σU
MPa
ϵL
ψ
KCU⋅103
Jm2

45H17G13N3YUL

for details of vacation, hardening and cementation furnaces, hearth plates, boxes, crucibles for salt baths and other parts operating at high temperatures; parts, corrosion in sour environments; austenitic steel.

Classification

Country	Section	Category
Country	Section	Category
CIS, Russia, Ukraine	Steels and alloys for castings	Steel for casting with special properties

Chemical composition

Standard	Fe, %	Si, %	Mn, %	Cr, %	Ni, %	Al, %	P, %	C, %	S, %
Standard	Fe, %	Si, %	Mn, %	Cr, %	Ni, %	Al, %	P, %	C, %	S, %
GOST 977-88	60.435–67.7	0.8–1.5	12–15	16–18	2.5–3.5	0.6–1	< 0.035	0.4–0.5	< 0.03

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Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\epsilon_L$ , %	$\psi$ , %	$KCU\cdot 10^{3}$ , $\frac{J}{m^2}$	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\epsilon_L$ , %	$\psi$ , %	$KCU\cdot 10^{3}$ , $\frac{J}{m^2}$	Treatment
Castings	GOST 977-88				491	10	18	981

Heat Treatment Modes

Treatment
Treatment
Without heat treatment

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
Ni	%	Nickel
Al	%	Aluminium
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
$\epsilon_L$	%	Elongation at break (longitudinal)
$\psi$	%	Reduction in cross section on fracture
$KCU\cdot 10^{3}$	$\frac{J}{m^2}$	Impact toughness