France · AFNOR NF
1.4848
NF EN 10295:2002 — NF EN 10295
Chemical composition
wt% · log scale- min – max range
- typical value
Mechanical properties
value range by conditionPhysical properties
vs. temperatureCreep properties
- 100.0h
- 1000.0h
Temperature °C · time at rupture
Chemical composition
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| C | 0.3 | 0.5 | ||
| Cr | 24 | 27 | ||
| Mn | 2 | |||
| Mo | 0.5 | |||
| Ni | 19 | 22 | ||
| P | 0.04 | |||
| S | 0.03 | |||
| Si | 1 | 2.5 |
Mechanical properties
| Heat treatment / condition | Yield strength | Tensile strength | Elongation | Reduction of area | Impact energy | Hardness |
|---|---|---|---|---|---|---|
| castings, not heat treated | ≥220 | ≥450 | ≥8 |
Physical properties
20.0
| Elastic modulus | Mean thermal expansion | Thermal conductivity | Specific heat | Resistivity | Density | Poisson's ratio |
|---|---|---|---|---|---|---|
| 14.60 | 500.00 | 7.80 |
Typical physical values
| Density | Elastic modulus | Poisson's ratio | Remarks |
|---|---|---|---|
| 7.80 | 200.00–207.00 | 0.27–0.30 | Typical properties for medium-carbon high-alloy steel. These values are not taken from the standard; they are indicative and must not be used for design. |
Creep
| Temperature ℃ | Time h | Rp1 | CRS |
|---|---|---|---|
| 700 | 100.0h | 100.0 | |
| 700 | 1000.0h | 80.0 | |
| 700 | 10000.0h | 65.0 | |
| 800 | 100.0h | 75.0 | |
| 800 | 1000.0h | 50.0 | |
| 800 | 10000.0h | 36.0 | |
| 900 | 100.0h | 47.0 | |
| 900 | 1000.0h | 28.0 | |
| 900 | 10000.0h | 17.0 | |
| 1000 | 100.0h | 28.0 | |
| 1000 | 1000.0h | 16.0 | |
| 1000 | 10000.0h | 7.0 | |
| 1100 | 100.0h | 12.0 | |
| 1100 | 1000.0h | 6.0 | |
| 1100 | 10000.0h | 2.5 |
Similar grades
| Grade | Region | System |
|---|---|---|
| 1.4848 |  Italy | UNI |
| GX40CrNiSi25-20 | Italy | UNI |
| 1.4848 |  Spain | UNE |
| GX40CrNiSi25-20 | Spain | UNE |
| 1.4848 |  Romania | STAS |
| GX40CrNiSi25-20 | Romania | STAS |
| 1.4848 |  Sweden | SS |
| GX40CrNiSi25-20 | Sweden | SS |
| 1.4848 |  Switzerland | SNV |
| GX40CrNiSi25-20 | Switzerland | SNV |
| 1.4848 |  Finland | SFS |
| GX40CrNiSi25-20 | Finland | SFS |
| 1.4848 |  Poland | PN |
| GX40CrNiSi25-20 | Poland | PN |
| 1.4848 |  Austria | ONORM |
| GX40CrNiSi25-20 | Austria | ONORM |
| 1.4848 |  Norway | NS |
| GX40CrNiSi25-20 | Norway | NS |
| 1.4848 |  Belgium | NBN |
| GX40CrNiSi25-20 | Belgium | NBN |
| 1.4848 |  Hungary | MSZ |
| GX40CrNiSi25-20 | Hungary | MSZ |
| 1.4848 | Czech Republic | CSN |
| GX40CrNiSi25-20 | Czech Republic | CSN |
| 1.4848 | Bulgaria | BDS |
| GX40CrNiSi25-20 | Bulgaria | BDS |
| 1.4848 |  United Kingdom | B.S. |
| GX40CrNiSi25-20 | United Kingdom | B.S. |
| GX40CrNiSi25-20 | France | AFNOR NF |
| GX40CrNiSi25-20 |  Germany | DIN |
| 1.4848 | Germany | DIN |