3H3M3F

Temperature critical points: Ac1 = 815, Ac3 (Acm) = 875, Ar3 (Arcm) = 820, Ar1 = 760, Mn = 340. Hardness after heat treatment (GOST 5950−2000): HB 1 0 -1 = 229 MPa .

hot deformation tool to crank presses and machines gorieontalno-kovochnnh undergoing in the process of intensive cooling (generally for small tools), mold injection molding copper alloy blades for hot cutting, water-cooled.

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 90.9–93.73 0.1–0.4 0.2–0.5 2.8–3.5 < 0.3 < 0.4 0.4–0.6 < 0.03 0.27–0.34 < 0.03 2.5–3

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 32 7828 0.314
100 34 7808 0.365
200 36 7783 0.43
300 177 36 7754 0.515
400 36 7721 0.6
500 36 7684 0.71
600 34 7642 0.835
700 34 7597 0.965
800 33 7565 1.118
900 34 7525 1.151

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{P}$$, $$MPa$$ $$\psi$$, % $$KCU\cdot 10^{3}$$, $$\frac{J}{m^2}$$ Treatment
Metal rolling 1670 1470 50 220 Hardening 1040 ° C, oil, leave 600 ° C, 2 h

Brinell hardness number

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

Critical point temperatures

Ac1, K Ac3(Acm), K Ar3(Arcm), K Ar1, K Mn, K
815 875 820 760 340

Analogues

USA Germany
H10 1.2365 (X32CrMoV33)

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
$$\psi$$ % 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