1.4885 (X12CrNiMoNb20-15)
Classification
Country |
Section |
Category |
Germany |
Stainless and Heat Resisting Steels |
Heat Resistant Steels with Ni > = 2.5% |
Chemical composition
Standard |
Fe, % |
Si, % |
Mn, % |
Cr, % |
Ni, % |
P, % |
C, % |
S, % |
Nb, % |
Mo, % |
|
53.775–63.5 |
1.5–2.5 |
< 2 |
19–22 |
14–16 |
< 0.045 |
< 0.15 |
< 0.03 |
1–1.5 |
1–2 |
Information on suppliers
Physical characteristics
Temperature, °C |
$$\alpha\cdot 10^{6}$$, $$K^{-1}$$ |
$$\varkappa$$, $$\frac{W}{m\cdot K}$$ |
$$\rho$$, $$\frac{kg}{m^3}$$ |
$$c\cdot 10^{-3}$$, $$\frac{J}{kg\cdot K}$$ |
$$R\cdot 10^{-6}$$, $$\Omega\cdot m$$ |
20 |
|
15 |
7800 |
0.5 |
0.9 |
400 |
17 |
|
|
|
|
800 |
18 |
|
|
|
|
1000 |
19 |
|
|
|
|
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 |
$$\alpha\cdot 10^{6}$$ |
$$K^{-1}$$ |
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 |
$$c\cdot 10^{-3}$$ |
$$\frac{J}{kg\cdot K}$$ |
The specific heat of the material (range 20°C–T) |
$$R\cdot 10^{-6}$$ |
$$\Omega\cdot m$$ |
Electrical resistivity |