21NКМТ - ВЭС130 sheet, round, wire
International Equivalent
| Mark | Analogue | W. Nr. | Aisi Uns | En | Order |
|---|---|---|---|---|---|
| 21NKMT | VES130 | Delivery from the stock, in stock |
The production and use of
Binarna martensitic-austenitic steel grade 21НКМТ-VI is smelted by vacuum induction method according to the 14−1-5366−98. It is used for the production of elastic and sensitive elements having complex shapes, as well as gimbals, gyros and rotors. Due to the alloying elements, the surface of the material when in contact with atmospheric air is covered by a solid film of oxide nature, which protects the product from harmful influence of moisture and aggressive environment. Nickel gives the composition ductility, molybdenum and cobalt — elasticity and heat resistance. Additives of silicon and manganese increase the technological quality of the material.
Percentage composition
| Al | C | Co | Cr | Fe | Mn | Mo | Ni | P | S | Si | Ti | Y |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ≤0,2 | ≤0,03 | 8,5−9,5 | ≤0.3 mm | DOS. | ≤0,1 | 4.5 to 5.5 | 20,5−21,5 | ≤0,01 | ≤0,01 | ≤0,1 | 0,6−0,9 | Calc. 0,01 |
Physico-mechanical characteristics at 20 °C
(precision after heat treatment)
| TU | Product | σв N/mm2 | σ0,2 N/mm2 | σ0,005 N/mm2 | δ5, % | Temperature coefficient of frequency 106, K-1 |
|---|---|---|---|---|---|---|
| THAT 14−1-5366−98 | Rod, sheet | 1400−1800 | 1300−1700 | 1000−1400 | 6−8 | ±10 |
Steel 21НКМТ-VI 1.5−2 times superior to elasticity and strength of standard austenitic alloys, for example 45НХТ or MAS-22. High mechanical and binarnye quality are achieved not only in small (to 10 mm), but in large cross-sections (100 mm) without the use of cold deformation.
Supply
Entire rental brand 21НКМТ-VI certified. In the technical documentation included data on chemical composition, limiting the percentage of impurities; mechanical qualities of the products. We can buy in bulk any semi-finished products for large-scale production. We also offer optimal conditions for retail customers. A high level
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