2.4952

Classification

Country	Section	Category
Country	Section	Category
Germany	Alloy DIN 17007−4	Ni Alloys with Co, Cr and Mo Co Alloys with Cr, Ni and Mo

Chemical composition

Standard	Fe, %	Si, %	B, %	Mn, %	Co, %	Cr, %	Ti, %	Cu, %	Ni, %	Al, %	P, %	C, %	S, %
Standard	Fe, %	Si, %	B, %	Mn, %	Co, %	Cr, %	Ti, %	Cu, %	Ni, %	Al, %	P, %	C, %	S, %
	< 1.5	< 1	< 0.008	< 1	< 1	18–21	1.8–2.7	< 0.2	> 65	1–1.8	< 0.02	0.04–0.1	< 0.015

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Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{0.2}$ , $MPa$	$\epsilon_L$ , %	$\psi$ , %	$KV_{L}$ , $J$	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{0.2}$ , $MPa$	$\epsilon_L$ , %	$\psi$ , %	$KV_{L}$ , $J$	Treatment
				solution annealing	1100–1400	725	15	25	20
				aging	1000	600	18

Твёрдость по Роквеллу

Rolling	Standard	Classifiers	Value, HRC
Rolling	Standard	Classifiers	Value, HRC
		solution annealing	32

Analogues

CIS, Russia, Ukraine
CIS, Russia, Ukraine
HN77TYUR (EI437B)

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Si	%	Silicon
B	%	Bor
Mn	%	Manganese
Co	%	Cobalt
Cr	%	Chrome
Ti	%	Titan
Cu	%	Copper
Ni	%	Nickel
Al	%	Aluminium
P	%	Phosphorus
C	%	Carbon
S	%	Sulfur

Description of mechanical properties

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$\sigma_{0.2}$	$MPa$	Tensile stress required to produce a total elongation of 0.2%
$\sigma _{U}$	$MPa$	Ultimate tensile strength
$\epsilon_L$	%	Elongation at break (longitudinal)
$\psi$	%	Reduction in cross section on fracture
$KV_{L}$	$J$	Impact energy (longitudinal)