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Standards
Description of chemical elements
Element |
Units of measurement |
Description |
Fe |
% |
Iron |
Si |
% |
Silicon |
Ti |
% |
Titan |
C |
% |
Carbon |
O |
% |
Oxygen |
N |
% |
Nitrogen |
H |
% |
Hydrogen |
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 |
$$c\cdot 10^{-3}$$ |
$$\frac{J}{kg\cdot K}$$ |
The specific heat of the material (range 20°C–T) |
Description of mechanical properties
Parameter |
Units of measurement |
Description |
$$\sigma _{U}$$ |
$$MPa$$ |
Ultimate tensile strength |
$$\epsilon_L$$ |
% |
Elongation at break (longitudinal) |
$$\psi$$ |
% |
Reduction in cross section on fracture |
$$KCU\cdot 10^{3}$$ |
$$\frac{J}{m^2}$$ |
Impact toughness |
Description of the casting and technological parameters
Parameter |
Units of measurement |
Description |
melting point |
°C |
The temperature at which solid crystalline body makes the transition to the liquid state and Vice versa |
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 |
|
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