That 48-19-27-88. Tungsten antoninovna in the form of bars. Specifications.
|The title in Russian||Tungsten antoninovna in the form of bars|
|Date of the enactment of||01.06.1988|
|The model designation||ТУ48−19−27−77|
|The number of pages||20|
These specifications apply to the rod of tungsten doped with lanthanum for welding and cutting of metals. The technical requirements conform to the highest quality category.
|OKP code||Bar diameter, mm|
|18 5373 4051||from 1.0 to 1.9|
|18 5373 4301||from 2.0 to 2.8|
|18 5373 4091||from 3.0 to 4.8|
|18 5373 4101||from 5.0 to 10.0|
1. Technical requirements
The parameters of the rod and the permissible deviations.
|Diameter, mm||Limit deviation of diameter, %||Length, not less, mm|
|from 1.0 to 1.9 with an interval of 0.1||± 2,0||600|
|from 2.0 to 4.8 same as 0.2||± 2,0||400|
|from 5.0 to 10.0 «0,5||± 2,0||150|
- Bars with a diameter of 2, 8 mm and less are supplied tanitimi, over 2.8 mm — forged.
- By agreement with consumer it is permitted to supply rod with a diameter of from 5 to 10 mm in length not less than 70 mm.
|The component name||Mass fraction, %|
|Sum of impurities: iron, aluminum, molybdenum, silicon, not more than||0,04|
|Oxide of lanthanum||0,85 — 1,1|
1.5. The surface must be free of cracks. The presence of surface tint, plaque, films of oxides, burrs and traces of forging, if it does not take the diameter of the allowable deviation rejection symptom are not.
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To buy, best price
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