VCH50

product with high strength and satisfactory ductility

Classification

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

Chemical composition

Standard	Fe, %	Si, %	Mn, %	Cr, %	P, %	C, %	S, %
Standard	Fe, %	Si, %	Mn, %	Cr, %	P, %	C, %	S, %
GOST 7293-85	92.43–96.2	0.8–2.9	0.3–0.7	< 0.15	< 0.1	2.7–3.7	< 0.02

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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
Castings	GOST 7293-85				500	320	7

Brinell hardness number

Rolling	Standard	Classifiers	Value, HBW
Rolling	Standard	Classifiers	Value, HBW
Alloy	GOST 7293-85		153–245

Analogues

Germany	USA
Germany	USA
GGG50	65-45-12

Standards

Standard	Description
Standard	Description
GOST 7293-85

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Si	%	Silicon
Mn	%	Manganese
Cr	%	Chrome
P	%	Phosphorus
C	%	Carbon
S	%	Sulfur

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)