70H2GL

for producing castings for various industrial applications

Classification

Country	Section	Category
Country	Section	Category
CIS, Russia, Ukraine	Steels and alloys for castings	Ordinary steel for castings

Chemical composition

Standard	Fe, %	Si, %	Mn, %	Cr, %	P, %	C, %	S, %
Standard	Fe, %	Si, %	Mn, %	Cr, %	P, %	C, %	S, %
GOST 977-88	95.25–96.6	0.2–0.5	0.8–1.2	1.8–2.2	< 0.05	0.6–0.75	< 0.05

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Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	d5, %	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	d5, %	Treatment
Castings	GOST 977-88				785	4	Normalization 820 - 860 ° C, Vacation 630 - 680 ° C

Heat Treatment Modes

Treatment
Treatment
Normalization 820 - 860 ° C, Vacation 630 - 680 ° C

Standards

Standard	Description
Standard	Description
GOST 977-88

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
d5	%	Elongation at break
$\sigma _{U}$	$MPa$	Ultimate tensile strength