Designation by Standards
| Steel No. | DIN | EN | AISI |
| 1.4938 | X11CrNiMoN12 † | X12CrNiMoV12-3 | - |
Chemical Composition (in weight %)
| C | Si | Mn | Cr | Mo | Ni | V | W | Others |
| 0.11 | 0.18 | 0.70 | 11.75 | 1.75 | 2.50 | 0.33 | - | - |
Description
High strength steel with good oxidation resistance.
Applications
Special purpose steel.
Physical properties (avarage values) at ambient temperature
Modulus of elasticity [103 x N/mm2]: 200
Density [g/cm3]: 7.7
Thermal conductivity [W/m.K]: 29.0
Electric resistivity [Ohm mm2/m]: 0.86
Specific heat capacity[J/g.K]: 0.46.
Magnetisable: Yes
Annealing
Temperature: 660-690oC.
Hardening
Temperature: 1035-1065oC, oil.
Tempering
Ageing I: 640-690oC. Ageing II: 590-640oC.
Mechanical properties at at ambient temperature
Condition: Hardened and tempered
0.2% proof stress: 760 N/mm2
Tensile strength: 930 N/mm2
Elongation: min. 14%
Reduction: min. 40%
Forging
Hot forming temperature: 1150-900oC.
Machinability
No data.
Remark
All technical information is for reference only.