade |
Tensile strength N/mm²
T => 0.25mm |
| SPCC |
270 min. |
| SPCD |
270 min. |
| SPCE |
270 min. |
Hardness
| Temper grade |
Symbol of temper grade |
Hardness HRB |
Hardness HV |
| 1/8 hard |
8 |
50 to 71 |
95 to 130 |
| 1/4 hard |
4 |
65 to 80 |
115 to 150 |
| 1/2 hard |
2 |
74 to 89 |
135 to 185 |
| Full hard |
1 |
85 min. |
170 min. |
Tensile strength and yield point
| Symbol of grade |
Tensile strength
N/mm² |
Yield point
N/mm² |
| SPFC 340 |
340 min. |
175 min. |
| SPFC 370 |
370 min. |
205 min. |
| SPFC 390 |
390 min. |
235 min. |
| SPFC 440 |
440 min. |
265 min. |
| SPFC 490 |
490 min. |
295 min. |
| SPFC 540 |
540 min. |
325 min. |
| SPFC 590 |
590 min. |
355 min. |
| SPFC 490 Y |
490 min. |
225 min. |
| SPFC 540 Y |
540 min. |
245 min. |
| SPFC 590 Y |
590 min. |
265 min. |
| SPFC 780 Y |
780 min. |
365 min. |
| SPFC 980 Y |
980 min. |
490 min. |
| SPFC 340 H |
340 min. |
185 min. |
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