Free-Cutting & Alloy Steel
We distributed Cold Drawn Free Cutting Steel Round, Flat, Hexagon and Profile bar grade : 12L14, 1215, 1215MS, SUM23, SUM24L
Cold Drawn Carbon Steel Round, Flat, Hexagon and Profile bar grade : S10C, S15C, S20C, S25C, S30C, S35C, S40C, S45C, S50C, SS400
Cold Drawn Carbon Alloy Steel Round, Flat, Hexagon and Profile bar grade : SCM415, SCM415H, SCM435, SCM435H, SCM440, SCM440H
| Kind | Symbol of Class | Chemical Composition, wt. % | AISI | ||||
|---|---|---|---|---|---|---|---|
| C | Mn | P | S | Pb | |||
| Resulphurized Carbon Steel | SUM11 | 0.08-0.13 | 0.30-0.60 | 0.040 max. | 0.08-0.13 | - | 1110 |
| SUM12 | 0.08-0.13 | 0.60-0.90 | 0.040 max. | 0.08-0.13 | - | 1108 | |
| SUM21 | 0.13 max. | 0.70-1.00 | 0.07-0.12 | 0.16-0.23 | - | 1212 | |
| SUM22 | 0.13 max. | 0.70-1.00 | 0.07-0.12 | 0.24-0.33 | - | 1213 | |
| SUM23 | 0.09 max. | 0.75-1.05 | 0.04-0.09 | 0.26-0.35 | - | 1215 | |
| SUM25 | 0.14 max. | 0.9-1.4 | 0.07-0.12 | 0.30-0.40 | - | - | |
| SUM31 | 0.14-0.20 | 1.00-1.30 | 0.040 max. | 0.08-0.13 | - | 1117 | |
| SUM32 | 0.12-0.20 | 0.60-1.10 | 0.040 max. | 0.10-0.20 | - | - | |
| SUM41 | 0.32-0.39 | 1.35-1.65 | 0.040 max. | 0.08-0.13 | - | 1137 | |
| SUM42 | 0.37-0.45 | 1.35-1.65 | 0.040 max. | 0.08-0.13 | - | 1141 | |
| SUM43 | 0.40-0.48 | 1.35-1.65 | 0.040 max. | 0.24-0.33 | - | 1144 | |
| Leaded Carbon Steel | SUM22L | 0.13 max. | 0.70-1.00 | 0.07-0.12 | 0.24-0.33 | 0.10-0.35 | 12L13 |
| SUM23L | 0.09 max. | 0.75-1.05 | 0.04-0.09 | 0.26-0.35 | 0.10-0.35 | - | |
| SUM24L | 0.15 max. | 0.85-1.15 | 0.04-0.09 | 0.26-0.35 | 0.10-0.35 | 12L14 | |
| SUM31L | 0.14-0.20 | 1.00-1.30 | 0.040 max. | 0.08-0.13 | 0.10-0.35 | - | |