GOST 23949-80. Welded tungsten welding electrodes. Technical conditions.
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Scope of application GOST 23949−80
This standard regulates the general requirements for the production of an electrode of tungsten welding non-consumable with additives of thorium oxide, lanthanum, yttrium oxide. Finished products must meet mechanical requirements, including tensile strength, yield strength, elongation, etc. Chemical analysis, tensile tests and hardness tests must be carried out in accordance with relevant standards.
Bibliography
| Type of standard | Standards for products (services) |
| Date of implementation | 01/18/1981 No. 217 |
| Approved by | Interstate Council for Standardization, Metrology and Certification |
| Original language | Russian |
| Title in English | Electrode tungsten welding non-melting Specifications |
| ISS code |
25.160.20 |
| OKP code | 18.537.0000 |
| Number of pages | 8 |
Electrode dimensions and limit deviations
| Make | Nominal diameter | Limit Deviation | Length |
|---|---|---|---|
| EEC | 0.5 | ± 0.2 | At least 3000 in coils |
| 1.0; 1.6; 2.0; 2.5 | ± 0.1 | 75 ± 1; 150 ± 1 | |
| 3.0; 4.0; 5.0; 6.0; 8.0; 10.0 | ± 0.2 | 200 ± 2; 300 ± 2 | |
| EVL | 1.0; 1.6; 2.0; 2.5; 3.0; 4.0 | ± 0.1 | 75 ± 1; 150 ± 1; 200 ± 2; 300 ± 2 |
| 5.0; 6.0; 8.0; 10.0 | ± 0.2 | ||
| EVI-1 | 2.0; 3.0; 4.0; 5.0; 6.0 | ± 0.1 | 75 ± 1; 150 ± 1; 200 ± 2; 300 ± 2 |
| 8.0; 10.0 | ± 0.2 | ||
| EVI-2 EVI-3 |
2.0; 3.0; 4.0; 5.0; 6.0; 8.0; 10.0 | ± 0.15 | 75 ± 1; 150 ± 1; 200 ± 2; 300 ± 2 |
| EVT-15 | 2.0; 3.0; 4.0; 5.0; 6.0; 8.0; 10.0 | ± 0.15 | 75 ± 1; 150 ± 1; 200 ± 2; 300 ± 2 |
Delivery, price
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