Circle, wire, tube 42H - alloy 42
Technical characteristics
Precision alloy based on iron and nickel. It is used in electric vacuum technology for soldering of electric contacts with glass. TKR*1000000 in the temperature range from -70 to +340 ºC does not exceed 4.5-5.5 [1/ºC]
Percentage composition
| Fe | C | Si | Mn | Ni | S | P | Cu |
|---|---|---|---|---|---|---|---|
| 56.14 - 58.5 | ≤0.03 | ≤0.3 | ≤0.4 | 41.5 - 43 | ≤0.015 | ≤ 0.015 | ≤0.1 |
Mechanical properties (t 20°C)
| Range | Size | s in | sT | d5 | Heat treatment |
|---|---|---|---|---|---|
| - | mm | MPa | MPa | % | - |
| 450-550 | Annealing |
Physical properties (t 20°C)
| E 10- 5 | a 10 6 | Specific gravity | C | R 10 9 |
|---|---|---|---|---|
| MPa | 1/Grad | g/cm3 | J/(kg-grad) | Ohm-m |
| 1.42 | 8,20 | 580 |
Application
Manufacturing of instrument parts sensitive to temperature changes in sensors. Manufacturing of instrument parts requiring dimensional constancy in the range of climatic temperatures.
Standardization
| GOST | Range |
|---|---|
| 10994-74 | Precision alloys. |
| 14081-78 | Precision wire with a given temperature coefficient of linear expansion. |
| 14082-78 | Steels and sheets with a given TKLR |
| 14080-78 | Tape with specified TKHR |
Supplier
We offer to buy 42H rounds, wires, tubes from specialized warehouses of the supplier Evek GmbH with delivery in any city. Full compliance with GOST and international quality standards. The supplier Evek GmbH offers to buy circle, wire, tube 42H, price - optimal.
Buy, bargain price.
We offer precision circle, wire, tube 42H, the price - due to the technological features of production without the inclusion of additional costs. On the site of the company displays information about the latest arrivals of products. It is possible to order rolled steel of non-standard parameters. We have the best price-quality ratio for the whole range of products. In the precision alloys segment Evek GmbH is a profitable supplier.