08H16N13M2B (EI680, 1H16N13M2B)
forgings for disks and rotors, blades and bolts, long operating at temperatures up to 600 degrees.; austenitic steel
Classification
| Country |
Section |
Category |
| CIS, Russia, Ukraine |
Heat resistant steels and alloys |
Heat resistant high alloy steel |
Chemical composition
| Standard |
Fe, % |
Si, % |
Mn, % |
Cr, % |
Ni, % |
P, % |
C, % |
S, % |
Nb, % |
Mo, % |
|---|
| GOST 5632-72 |
62.725–69.54 |
< 0.8 |
< 1 |
15–17 |
12.5–14.5 |
< 0.035 |
0.06–0.12 |
< 0.02 |
0.9–1.3 |
2–2.5 |
Information on suppliers
Physical characteristics
| Temperature, °C |
$$E\cdot 10^{9}$$, $$MPa$$ |
$$\alpha\cdot 10^{6}$$, $$K^{-1}$$ |
$$\varkappa$$, $$\frac{W}{m\cdot K}$$ |
$$\rho$$, $$\frac{kg}{m^3}$$ |
|---|
| 20 |
206 |
|
|
7960 |
| 100 |
200 |
|
15.2 |
|
| 200 |
191 |
|
17.1 |
|
| 300 |
183 |
|
18.4 |
|
| 400 |
174 |
17.1 |
20.1 |
|
| 500 |
167 |
17.4 |
21.7 |
|
| 600 |
158 |
17.8 |
23 |
|
| 700 |
|
18.2 |
24.7 |
|
| 800 |
|
18.6 |
|
|
Mechanical properties at 20 °C
| Rolling |
Standard |
Size, mm |
Tension |
Classifiers |
$$\sigma _{U}$$, $$MPa$$ |
$$\sigma_{P}$$, $$MPa$$ |
$$\epsilon_L$$, % |
$$\psi$$, % |
$$KCU\cdot 10^{3}$$, $$\frac{J}{m^2}$$ |
Treatment |
|---|
| Sheet |
|
|
|
|
550 |
230 |
25 |
|
800 |
Hardening of 1000-1080 ° C, the water |
| Rod |
GOST 5949-75 |
|
|
|
550 |
215 |
40 |
50 |
1180 |
Hardening of 1100-1130 ° C, air |
Brinell hardness number
| Rolling |
Standard |
Classifiers |
Value, HBW |
| Rod |
GOST 5949-75 |
annealing |
1430–1790 |
Analogues
Standards
Description of chemical elements
| Element |
Units of measurement |
Description |
| Fe |
% |
Iron |
| Si |
% |
Silicon |
| Mn |
% |
Manganese |
| Cr |
% |
Chrome |
| Ni |
% |
Nickel |
| P |
% |
Phosphorus |
| C |
% |
Carbon |
| S |
% |
Sulfur |
| Nb |
% |
Niobium |
| Mo |
% |
Molybdenum |
Description of physical characteristics
| Parameter |
Units of measurement |
Description |
| $$E\cdot 10^{9}$$ |
$$MPa$$ |
Elastic modulus |
| $$\alpha\cdot 10^{6}$$ |
$$K^{-1}$$ |
Coefficient of thermal (linear) expansion (range 20°C–T) |
| $$\varkappa$$ |
$$\frac{W}{m\cdot K}$$ |
Coefficient of thermal conductivity (the heat capacity of the material) |
| $$\rho$$ |
$$\frac{kg}{m^3}$$ |
The density of the material |
Description of mechanical properties
| Parameter |
Units of measurement |
Description |
| $$\sigma _{U}$$ |
$$MPa$$ |
Ultimate tensile strength |
| $$\sigma_{P}$$ |
$$MPa$$ |
Proportionality limit |
| $$\epsilon_L$$ |
% |
Elongation at break (longitudinal) |
| $$\psi$$ |
% |
Reduction in cross section on fracture |
| $$KCU\cdot 10^{3}$$ |
$$\frac{J}{m^2}$$ |
Impact toughness |