Designation
| Name |
The value |
| Designation GOST Cyrillic |
10Х12НД |
| Designation GOST Latin |
10X12HD |
| Transliteration |
10H12ND |
| By chemical elements |
10Cr12НCu |
| Name |
The value |
| Designation GOST Cyrillic |
0Х12НД |
| Designation GOST Latin |
0X12HD |
| Transliteration |
0H12ND |
| By chemical elements |
0Cr12НCu |
Description
10Х12НД steel is used: for the manufacture of forgings of various parts of General machinery; parts of hydraulic turbines.
Note
Corrosion-resistant martensitic-ferritic class.
Standards
| Name |
Code |
Standards |
| Processing of metals by pressure. Forgings |
В03 |
TU 108.11.917-87 |
| Sheets and strips |
В33 |
TU 108.1273-84 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Cu |
| TU 108.11.917-87 |
≤0.1 |
≤0.025 |
≤0.03 |
0.3-0.6 |
12-13.5 |
≤0.4 |
1.1-1.5 |
Rest |
0.8-1.1 |
Fe is the basis.
According to TU 108.1273-84, deviations are allowed: for silicon + 0.10%, for manganese ± 0.10%, for chromium -0.20%, for nickel ± 0.10%, for copper ± 0.10%.
Mechanical properties
| sT|s0,2, MPa |
σU, MPa |
d5, % |
y, % |
KCU, kJ/m2 |
| The sheets in the delivery condition on the other 108.1273-84 |
| ≥490 |
≥637 |
≥14 |
≥30 |
≥392 |
Description mechanical marks
| Name |
Description |
| sT|s0,2 |
Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2% |
| σU |
Limit short-term strength |
| d5 |
Elongation after rupture |
| y |
The relative narrowing |
| KCU |
Toughness |
