| Chemie ppm | ||||||||||||
| Beschreibung | Hauptkomponente | Verunreinigungen maximal | ||||||||||
| Ta | Nb | Fe | Si | Ni | W | Mo | Ti | O | C | H | N | |
| Ta1 | Rest | 300 | 40 | 30 | 20 | 40 | 40 | 20 | 150 | 40 | 15 | 20 |
| Ta2 | Rest | 800 | 100 | 100 | 50 | 200 | 200 | 50 | 200 | 100 | 15 | 100 |
| TaNb3 | Rest | 100 | 100 | 50 | 200 | 200 | 50 | 200 | 100 | 15 | 100 | |
| Rest | 170000- 230000 | 100 | 100 | 50 | 200 | 200 | 50 | 200 | 100 | 15 | 100 | |
| Rest | 400 | 50 | 30 | 20 | 30000 | 60 | 20 | 150 | 50 | 15 | 60 | |
| Rest | 400 | 50 | 30 | 20 | 110000 | 60 | 20 | 150 | 50 | 15 | 60 | |
| Toleranz | Breite | Toleranz | Länge | Toleranz | ||
| Grade II | ||||||
| ± 0,015 | ± 0,02 | 50 ~ 300 | ± 2,0 | 100 ca. 1000 | ± 2,0 | |
| ± 0,020 | ± 0,03 | 50 ~ 300 | ± 1,0 | 100 ca. 1000 | ± 2,0 | |
| ± 0,030 | ± 0,04 | 50 ~ 300 | ± 1,0 | 100 ca. 1000 | ± 2,0 | |
| ± 0,040 | ± 0,06 | 50 ~ 200 | ± 1,0 | 50 ~ 700 | ± 2,0 | |
| ± 0,060 | ± 0,08 | 50 ~ 200 | ± 1,0 | 50 ~ 700 | ± 2,0 | |
| ± 0,080 | ± 0,10 | 50 ~ 200 | ± 2,0 | 50 ~ 700 | ± 2,0 | |
| ± 0,120 | ± 0,14 | 50 ~ 200 | ± 2,0 | 50 ~ 700 | ± 2,0 | |
| ± 0,160 | ± 0,18 | 50 ~ 200 | ± 2,0 | 50 ~ 600 | ± 2,0 | |
| ± 0,180 | ± 0,20 | 50 ~ 200 | ± 1,0 | 50 ~ 500 | ± 1,0 | |
| ± 0,200 | ± 0,24 | 50 ~ 200 | ± 1,0 | 50 ~ 300 | ± 1,0 | |

Tag: Tungsten Rod | Tungsten Rundstäbe | High Purity Wolframstäben | Hartmetall Rundstäbe für Edelstahl-Schweißen

Tag: Tungsten Platten und Bleche | Wolfram-Legierung Platten und Bleche | Hartmetall-Bleche und Platten | High Purity Sinter und Bodenblech Tungsten