NP4

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

Classification

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

Chemical composition

Standard	Fe, %	Si, %	Mg, %	Mn, %	Cu, %	C, %	S, %	Ni + Co, %
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

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Physical characteristics

Temperature, °C	$E\cdot 10^{9}$ , $MPa$	$\alpha\cdot 10^{6}$ , $K^{-1}$	$\varkappa$ , $\frac{W}{m\cdot K}$	$\rho$ , $\frac{kg}{m^3}$
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
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
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
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
Germany	USA
2.4068	JS 201
2.4068 (LC-Ni99)

Standards

Standard	Description
Standard	Description
GOST 492-2006
GOST 2170-16
GOST 2171-90	GOST 2171-90
GOST 2179-15
GOST 492-1973
GOST 6235-91
DSTU GOST 492:2007

Description of chemical elements

Element	Units of measurement	Description
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
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
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
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