Tu 48-19-57-91. Tungsten metal of high purity. Technical specifications.

Tu 48-19-106-91
TU 48-19-270-85
Tu 48-19-57-91
Tu 48-19-76-90
Tu 24.4-33338597-007:2015

1. technical requirements
1.1 High-purity metal tungsten must comply with the requirements of these specifications.

  • ½/ grade PVCH available in powder form;
  • grade SHF shall be available in the form of rods with a side cross-section of (11±1) mm and a length of not less than 300 mm.

1.3 The chemical composition of tungsten must comply with the following requirements,

Components PMT grade SFM grade
Silicon 0,002 0,002
Phosphor 0,0035 0,0035
Sulphur 0,0035 0,0035
Carbon 0,007 0,007
Arsenic 0,001 0,001
Magnesium 0,001 0,001
Iron 0,005 0,005
Aluminum 0,001 0,001
Tin 0,0001 0,0001
Lead 0,00001 0,00010
Cadmium 0,0001 0,0001
Bismuth 0,00010 0,00010
Copper 0,001 0,001
Zinc 0,001 0,001
Oxygen - 0,003
Nitrogen - 0,003
Hydrogen - 0,0005
W basis basis

1.4 The surface of the rods are not allowed to have discoloration colors and oil stains. Shells, cracks, splintering are not a defective feature. 1.5.
1.5 Deviation from the straightness shall not be more than 3 mm on the length of the stack. Delivery of 20% of racks in the party, having deviations from straightness up to 4 mm is allowed.

BIBLIOGRAPHY

Designation TU 48-19-57-91
Title in Russian High-purity tungsten metal
Date of putting into action 01.01.1992
CGS codes В51
Designation of the substituted TU48 19 57 78
Number of pages 16

STANDARD TU 48-19-57-91 ENTERED IN CLASSIFICATORIES: 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 high purity tungsten metal from specialized warehouses of the supplier Evek GmbH with delivery in any city. Full compliance with TU 48-19-57-91. Supplier Evek GmbH offers to buy high purity tungsten metal TU 48-19-57-91, the price is optimal in this segment of metal rolling. Timely delivery is provided by representative offices in Eastern European cities.

Buy, bargain price

Supplier Evek GmbH offers to buy heat-resistant rolled steel, the price - 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.