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Description of chemical elements
Element |
Units of measurement |
Description |
Fe |
% |
Iron |
Si |
% |
Silicon |
Mn |
% |
Manganese |
Cr |
% |
Chrome |
Ti |
% |
Titan |
Ni |
% |
Nickel |
Al |
% |
Aluminium |
P |
% |
Phosphorus |
C |
% |
Carbon |
S |
% |
Sulfur |
Nb |
% |
Niobium |
Description of physical characteristics
Parameter |
Units of measurement |
Description |
Cp |
Дж/кг·К |
Specific heat of material |
$$\alpha\cdot 10^{6}$$ |
$$K^{-1}$$ |
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 |
d5 |
% |
Elongation at break |
$$\sigma_{Y}$$ |
$$MPa$$ |
Yield strength |
$$\sigma _{U}$$ |
$$MPa$$ |
Ultimate tensile strength |
Designation of types of weldability
Parameter |
Units of measurement |
Description |
no limits |
|
Welding is performed without heating and without subsequent heat treatment |
Boundedly welded |
|
Welding is possible with heating up to 100–120 °C and subsequent heat treatment |
Difficult to weld |
|
For obtaining quality welded joints, additional operations are required: heating up to 200–300 °C for welding, heat treatment after welding — annealing |
Not applicable for welded structures |
|
|