Steel 09KH16N4BL (10Х16Н4БЛ)

Designation

Name The value
Designation GOST Cyrillic 09Х16Н4БЛ
Designation GOST Latin 09X16H4BL
Transliteration 09H16N4BL
By chemical elements 09Cr16Н4Nb
Name The value
Designation GOST Cyrillic 10Х16Н4БЛ
Designation GOST Latin 10X16H4BL
Transliteration 10H16N4BL
By chemical elements 10Cr16Н4Nb

Description

09KH16N4BL steel is used: for the manufacture of castings corrosion-resistant parts high strength, resistant to oxidation under atmospheric conditions at temperatures up to +500 °C; high-strength parts for aerospace, chemical and other industries.

Note

Steel corrosion resistant martensitic grade, high strength at normal temperature.

Standards

Name Code Standards
Castings with special properties (iron and steel) В83 GOST 2176-77
Steel castings В82 GOST 977-88, OST 3-4365-79

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu Nb
GOST 977-88 0.05-0.13 ≤0.025 ≤0.03 0.3-0.6 15-17 0.2-0.6 3.5-4.5 Rest - 0.05-0.2
GOST 2176-77 0.05-0.13 ≤0.025 ≤0.03 0.3-0.6 15-17 0.2-0.6 3.5-4.5 Rest ≤0.3 0.05-0.2
Fe is the basis.
According to GOST 2176-77, the chemical composition is given for steel grade 09H16N4BL. Deviations from the norms of chemical composition are allowed: for carbon ± 0.020%; for silicon ± 0.10%; on manganese, copper, chromium and nickel ± 0.10% each; by titanium and tungsten ± 0.050% each; by vanadium, molybdenum and niobium ± 0.020% each.

Mechanical properties

Section, mm sT|s0,2, MPa σU, MPa d5, % KCU, kJ/m2
When normalization 1040-1060 °C, air cooling + vacation at 600-620 °C, air cooling + tempering in oil 950-1050 °C + vacation at 290-310 °C, air cooling
100 ≥883 ≥1128 ≥8 ≥245
The castings are supplied according to GOST 2176-77
- ≥785 ≥932 ≥10 ≥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
KCU Toughness