08H17N34V5T3YU2L (5H17N34V5T3YU2L)

for details, heat resistant at temperatures up to 1000 degrees C

Classification

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

Chemical composition

Standard	Fe, %	Si, %	B, %	Mn, %	Cr, %	Ti, %	Cu, %	Ni, %	Al, %	Ce, %	P, %	C, %	S, %	W, %
Standard	Fe, %	Si, %	B, %	Mn, %	Cr, %	Ti, %	Cu, %	Ni, %	Al, %	Ce, %	P, %	C, %	S, %	W, %
GOST 977-88	34.64–43.7	0.2–0.5	< 0.05	0.3–0.6	15–18	2.6–3.2	< 0.3	32–35	1.7–2.1	< 0.01	< 0.01	< 0.08	< 0.01	4.5–5.5

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Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{P}$ , $MPa$	$\epsilon_L$ , %	$\psi$ , %	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{P}$ , $MPa$	$\epsilon_L$ , %	$\psi$ , %	Treatment
Castings					800	700	3	3	Hardening 1150 ° C, air cooling, Aging 750 ° C, 32 hours, air cooled

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
B	%	Bor
Mn	%	Manganese
Cr	%	Chrome
Ti	%	Titan
Cu	%	Copper
Ni	%	Nickel
Al	%	Aluminium
Ce	%	Cerium
P	%	Phosphorus
C	%	Carbon
S	%	Sulfur
W	%	Tungsten

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)
$\psi$	%	Reduction in cross section on fracture