4H5MF1S (EP572, 40H5MF1S)

Another designation EP572. Temperature of critical points: Ac1 = 875, Ac3 (Acm) = 935, Ar3 (Arcm) = 815, Ar1 = 760, Mn = 305. Hardness after annealing (GOST 5950−2000): HB 10 ^-1 = 241 MPa .

mold die casting of zinc, aluminum and magnesium alloys, Molotov and pressing the insert (section 200−250 mm) at the hot deformation of structural steels, tool for landing pieces of alloy structural and heat-resistant materials on horizontal forging machines.

Classification

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

Chemical composition

Standard	Fe, %	Si, %	Mn, %	Cr, %	Cu, %	Ni, %	V, %	P, %	C, %	S, %	Mo, %
Standard	Fe, %	Si, %	Mn, %	Cr, %	Cu, %	Ni, %	V, %	P, %	C, %	S, %	Mo, %
GOST 5950-2000	89–92.03	0.9–1.2	0.2–0.5	4.5–5.5	< 0.3	< 0.4	0.8–1.1	< 0.03	0.37–0.44	< 0.03	1.2–1.5

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Physical characteristics

Temperature, °C	$E\cdot 10^{9}$ , $MPa$	$\varkappa$ , $\frac{W}{m\cdot K}$	$\rho$ , $\frac{kg}{m^3}$	$R\cdot 10^{-6}$ , $\Omega\cdot m$
Temperature, °C	$E\cdot 10^{9}$ , $MPa$	$\varkappa$ , $\frac{W}{m\cdot K}$	$\rho$ , $\frac{kg}{m^3}$	$R\cdot 10^{-6}$ , $\Omega\cdot m$
20	207	22	7716	0.553
100		25	7692	0.591
200		27	7660	0.649
300	187	29	7627	0.715
400		30	7593	0.793
500		31	7559	0.879
600	160	31	7523	0.97
700		31	7490	1.077
800		31	7459	1.189
900		32	7438	1.229

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					1670	1470	10	40	390	Hardening 1020 ° C, oil, leave 580 ° C, 2 h

Brinell hardness number

Rolling	Standard	Classifiers	Value, HBW
Rolling	Standard	Classifiers	Value, HBW
Alloy	GOST 5950-73	annealing	241

Critical point temperatures

Ac₁, K	Ac₃(Ac_m), K	Ar₃(Arc_m), K	Ar₁, K	Mn, K
Ac₁, K	Ac₃(Ac_m), K	Ar₃(Arc_m), K	Ar₁, K	Mn, K
875	935	815	760	305

Analogues

USA	Germany	Japan	France	United Kingdom	European Union	Italy	Spain	China	Sweden	Bulgaria	Hungary	Poland	Romania	Czech Republic	Austria
USA	Germany	Japan	France	United Kingdom	European Union	Italy	Spain	China	Sweden	Bulgaria	Hungary	Poland	Romania	Czech Republic	Austria
H13	1.2344 (X40CrMoV5-1)	SKD61	Z40CDV5	2344	X40CrMoV5-1	UD14	F.5318	4Cr5MoSiV1	2214	X40CrMoV5-1	K13	L40H5MF	40VSiMoCr52	19554	W302

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
Mo	%	Molybdenum

Description of physical characteristics

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$E\cdot 10^{9}$	$MPa$	Elastic modulus
$\varkappa$	$\frac{W}{m\cdot K}$	Coefficient of thermal conductivity (the heat capacity of the material)
$\rho$	$\frac{kg}{m^3}$	The density of the material
$R\cdot 10^{-6}$	$\Omega\cdot m$	Electrical resistivity

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

Description of temperatures of critical points

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
Ac₁	K
Ac₃(Ac_m)	K
Ar₃(Arc_m)	K
Ar₁	K
Mn	K