Steel 10Х12НД (0Х12НД)

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