Steel 06Х12НЗД

Designation

Name The value
Designation GOST Cyrillic 06Х12Н3Д
Designation GOST Latin 06X12H3D
Transliteration 06H12N3D
By chemical elements 06Cr12Н3Cu

Description

06Х12НЗД steel is used: for the production of sheets of 25−250 mm, sheet metal, stamped and bent blanks, used for manufacturing components of products of hydrocarbonate (blades, rims and other parts of hydraulic turbines, steam turbines, and exhaust).

Note

Corrosion resistant low alloy carbon steel.

Standards

Name Code Standards
Blanks. Of the workpiece. Slabs В31 TU 108.11.891-87

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu
TU 108.11.891-87 ≤0.06 ≤0.025 ≤0.025 ≤0.6 12-13.5 ≤0.3 2.8-3.2 Rest 0.8-1.1
Fe is the basis.
According to TU 108.11.891-87, deviations in chemical composition are allowed: for silicon + 0.20%, for chromium -0.20%, for nickel ± 0.10%, for copper ± 0.10%.

Mechanical properties

Section, mm sT|s0,2, MPa σU, MPa d5, % y, % KCU, kJ/m2 HB, MPa
The workpiece is pressed in the state of delivery on the other 108.11.891-87. The transverse samples. The graph indicates the value of KCU KCU/KCV
25-250 538-785 ≥637 ≥14 ≥35 ≥490/294 207-293

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
HB Brinell hardness number