Designation
Name |
The value |
Designation GOST Cyrillic |
07Х24Н8М2Д3Л |
Designation GOST Latin |
07X24H8M2D3L |
Transliteration |
07H24N8M2D3L |
By chemical elements |
07Cr24Н8Mo2Cu3 |
Name |
The value |
Designation GOST Cyrillic |
ВКЛ-1 |
Designation GOST Latin |
BKL-1 |
Transliteration |
VKL-1 |
By chemical elements |
WCoBe-1 |
Description
07Х24Н8М2Д3Л steel is used: for the manufacture of shaped castings for the aviation industry.
Standards
Name |
Code |
Standards |
Castings with special properties (iron and steel) |
В83 |
OST 1 90090-79 |
Chemical composition
Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Cu |
N |
Al |
V |
Ti |
Mo |
W |
OST 1 90090-79 |
≤0.07 |
≤0.025 |
≤0.025 |
0.3-0.8 |
23-25 |
0.4-0.8 |
8-9 |
Rest |
2.75-3.25 |
≤0.05 |
≤0.1 |
≤0.05 |
≤0.05 |
1.75-2.25 |
≤0.2 |
Fe is the basis.
Mechanical properties
sT|s0,2, MPa |
σU, MPa |
d |
y, % |
KCU, kJ/m2 |
HB, MPa |
The casting and the ceramic mold. Quenching in water from 1080-1120 °C |
≥392 |
≥638 |
≥20 |
≥50 |
≥1176 |
170-217 |
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 |