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Rouleau de carbure de tungstène
Fiche de données de bague de rouleaux de carbure de tungstène
Anneau de rouleau de carbure de tungstène est une sorte d'outil de matière qui se compose de carbure de tungstène et de cobalt à haute résistance dureté et l'usure. Pour tirer parti de la résistance à l'usure élevée, longue vie et haute efficacité des anneaux de rouleau de carbure cimenté pendant le laminage à haute vitesse, il convient ainsi lors de l'achat et l'utilisation de carbure cimenté anneau de rouleau.
Tableau des grades et des propriétés de carbure de rouleaux ring et des données connexes
| Grade | Chemical composition | Mechanical properties | Physical properties | |||||
|---|---|---|---|---|---|---|---|---|
| Co+Ni % |
WC % |
Hardness HAR |
T.R.S MPa |
Compressive Strength MPa |
Young's modulus of elasticity KN/mm2 |
Density g/cm3 |
Thermal conductivity | |
| YGH20 | 10 | 90 | >86.0 | >2500 | 3500 | 560 | 14.2~14.5 | 0.2 |
| YGH25 | 12 | 88 | >84.0 | >2300 | 3400 | 550 | 14.0~14.3 | 0.21 |
| YGH30 | 15 | 85 | >83.5 | >2520 | 3300 | 540 | 13.8~14.2 | 0.2 |
| YGH40 | 18 | 82 | >83.0 | >2570 | 3200 | 500 | 13.4~14.2 | 0.19 |
| YGH45 | 20 | 80 | >82.0 | >2570 | 3100 | 480 | 13.3~13.9 | 0.18 |
| YGH55 | 26 | 74 | >81.0 | >2570 | 3000 | 450 | 12.6~13.2 | 0.17 |
| YGR20 | 10 | 90 | >85.0 | >2400 | 3400 | 550 | 14.2~14.8 | 0.2 |
| YGR25 | 12.5 | 87.5 | >83.0 | >2270 | 3300 | 540 | 14.0~14.3 | 0.22 |
| YGR30 | 15 | 85 | >83.0 | >2360 | 3200 | 530 | 13.8~14.3 | 0.2 |
| YGR40 | 18 | 82 | >82.0 | >2400 | 3200 | 530 | 13.5~13.9 | 0.2 |
| YGR45 | 20 | 80 | >80.5 | >2250 | 3000 | 480 | 13.4~13.9 | 0.18 |
| YGR55 | 25 | 75 | >79.0 | >2400 | 2800 | 420 | 12.9~13.4 | 0.17 |
| YGR60 | 30 | 70 | >78.0 | >2200 | 2600 | 300 | 12.6~13.1 | 0.16 |
Anneaux de rouleau de demandes recommandées de grades de carbure de tungstène
| Grade | Recommended applications |
|---|---|
| YGH20 | Maximum hardness, excellent wears resistance in the series. Used in the last 1-2 stands of good high speed finishing mills for rolling common and hard steel bars. |
| YGH25 | Higher wear resistance, moderate impact resistance in the series. Used in the last 1-3 stands of good high speed finishing mills for rolling common and hard steel bars. |
| YGH30 | Moderate wear resistance and impact resistance, good for general purposes. Used in the last 1-4 stands or all stands of finishing mills. |
| YGH40 | Best for general purposes, used in the front stands of good mills and in the rear stands of common mills. |
| YGH45 | Used in the first and second stands of finishing mills and in the stands of pre-finishing rolling mills. For every stand of rolling lines for low speed rolling, low precision and unstable operation. |
| YGH55 | Maximum binder content in YGH series, good toughness and thermal crack resistance. Used in the stands of pre-finishing rolling mills and for roll rings for hot rolling of ribbed steel. |
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