Tu 48-19-76-90. Tungsten metal for metallurgical purposes. Technical specifications.
1. technical requirements
1.1 Metal tungsten must comply with the requirements of these technical specifications.
1.2 Dimensions:
| Product Type | The side of the section or diameter, mm | Length, mm |
|---|---|---|
| Rods | from 7 to 20- | not less 300 |
| Plates | not more than 16x80 | not less 300 |
| Pieces | not more than 35x40 | 10-150 |
- Notes
- Pieces with the sizes within 16x16x150 mm are allowed in the supply party up to 5% of the batch weight of stacks (plates).
- Delivery of stubi with a side cross-section more than 20 mm in length more than 300 mm.
Chemical composition of rods, plates and pieces:
| Name of components | Mass fraction, %, max |
|---|---|
| Iron and aluminum (total) | 0,3 |
| Phosphorus | 0,005 |
| Sulfur | 0,008 |
| Silicon | 0,04 |
| Carbon | 0,015 |
| Lead | 0,0001 |
| Zinc | 0,002 |
| Tin | 0,0003 |
| Antimony | 0,001 |
| Arsenic | 0,001 |
| Copper | 0,002 |
| Cadmium | 0,0001 |
| Bismuth | 0,0001 |
| Molybdenum | 0,3 |
| Oxygen | 0,003 |
| Hydrogen | 0,0007 |
| W | basis |
Note: The content of oxygen up to 0,025% and hydrogen up to 0,001% is allowed in the areas located at a distance of not more than 40 mm from the end of the stack.
1.4 Chips, melting, cracks, oxidation traces on the surface of rods, plates and pieces are not a rejection feature.
1.5 Pieces and plates shall be welded to a density of not less than 17.4 g/cm3.
1.6 The density of pieces shall not be less than 17.0 g/cm3.
BIBLIOGRAPHY
| Designation | TU 48-19-76-90 |
| Title in Russian | Tungsten metal for metallurgical purposes |
| Date of putting into action | 01.07.1990 |
| CGS codes | В51 |
| Designation of the substituted | TU48-19-76-81 |
| Number of pages | 30 |
STANDARD TU 48-19-76-90 ENTERED IN CLASSIFICATOR: CGS \ Metals and Metal Products \ Non-ferrous metals and their alloys. Rolled nonferrous metals \ Non-ferrous metals, including rare metals and their alloys \
Supplier
We offer to buy tungsten metal for metallurgical purposes from specialized warehouses of the supplier Evek GmbH with delivery in any city. Full compliance with TU 48-19-76-90. Supplier Evek GmbH offers to buy tungsten metal for metallurgical purposes TU 48-19-76-90, the price is optimal in this segment of rolled steel.
Buy, bargain price
Supplier Evek GmbH offers to buy heat-resistant rolled steel, the price - is determined by the technological features of production without the inclusion of additional costs. The company's website displays information on the latest arrivals of products. We have the best price-quality ratio for heat-resistant metals. In the segment of rare and refractory metals, Evek GmbH is a profitable supplier.
