Designation
Name |
The value |
Designation GOST Cyrillic |
16Х3МФЛ |
Designation GOST Latin |
16X3MFL |
Transliteration |
16H3MFL |
By chemical elements |
16Cr3MoV |
Description
16Х3МФЛ steel is used: for the manufacture of castings of parts of stationary steam turbines operating at temperatures up to +350 °C and pressures up to 0.4 MPa.
Standards
Name |
Code |
Standards |
Castings with special properties (iron and steel) |
В83 |
OST 108.961.02-79 |
Chemical composition
Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Cu |
V |
Mo |
OST 108.961.02-79 |
0.15-0.2 |
≤0.025 |
≤0.025 |
0.6-0.9 |
2.5-3 |
0.2-0.4 |
≤0.3 |
Rest |
≤0.3 |
0.15-0.3 |
0.45-0.65 |
Fe is the basis.
Mechanical properties
Section, mm |
sT|s0,2, MPa |
σU, MPa |
d |
y, % |
KCU, kJ/m2 |
HB, MPa |
Casting parts stationary steam turbines. Homogenization (normalization) at 1000-1030 °C + normalization at 970-1000 °C + vacation at 700-720 °C, air cooling |
150х170 |
430-550 |
≥600 |
≥14 |
≥35 |
≥392 |
160-220 |
100х150 |
430-550 |
≥600 |
≥14 |
≥35 |
≥392 |
160-220 |
60х150 |
430-550 |
≥600 |
≥14 |
≥35 |
≥392 |
160-220 |
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 |
d |
Elongation after rupture |
y |
The relative narrowing |
KCU |
Toughness |
HB |
Brinell hardness number |