L-NiSiCr20-5-3

Parts of pumps; Casting valves used in industrial furnaces;

Classification

Country	Section	Category
Country	Section	Category
CIS, Russia, Ukraine	Cast iron	Nickel cast iron

Chemical composition

Standard	Fe, %	Si, %	Mn, %	Cr, %	Cu, %	Ni, %	C, %
Standard	Fe, %	Si, %	Mn, %	Cr, %	Cu, %	Ni, %	C, %
GOST 7769-82	63.5–75.5	4.5–5.5	0.5–1.5	1.5–4.5	< 0.5	18–22	< 2.5

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Physical characteristics

Temperature, °C	$E\cdot 10^{9}$ , $MPa$
Temperature, °C	$E\cdot 10^{9}$ , $MPa$
20	1.1

Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\epsilon_L$ , %	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\epsilon_L$ , %	Treatment
Casting	GOST 7769-82				190–280	2.5

Brinell hardness number

Rolling	Standard	Classifiers	Value, HBW
Rolling	Standard	Classifiers	Value, HBW
	GOST 7769-82		140–250

Standards

Standard	Description
Standard	Description
GOST 7769-82

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Si	%	Silicon
Mn	%	Manganese
Cr	%	Chrome
Cu	%	Copper
Ni	%	Nickel
C	%	Carbon

Description of physical characteristics

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$E\cdot 10^{9}$	$MPa$	Elastic modulus

Description of mechanical properties

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$\sigma _{U}$	$MPa$	Ultimate tensile strength
$\epsilon_L$	%	Elongation at break (longitudinal)