NP4

for the manufacture of semi-finished products (wire, rods, strips, sheets and strip) used in mechanical engineering and instrumentation

Classification

Country Section Category
CIS, Russia, Ukraine Nickel, nickel alloys Prefabricated Nickel

Chemical composition

Standard Fe, % Si, % Mg, % Mn, % Cu, % C, % S, % Ni + Co, %
GOST 492-2006 < 0.3 < 0.15 < 0.1 < 0.2 < 0.15 < 0.1 < 0.015 < 99

Information on suppliers

Physical characteristics

Temperature, °C $$E\cdot 10^{9}$$, $$MPa$$ $$\alpha\cdot 10^{6}$$, $$K^{-1}$$ $$\varkappa$$, $$\frac{W}{m\cdot K}$$ $$\rho$$, $$\frac{kg}{m^3}$$
20 225 59.6 8900
100 13.7

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{P}$$, $$MPa$$ $$\epsilon_L$$, % Treatment
Sheet hot rolling 370 15
Sheet soft 370 35
Sheet solid 540 2
Tape soft 390 35
Tape solid 540 3
Alloy annealing 400–500 220 35–40

Brinell hardness number

Rolling Standard Classifiers Value, HBW
Alloy Cast 600–700
Alloy annealing 700–900

Casting and technological parameters

melting point, °C linear shrinkage, % the temperature of the casting, °C Hot working temperature, °C annealing temperature, °C
1455 1 1550–1650 1140–1250 700–800

Analogues

Germany USA
2.4068 JS 201
2.4068 (LC-Ni99)

Standards

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Mg % Magnesium
Mn % Manganese
Cu % Copper
C % Carbon
S % Sulfur
Ni + Co % Nickel + Cobalt

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)

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
linear shrinkage % The difference between model dimensions and the model casting
the temperature of the casting °C The temperature of the molten polymer is extruded from the heating cylinder into the mold
Hot working temperature °C The temperature at which the plastic-deformed metal recrystallizes during the pressure treatment
annealing temperature °C The temperature at which the processes return recrystallization and homogenization of the metal to reduce its hardness for subsequent machining