Tu 48-19-273-91. Rods, forgings and sheets of molybdenum alloy Tsm-2a. Technical conditions.
You are interested in TU 48−19−273−91 «Rods, forgings and sheets of molybdenum alloy of the mark ЦМ-2А. Specifications «from the supplier company AvecGlob? Here you will find interesting information on this topic
Application area
These technical specifications apply to sheet and bulk metal products made of molybdenum alloy ЦМ-2А, which is produced using vacuum remelting technology. Bars, forgings and sheets are designed for manufacturing parts and products for various purposes.
Technical specifications
The chemical composition of bars, forgings and sheets must meet the requirements specified in the table:
| Name of components | Mass fraction,% |
| Alloying components | |
| Titanium | 0.07−0.30 |
| Zirconium | 0.07−0.15 |
| Detected impurities | |
| Carbon, not more than | 0.004 |
| Molybdenum | The basis |
The mass fraction of molybdenum is undetectable impurities, the presence of which in the alloy does not worsen its consumer properties
The dimensions of rods and forgings must meet the requirements specified in the table.
| product name | Diameter / Size | Length, mm | |
| Nominal, mm | Prev off | ||
| Molybdenum rods after grinding | from 8.0 to 8.9 through 0.3 | -0.30 | from 100 to 1000 |
| from 9.0 to 13.5 in 0.5 | -0.40 | from 100 to 1000 | |
| from 14.0 to 16.0 through 1.0 | -0.60 | from 100 to 1000 | |
| Turned rods | from 17.0 to 20.0 through 1.0 | ± 0.40 | from 100 to 500 |
| from 21.0 to 30.0 through 1.0 | ± 0.40 | from 100 to 500 | |
| from 31.0 to 50.0 through 1.0 | ± 0.60 | from 100 to 500 | |
| from 51.0 to 60.0 through 1.0 | ± 0.80 | from 100 to 500 | |
| Unbunded bars | from 8.0 to 10.8 in 0.2 | ± 0.10 | from 150 to 1000 |
| from 11.0 to 19.0 in 0.2 | ± 0.20 | from 150 to 1000 | |
| from 20.0 to 28.0 through 2.0 | ± 1.50 | from 150 to 1000 | |
| from 30.0 to 60.0 through 2.0 | ± 2.00 | from 150 to 1000 | |
| Forgings | from 65.0 to 100.0 through 5.0 | +5.0 | not less than 150 |
| from 105.0 to 150.0 through 5.0 | +7.0 | not less than 100 | |
| from 155.0 to 180.0 through 5.0 | +10.0 | not less than 50 | |
As agreed by the parties, rods and forgings may be supplied with other nominal diameters and marginal deviations. As agreed by the parties, rods and forgings of dimensional length may be delivered with maximum deviations of ± 10.0 mm in length.
The dimensions of the sheets must meet the requirements specified in the table
| Thickness | Width, mm | |
| Nominal, mm | Prev off | |
| 0.8 | ± 0.10 | from 100 to 300 |
| from 1.0 to 2.1 through 0.1 | +0.20 -0.10 |
from 100 to 400 |
| from 2,2 to 3,4 through 0,2 | +0.30 -0.10 |
from 100 to 400 |
| from 3,5 to 6,0 in 0,5 | + 0.50 -0.20 |
from 100 to 400 |
| from 6.5 to 10.0 in 0.5 | ± 0.50 | from 100 to 300 |
| from 11.0 to 20.0 through 1.0 | ± 1.0 | from 100 to 200 |
Supplier — AvecGlob Company — offers at reasonable prices from the manufacturer bars, sheets and forgings made of molybdenum brand ЦМ-2А, which meet the requirements of TU 48−19−273−91. The supplier guarantees the timely delivery of products to any address specified by the consumer.
Delivery conditions and mechanical characteristics
Delivery of sheets is made with the maximum deviations in width and length ± 10,0 mm. As agreed by the parties, sheets with other nominal sizes and marginal deviations are allowed. As agreed by the parties, dimensional sheets of length and width with tolerance deviations of ± 15.0 mm are allowed.
The ends of the bars and the edges of the sheets must be cut off. The surface of rods, forgings and sheets must meet the following requirements:
- On the surface of polished rods cracks and contamination are not allowed. Risks, scratches, traces of abrasive stripping, which do not lead to the dimensions of polished rods beyond the limits of tolerated deviations, are not signs of rejection;
- Uncured cracks and dirt are not allowed on the surface of turned rods. Fingerprints, risks, scratches, traces of abrasive stripping that do not take out the dimensions of the turned rods beyond the limits of tolerable deviations, are not signs of rejection;
- On the surface of non-treated rods and forgings, fractures after forging are not allowed. Scale residues, impurities, prints, risks, scratches, abrasive scraping traces that do not take out the dimensions of unprocessed rods and forgings beyond the tolerated tolerances, are not signs of rejection;
- On the surface of the sheets, cracks, stratifications and extraneous inclusions are not allowed. Roll-up prints, depressed shells, traces of abrasive stripping, not taking out the thickness of the sheets beyond the tolerances allowed, as well as ripples, etching, contamination spots, scratches and discoloration are not signs of rejection. The surface of the sheets should be etched;
- The bars, forgings and sheets must be delivered in an unannealed state. In agreement with the manufacturer, sheets with a thickness of 0.8 mm can be supplied in annealed condition;
- Sheet metal thickness 1.0… 6.0 mm should not have internal delaminations;
- The deviation from flatness along the rolling direction should not be more than 10.0% of the length of the sheets. The deviation from flatness across the rolling direction should not be more than 5.0% of the width of the sheets;
- The mechanical properties of sheets 1.0… 2.0 mm thick and of bars with a diameter of 8.0… 30.0 mm should meet the requirements specified in the table:
| Product name and size | Temporary resistance, MPa | Relative extension after rupture,%, not less than |
| Sheets thick: | ||
| from 1.0 to 2.0 mm | not less than 686 | 15.0 |
| Bars with a diameter: | ||
| from 8.0 to 14.0 mm | 666… 960 | 14.0 |
| from 15.0 to 30.0 mm | 631… 931 | 14.0 |
The mechanical properties of sheets with a thickness of 0.8 mm after annealing must meet the following requirements:
temporary resistance — 686… 1078 MPa;
the relative elongation is not less than 10.0%.
Supplier — AvekGlob Company — offers to buy sheet and bulk rolled molybdenum, as well as forgings, which comply with the norms of TU 48−19−273−91. Products can be bought at a price formed on the basis of European and world standards of production. Implementation is possible in bulk and retail, for regular customers, a flexible system of discounts operates.