France · AFNOR NF
1.4462
NF EN 10250-4
Chemical composition
wt% · log scale- min – max range
- typical value
Mechanical properties
value range by conditionHigh / low temperature
value vs. temperature- forgings Solution annealed · Yield strength Rp0.2
Physical properties
vs. temperatureChemical composition
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| C | 0.03 | |||
| Cr | 21 | 23 | ||
| Mn | 2 | |||
| Mo | 2.5 | 3.5 | ||
| N | 0.1 | 0.22 | ||
| Ni | 4.5 | 6.5 | ||
| P | 0.035 | |||
| S | 0.015 | |||
| Si | 1 |
Mechanical properties
| Heat treatment / condition | Yield strength | Tensile strength | Elongation | Reduction of area | Impact energy | Hardness |
|---|---|---|---|---|---|---|
| die forgings, forgings, Solution annealed, <= 350 mm, forged bars | 450 | 650 880.00 | 20；25 | 60；100 |
Physical properties
20.0
| Elastic modulus | Mean thermal expansion | Thermal conductivity | Specific heat | Resistivity | Density | Poisson's ratio |
|---|---|---|---|---|---|---|
| 200.00；205.00 | 15.00 | 500.00 | 0.80 | 7.80 |
Typical physical values
| Density | Elastic modulus | Poisson's ratio | Remarks |
|---|---|---|---|
| 7.61–8.10 | 190.00–215.00 | 0.27–0.30 | Typical material properties for stainless steel. These values are not taken from the standard; they are indicative and must not be used for design. |
| 7.86 | 190.00–210.00 | 0.27–0.30 | Material properties for low-carbon, high-alloy steel. These values are not taken from the standard; they are indicative and must not be used for design. |
High/low temperature
| Condition | Temperature ℃ | min |
|---|---|---|
| forgings Solution annealed | 250 | 300 |
| forgings Solution annealed | 200 | 315 |
| forgings Solution annealed | 150 | 335 |
| forgings Solution annealed | 100 | 360 |
Similar grades
| Grade | Region | System |
|---|---|---|
| 4462-318-03-I | International standard | ISO |
| 1.4462 |  Italy | UNI |
| X 2 CrNiMoN 22 5 3 | Italy | UNI |
| 1.4462 |  Spain | UNE |
| X 2 CrNiMoN 22 5 3 | Spain | UNE |
| 1.4462 |  Romania | STAS |
| X 2 CrNiMoN 22 5 3 | Romania | STAS |
| 1.4462 |  Sweden | SS |
| X 2 CrNiMoN 22 5 3 | Sweden | SS |
| 1.4462 |  Switzerland | SNV |
| X 2 CrNiMoN 22 5 3 | Switzerland | SNV |
| 1.4462 |  Finland | SFS |
| X 2 CrNiMoN 22 5 3 | Finland | SFS |
| 1.4462 |  Poland | PN |
| X 2 CrNiMoN 22 5 3 | Poland | PN |
| 1.4462 |  Austria | ONORM |
| X 2 CrNiMoN 22 5 3 | Austria | ONORM |
| 1.4462 |  Norway | NS |
| X 2 CrNiMoN 22 5 3 | Norway | NS |
| 1.4462 |  Belgium | NBN |
| X 2 CrNiMoN 22 5 3 | Belgium | NBN |
| 1.4462 |  Hungary | MSZ |
| X 2 CrNiMoN 22 5 3 | Hungary | MSZ |
| 1.4462 | Czech Republic | CSN |
| X 2 CrNiMoN 22 5 3 | Czech Republic | CSN |
| 1.4462 | Bulgaria | BDS |
| X 2 CrNiMoN 22 5 3 | Bulgaria | BDS |
| 1.4462 |  United Kingdom | B.S. |
| X 2 CrNiMoN 22 5 3 | United Kingdom | B.S. |
| X 2 CrNiMoN 22 5 3 | France | AFNOR NF |
| X 2 CrNiMoN 22 5 3 |  Germany | DIN |
| 1.4462 | Germany | DIN |