CHN3HMDSH

for parts with high mechanical properties, wear and corrosion resistance in mildly alkaline, environments of gas (combustion products, technical oxygen), aqueous caustic solutions and melts.

Classification

Country	Section	Category
Country	Section	Category
CIS, Russia, Ukraine	Cast iron	Low alloy cast iron

Chemical composition

Standard	Fe, %	Si, %	Mn, %	Cr, %	Cu, %	Ni, %	P, %	C, %	S, %	Mo, %
Standard	Fe, %	Si, %	Mn, %	Cr, %	Cu, %	Ni, %	P, %	C, %	S, %	Mo, %
GOST 7769-82	85.19–91.2	2–2.8	< 0.8	0.2–0.5	0.7–1.5	2.5–4.5	< 0.08	3–3.6	< 0.03	0.4–1

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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				550

Brinell hardness number

Rolling	Standard	Classifiers	Value, HBW
Rolling	Standard	Classifiers	Value, HBW
	GOST 7769-82		350–550

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
P	%	Phosphorus
C	%	Carbon
S	%	Sulfur
Mo	%	Molybdenum

Description of mechanical properties

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$\sigma _{U}$	$MPa$	Ultimate tensile strength