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| * Á¾·ù ¹× ±âÈ£,ÈÇмººÐ ¹× ±â°èÀû¼ºÁú |
±âÈ£
KS |
ÈÇмººÐ Max (%) |
ÀÎÀå°µµ
Min(N/§§) |
Ç׺¹°µµ
Min(N/§§) |
| C |
Si |
Mn |
P |
S |
| STK 290 |
- |
- |
- |
0.050 |
0.050 |
290 |
- |
| STK 400 |
0.25 |
- |
- |
0.040 |
0.040 |
400 |
235 |
| STK 490 |
0.18 |
0.55 |
1.50 |
0.040 |
0.040 |
490 |
315 |
| STK 500 |
0.24 |
0.35 |
0.30~ 1.30 |
0.040 |
0.040 |
500 |
355 |
| STK 540 |
0.23 |
0.40 |
1.50 |
0.040 |
0.040 |
540 |
390 |
| STK 590 |
0.30 |
0.40 |
2.00 |
0.040 |
0.040 |
590 |
440 |
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