σU
MPa
σY
MPa
ϵL
ψ
KU
J

1.5752 (14NiCr14)

Classification

Country	Section	Category
Country	Section	Category
Germany	Structural, Pressure Vessel and Engineering Steels	Cr-Ni with Cr < 1.0%

Chemical composition

Standard	Fe, %	Si, %	Mn, %	Cr, %	Ni, %	P, %	C, %	S, %
Standard	Fe, %	Si, %	Mn, %	Cr, %	Ni, %	P, %	C, %	S, %
WW	94.24–95.86	< 0.4	0.4–0.7	0.6–0.9	3–3.5	< 0.025	0.14–0.2	< 0.035

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Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{Y}$ , $MPa$	$\epsilon_L$ , %	$\psi$ , %	$KU$ , $J$	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{Y}$ , $MPa$	$\epsilon_L$ , %	$\psi$ , %	$KU$ , $J$	Treatment
		< 11			1030–1320	> 835	> 9	> 40	> 55	After carburization, in the core
		< 30			930–120	> 785	> 10	> 45	> 55	Cementation, in the core
		< 63			880–1180	> 735	> 10	> 45		Cementation, in the core

Brinell hardness number

Rolling	Standard	Classifiers	Value, HBW
Rolling	Standard	Classifiers	Value, HBW
		improved machinability	255
		annealing, soft	229
		specified strength	179–229
		specified strength, ferrite-pearlite composition	166–217

Analogues

CIS, Russia, Ukraine
CIS, Russia, Ukraine
20HN4FA
12Kh2N4A

Standards

Standard	Description
Standard	Description
WW

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Si	%	Silicon
Mn	%	Manganese
Cr	%	Chrome
Ni	%	Nickel
P	%	Phosphorus
C	%	Carbon
S	%	Sulfur

Description of mechanical properties

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$\sigma_{Y}$	$MPa$	Yield strength
$\sigma _{U}$	$MPa$	Ultimate tensile strength
$\epsilon_L$	%	Elongation at break (longitudinal)
$\psi$	%	Reduction in cross section on fracture
$KU$	$J$	Impact energy