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
CIS, Russia, Ukraine Tool steel Die tool steel

Chemical composition

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

Information on suppliers

Physical characteristics

Temperature, °C $$E\cdot 10^{9}$$, $$MPa$$ $$\varkappa$$, $$\frac{W}{m\cdot K}$$ $$\rho$$, $$\frac{kg}{m^3}$$ $$R\cdot 10^{-6}$$, $$\Omega\cdot m$$
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
Alloy 1670 1470 10 40 390 Hardening 1020 ° C, oil, leave 580 ° C, 2 h

Brinell hardness number

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

Critical point temperatures

Ac1, K Ac3(Acm), K Ar3(Arcm), 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
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
GOST 5950-2000 GOST

Description of chemical elements

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
$$E\cdot 10^{9}$$ $$MPa$$ 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
$$\sigma _{U}$$ $$MPa$$ 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
Ac1 K
Ac3(Acm) K
Ar3(Arcm) K
Ar1 K
Mn K