GOST 25-20Л
2014-03-03 17:24:40 Print this pageThe high quality Russia GOST 25-20Л material is one of the more steel grades we supply, Russia TY standard grades and chemical compositions of the high temperature alloy castings. 25-20Л is our main production grade, which has been approved by customers in many countries since its initial production, including our 25-20Л round bars, flat bar, forgings, fasteners, tubes, wires, strips, sheets & Plates, as well as a variety of profiles, professional high precision auto-lathe processing manufacturer of clinching fasteners, axes, standoffs, screws, studs, nuts, bolt, OEM parts and special shaped turning partsthe state of delivery includes quenched and tempered, annealed, machined semi-finished products, we also have strict management of the packaging, to avoid material damage from transportation. We are the best supplier of 25-20Л materials, and we are willing to develop together with customers from all over the world.
Also includes 25-20Л steel material norm, chemical composition, mechanical properties, datasheet, 25-20Л equivalent, heat treatment and temperature process of 25-20Л, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in 25-20Л this steel grade have a more comprehensive understanding, Download the full 25-20Л PDF version of this datasheet.
Chemical composition (wt.%) of 25-20Л
| Elements | Min.（≥） | Max.（≤） |
|---|---|---|
| C | - | 0.18 |
| Cr | 22.00 | 26.00 |
| Al | - | - |
| Mo | - | - |
| Ti | - | - |
| Co | - | - |
| W | - | - |
| Ni | 17.00 | 21.00 |
| Nb | - | - |
| Fe | - | - |
| B | - | - |
| Ce | - | - |
| V | - | - |
| Zr | - | - |
| Mn | 0.70 | 1.50 |
| Si | 0.80 | 2.00 |
| S | - | 0.025 |
| P | - | 0.025 |
Mechanical Properties of 25-20Л
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 258 (≥) | 695 (≥) | 22 | 21 | 41 | Solution & Aging, Ann, Ausaging, Q+T | 234 |