Steel 07Х24Н8М2Д3Л (on-1)

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