Designation
| Name |
The value |
| Designation GOST Cyrillic |
03Х11Н10М2Т2 |
| Designation GOST Latin |
03X11H10M2T2 |
| Transliteration |
03H11N10M2T2 |
| By chemical elements |
03Cr11Н10Mo2Ti2 |
| Name |
The value |
| Designation GOST Cyrillic |
ЭП853 |
| Designation GOST Latin |
EP853 |
| Transliteration |
EhP853 |
| By chemical elements |
- |
Description
03Х11Н10М2Т2 steel is used: for the manufacture of parts of special equipment; ophthalmic and surgical instruments.
Note
Maraging stainless steel.
Rolled steel round and square cross-section produced with a thickness up to 180 mm.
Standards
| Name |
Code |
Standards |
| Sheets and strips |
В33 |
TU 14-1-1788-76 |
| Wire, steel, alloy |
В73 |
TU 14-1-2374-78 |
| Bars and shapes |
В32 |
TU 14-131-795-89 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Al |
B |
Ti |
Mo |
Zr |
| TU 14-1-1788-76 |
≤0.03 |
≤0.01 |
≤0.01 |
≤0.1 |
10-11.3 |
≤0.15 |
9-10.3 |
Rest |
≤0.2 |
≤0.002 |
1.7-2.1 |
1.8-2.3 |
≤0.08 |
Fe is the basis.
According to TU 14-1-1788-76, TU 14-1-2374-78 the chemical composition is given for steel grade 03H11N10M2T2-VD (EP853-VD). Mass fractions of boron and zirconium are calculated.
Mechanical properties
| Section, mm |
sT|s0,2, MPa |
σU, MPa |
d5, % |
y, % |
KCU, kJ/m2 |
HRC |
| Steel cold-rolled sheet in sostoyanii delivery on the other 14-1-1788-76 |
|
- |
1200-1350 |
≥8 |
- |
- |
- |
|
- |
1500-1800 |
≥5 |
- |
- |
- |
| Rental in the state of delivery on the other 14-131-795-89 |
|
≥1400 |
≥1550 |
≥8 |
≥28 |
≥294 |
≥47 |
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 |
| y |
The relative narrowing |
| KCU |
Toughness |
| HRC |
Rockwell hardness (indenter diamond spheroconical) |
Physical characteristics
| Temperature |
r, kg/m3 |
l, W/(m · °C) |
a, 10-6 1/°C |
| 20 |
7830 |
≤25 |
5-10 |
A description of the physical symbols
| Name |
Description |
| Е |
The normal elasticity modulus |
| r |
Density |
| l |
Coefficient of thermal conductivity |
| R |
UD. the resistivity |
