Tu 48-19-320-91. Tungsten rods for xenon lamp electrodes. Technical conditions.
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Technical specifications
1.1. Tungsten rods for xenon lamp electrodes (further bars) must comply with the requirements of these specifications.
1.2. The bars must be made in combination, ie, have a central part of large-grained tungsten marble VT-50 or BT-15 and a coating of pure tungsten.
1.2.1. The chemical composition of the central part of bars BT15 and VT50 should comply with TU 48−19−59−87.
1.3. The dimensions of the bars and the maximum deviations from them must meet the following requirements.
| Outside diameter, mm | Tolerance, mm | Outside diameter, mm | Tolerance, mm | Length, mm |
| 10.25 | ± 0.25 | 6.0 | ± 1.0 | 200 |
| 10.5 | ± 0.25 | 6.0 | ± 1.0 | 200 |
| 12.5 | ± 0.3 | 6.0 | ± 1.0 | — «--- |
| 14.0 | ± 0.25 | 6.0 | ± 1.0 | 200 |
| 15.0 | ± 0.25 | 6.0 | ± 1.0 | — «--- |
Supplier Avlob offers to buy a tungsten rod for the electrodes of xenon lamps. at a bargain price. Full compliance Tu 48−19−320−91. The price is the best in this segment of rental.
1.4. The presence of oxides, traces of forging, burrs and scales on the surface of the bars of the film within the limits of tolerable deviations is not a sign of marriage.1.5. The bars must be straight. The deviation from straightness should not exceed 1% of the measured length of the rod.
1.6. The degree of reduction of the central part of the rod should be at least 60%.
1.7. The density of the bars should be not less than 18.2 g / cm 3.
Storage
In closed warehouses or under a canopy, where according to Tu 48−19−320−91, adequate protection against mechanical and other damages is provided.
Delivery, price
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