It is mainly used for the production and processing of ballpoint pen tip. The material has good turning performance, wear resistance and corrosion resistance.
| Grade | Tensile strength Rm/MPa | Elongation EL | Vickers hardness HV0.5 | Grain size Transverse Transvergrain size | grain size longitudinal Longitudinalgrain | Precipitated phase |
|---|---|---|---|---|---|---|
| TBPS | 760-800 | 3-6 | 250-280 | 10-10.25 | 10.5-12.5 | Check under the electron microscope, there shall be no carbides distributed in clusters, and a small amount of dispersed carbides are allowed when the electron microscope is 2000 times. |
| TBPS-E | ≥750 | 2-4.5 | 240-280 | ≥9 | ≥9 | Check under the electron microscope, there shall be no carbides distributed in clusters, and a small amount of dispersed carbides are allowed when the electron microscope is 2000 times. |
| Grade | Chemical composition Chemical compsition% | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| C | Si | Mn | P | S | Cr | Mo | You | Pb | Others | |
| TBPS | ≤0.05 | ≤1.00 | ≤2.00 | ≤0.05 | ≥0.15 | 19.00-21.00 | 1.50-2.50 | 0.01-0.07 | <0.1 | - |
| TBPS-E | ≤0.05 | ≤1.00 | ≤2.00 | ≤0.05 | ≥0.15 | 19.00-21.00 | 1.50-2.50 | 0.01-0.07 | <0.1 | - |
中文
German
English
French
Italian
Japanese
Korea
Russia
Spanish
Thai
Vietnamese