σU
MPa
σP
MPa
ϵL
ψ
KCU⋅103
Jm2

5HV2SF

For knives for cold cutting of metal, for thread rolling dies, punches and crimp dies.

knives for cold metal cutting, thread rolling dies, punches and crimping dies for cold work, woodworking tools in continuous operation

Classification

Country	Section	Category
Country	Section	Category
CIS, Russia, Ukraine	Tool steel	Alloy tool steel

Chemical composition

Standard	Fe, %	Si, %	Mn, %	Cr, %	Cu, %	Ni, %	V, %	P, %	C, %	S, %	W, %
Standard	Fe, %	Si, %	Mn, %	Cr, %	Cu, %	Ni, %	V, %	P, %	C, %	S, %	W, %
GOST 5950-2000	93.34–95.75	0.8–1.1	0.15–0.45	0.9–1.2	< 0.3	< 0.4	0.15–0.3	< 0.03	0.45–0.55	< 0.03	1.8–2.3

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Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{P}$ , $MPa$	$\epsilon_L$ , %	$\psi$ , %	$KCU\cdot 10^{3}$ , $\frac{J}{m^2}$	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{P}$ , $MPa$	$\epsilon_L$ , %	$\psi$ , %	$KCU\cdot 10^{3}$ , $\frac{J}{m^2}$	Treatment
Alloy					1700	1600	6	15	280	Tempering 880 ° C, oil, leave 450 ° C, 2 h

Brinell hardness number

Rolling	Standard	Classifiers	Value, HBW
Rolling	Standard	Classifiers	Value, HBW
Alloy	GOST 5950-73	annealing	229

Analogues

Germany	USA	France	United Kingdom	European Union	Italy	Spain	Sweden	Bulgaria	Hungary	Poland	Romania	Czech Republic
Germany	USA	France	United Kingdom	European Union	Italy	Spain	Sweden	Bulgaria	Hungary	Poland	Romania	Czech Republic
1.2542	S1	45WCrV8	2542	45WCrV8	45WCrV8KU	45WCrSi8	2710	5ChW2SF	W5	NZ2	45VSiCrW20	45VSiCrW20

Standards

Standard	Description
Standard	Description
GOST 5950-2000	GOST

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Si	%	Silicon
Mn	%	Manganese
Cr	%	Chrome
Cu	%	Copper
Ni	%	Nickel
V	%	Vanadium
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
$KCU\cdot 10^{3}$	$\frac{J}{m^2}$	Impact toughness