TU 48-19-527-91. Electrodes tungsten welding non-consumable marks of EVC and EVL-2. Technical conditions.
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Scope of application TU 48−19−527−91
This standard regulates the general requirements for the production of tungsten welding electrodes. EHV and EVL-2 with activating additive of lanthanum oxide, intended for arc welding, cutting, surfacing and sputtering in an inert gas environment. Chemical analysis, tensile tests and hardness tests must be carried out in accordance with the relevant standards.
Bibliography
| Type of standard | Standards for products (services) |
| Date of implementation | 01/01/1992 year |
| Approved by | Interstate Council for Standardization, Metrology and Certification |
| Original language | Russian |
| Title in English | Manufacture of tungsten welding electrodes of non-consumable. Technical specifications |
| CSC codes | B05 |
| Number of pages | 17th |
Electrode parameters
| Electrode type | Diameter, mm | The limit. deviations |
Length, mm | The limit. deviations |
| EEC | 1.0 | ± 0.1 | 75; 150; 200 | ± 2.0 |
| 1.6 | ||||
| 2.0 | ||||
| 2.5 | ||||
| 3.0 | ||||
| 4.0 | ||||
| 5.0 | ± 0.2 | |||
| 6.0 | ||||
| 8.0 | ||||
| EVL-2 | 1.0 | ± 0.1 | 75; 150; 200 | ± 2.0 |
| 1.6 | ||||
| 2.0 | ||||
| 2.5 | ||||
| 3.0 | ||||
| 4.0 | ||||
| 5.0 | ± 0.2 | |||
| 6.0 |
Delivery, price
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