E⋅109
MPa
σU
MPa

L-NiMn13-7

covers switchgear, insulators flanges, clamps and pipe;

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	72.3–80.5	1.5–3	6–7	< 0.2	< 0.5	12–14	< 3

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Physical characteristics

Temperature, °C	$E\cdot 10^{9}$ , $MPa$
Temperature, °C	$E\cdot 10^{9}$ , $MPa$
20	0.8

Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	Treatment
Casting	GOST 7769-82				140–220

Brinell hardness number

Rolling	Standard	Classifiers	Value, HBW
Rolling	Standard	Classifiers	Value, HBW
	GOST 7769-82		120–150

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