That 48-19-57-91. Tungsten metal of high purity. Specifications.
1. Technical requirements
1.1. Metallic tungsten of high purity shall conform to the requirements of this specification.
- ½ / Grade HPV come in the form of powder;
- brand SUCH be produced in the form shtabikov with a side section (11±1) mm and length not less than 300 mm.
1.3. Chemical composition of tungsten must meet the following requirements
|Components||Grade HPV||Brand SUCH|
1.4. On the surface shtabikov are not allowed color of a tint and oil stains. Sinks, cracks, russley rejection symptom are not.
1.5. Deviation from straightness should not be more than 3 mm on a length of rod billet. It is possible to supply 20% shtabikov in the party, having a deviation from straightness up to 4 mm.
|The title in Russian||Tungsten metal of high purity|
|Date of the enactment of||01.01.1992|
|The model designation||ТУ48 19 57 78|
|The number of pages||16|
STANDARD THAT 48−19−57−91 INCLUDED under the HEADING CLASSIFIER: KGS \ Metals and metal products \ non-ferrous metals and their alloys. Rental, non-ferrous \ non-ferrous metals, including rare, and their alloys \
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