Steel 11KH11N2V2MF (ЭИ962)
Designation
| Name |
The value |
| Designation GOST Cyrillic |
11Х11Н2В2МФ |
| Designation GOST Latin |
11X11H2B2MF |
| Transliteration |
11H11N2V2MF |
| The chemical elements |
11Cr11Н2W2MoV |
| Name |
The value |
| Designation GOST Cyrillic |
ЭИ962 |
| Designation GOST Latin |
EI962 |
| Transliteration |
EhI962 |
| The chemical elements |
- |
Description
11KH11N2V2MF steel is used: for the manufacture of compressor disks, blades and other loaded parts, long operating at temperatures up to +600 °C; for the production of welding wire, used for welding parts and welding of steel structures in power engineering industry; for the manufacture of welding electrodes; solid-rolled rings from various industrial purposes; welding rings with subsequent profiling punching.
Note
Steel corrosion and heat resistant martensitic class.
The recommended maximum operating temperature for a long time (10,000 hours) +600 °C. the Temperature of intensive scaling in air +750 °C.
Standards
| Name |
Code |
Standards |
| Sheets and stripes |
В33 |
GOST 5582-75, TU 14-1-1222-74, TU 14-1-2150-77, TU 14-1-2476-78, TU 14-1-3219-81 |
| Classification, nomenclature and general norms |
В30 |
GOST 5632-72 |
| Sectional and shaped rolling |
В32 |
GOST 5949-75, OST 1 90228-76, OST 1 90362-85, TU 14-1-2172-77, TU 14-11-245-88, TU 14-1-1271-75 |
| Classification, nomenclature and general norms |
В20 |
OST 1 90005-91 |
| Bulls. Blanks. Slabs |
В31 |
OST 3-1686-90, OST 1 90165-74, OST 1 90305-89, OST 1 90349-84, OST 1 90386-89 |
| Metal forming. Forgings |
В03 |
TU 14-1-1530-75, TU 14-1-2902-80, TU 14-1-2918-80 |
| Welding and cutting of metals. Soldering, riveting |
В05 |
TU 14-1-997-74, TU 14-1-997-2012 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Cu |
V |
Ti |
Mo |
W |
| TU 14-1-2918-80 |
0.09-0.13 |
≤0.015 |
≤0.03 |
≤0.6 |
10.5-12 |
≤0.6 |
1.5-1.8 |
The rest |
≤0.3 |
0.18-0.3 |
≤0.2 |
0.35-0.5 |
1.6-2 |
| TU 14-1-2172-77 |
0.09-0.13 |
≤0.025 |
≤0.03 |
≤0.6 |
10.5-12 |
≤0.6 |
1.5-1.8 |
The rest |
≤0.3 |
0.18-0.3 |
≤0.2 |
0.35-0.5 |
1.6-2 |
| TU 14-1-997-74 |
0.09-0.13 |
≤0.025 |
≤0.03 |
≤0.6 |
10.5-12 |
≤0.6 |
1.5-1.8 |
The rest |
≤0.2 |
0.18-0.3 |
- |
0.35-0.5 |
1.6-2 |
Fe is the basis.
According to TU 14-1-2902-80, TU 14-1-2172-77 and TU 14-1-2918-80 the chemical composition is given for 11Х11Н2В2МФ-Ш.
Mechanical characteristics
| Section, mm |
t отпуска, °C |
sT|s0,2, MPa |
σB, MPa |
d5, % |
y, % |
kJ/m2, кДж/м2 |
Brinell hardness number, MPa |
HRC |
| Gradation of performance properties of the finished heat-treated parts for OST 1 90005-91 |
| - |
- |
- |
830-1030 |
- |
- |
- |
248-302 |
22-33 |
| Ring welded at OST 1 90349-84. Hardening from 1000-1020 °C in oil or air + Vacation at 540-590 °C |
| - |
- |
≥833 |
≥981 |
≥12 |
≥50 |
≥588 |
310-388 |
- |
| - |
- |
- |
≥882 |
≥7 |
- |
- |
- |
- |
| Ring welded at OST 1 90349-84. Hardening from 1000-1020 °C in oil or air + Vacation at 650-680 °C |
| - |
- |
≥735 |
≥833 |
≥12 |
≥55 |
≥686 |
269-321 |
- |
| - |
- |
- |
≥745 |
≥6 |
- |
- |
- |
- |
| Ring clinocerinae for OST 1 90228-76. Normalization at 1000-1020 °C + Quenching in oil or air from 1000-1020 °C + Vacation at 540-590 °C |
|
- |
≥833 |
≥980 |
≥10 |
≥50 |
≥588 |
311-387 |
- |
| Hot rolled sheet (of 1.5-3.9 mm) and cold rolled (0,7-3,9 mm) steel according to GOST 5582-75. Annealing in air 1000-1150 °C + Vacation at 560-900 °C, air cooling |
|
- |
- |
≥880 |
≥10 |
- |
- |
- |
- |
| Hot rolled sheet (of 1.5-3.9 mm) and cold rolled (0,7-3,9 mm) steel according to GOST 5582-75. Annealing at 760-780 °C |
| - |
- |
- |
≤830 |
≥22 |
- |
- |
- |
- |
| Forgings 14-1-1530-75 TU, TU 14-1-2902-80, THE 14-1-2918-80. Normalization at 1000-1020 °C + Hardening from 1000-1020 °C in oil or air + Vacation |
|
640-680 |
≥735 |
≥830 |
≥12 |
≥55 |
≥680 |
269-321 |
- |
|
540-590 |
≥835 |
≥980 |
≥10 |
≥50 |
≥580 |
311-388 |
- |
| Bars hot rolled and forged on the other 14-1-2172-77. The longitudinal samples. Normalization at 1000-1020 °C + Quenching in oil or air from 1000-1020 °C + Vacation at 540-590 °C, air cooling |
|
540-590 |
≥833 |
≥980 |
≥10 |
≥50 |
≥588 |
311-388 |
- |
|
640-680 |
≥735 |
≥833 |
≥12 |
≥55 |
≥686 |
269-320 |
- |
| Bars hot rolled and forged according to GOST 5949-75. Normalization at 1000-1020 °C + Quenching in oil or air from 1000-1020 °C + Vacation |
|
540-590 |
≥835 |
≥980 |
≥10 |
≥50 |
≥588 |
- |
- |
|
640-680 |
≥735 |
≥835 |
≥12 |
≥55 |
≥686 |
- |
- |
Description mechanical marks
| Name |
Description |
| Section |
Section |
| sT|s0,2 |
Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2% |
| σB |
Limit short-term strength |
| d5 |
Elongation after rupture |
| y |
The relative narrowing |
| kJ/m2 |
Toughness |
| HRC |
Rockwell hardness (indenter diamond spheroconical) |
Technological properties
| Name |
The value |
| Macrostructure and contamination |
Macrostructure of steel shall be no traces of shrinkage, voids, bubbles, fissures, fistula, delaminations, cracks, and foreign inclusions. |
