| DIN 1.2713 alloy steel round bars |
| Chemical Composition(%) |
| C | Si | Mn | P | S | Cr | ---- | ------ |
| 2.00-2.35 | 0.10-0.60 | 0.20-0.60 | ≤0.030 | ≤0.030 | 11.0-13.5 | --- | ------ |
| Specialty |
High charcoal and chromium tool steel, have high penetration, small distortion, high rigidity, good endurance. |
| Use | | | | | | | |
| 1.Cold pressing mold extrusion with low pressing and burden, imprint mold, cold cutting scissor |
| Heat Treatment |
| 1.Quench: 950-980`C cold oil(need re-preheat~500`C-850`C)HRC≥60 |
| 2.Eliminate stress, stabilize framework tempering, (180-200`C)≥2 hours HRC60-62 |
| 3.If it is necessary, it could be changed into 320-350`C≥2 hours backfire HRC≥60-62 |
| 4.Annealing: 780-800`C slow cooling |
| Melting Process |
| 1. EAF: Electric Furnace+LF+VD(Optional) |
| 2. ESR: Electric Furnace+LF+VD+Eleroslag Remelted(Optional) |
| UT Class |
| According to Standard of SEP 1921/84,100% Volume, Level C/c, D/d or E/e |
| Tolerance on Quantity |
| +/-10% Per Size |
