SHH15SG

Substitute: HVG, ShH15, 9HS, HVSG

Large ring ball and roller bearings with a wall thickness of 20−30 mm balls with a diameter more than 50 mm; rollers with a diameter of over 35 mm.

Classification

Country Section Category
CIS, Russia, Ukraine Structural steel Bearing structural steel

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Ti, % Cu, % Ni, % P, % C, % S, % O, %
GOST 801-78 > 94.8415 0.4–0.65 0.9–1.2 1.3–1.65 < 0.01 < 0.25 < 0.3 < 0.027 0.95–1.05 < 0.02 < 0.0015

Information on suppliers

Physical characteristics

Temperature, °C $$E\cdot 10^{9}$$, $$MPa$$ $$\alpha\cdot 10^{6}$$, $$K^{-1}$$ $$\rho$$, $$\frac{kg}{m^3}$$
20 2.11 7650
200 13.4
300 13.6

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{P}$$, $$MPa$$ $$\psi$$, % $$KCU\cdot 10^{3}$$, $$\frac{J}{m^2}$$ d5, % Treatment
Steel GOST 801-78 annealing 590–730 370–410 45 440 20 Annealing 790-810 ° C, furnace cooled, 15 ° C / h

Brinell hardness number

Rolling Standard Classifiers Value, HBW
Rental hot rolled. GOST 801-78 hot rolling 179–217

Technological Properties

Flake Susceptibility Propensity to temper brittleness
sensitive inclined

Critical point temperatures

Ac1, K Ac3(Acm), K Ar1, K Mn, K
750 910 688 205

Analogues

Standards

Standard Description
GOST 801-78

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Mn % Manganese
Cr % Chrome
Ti % Titan
Cu % Copper
Ni % Nickel
P % Phosphorus
C % Carbon
S % Sulfur
O % Oxygen

Description of physical characteristics

Parameter Units of measurement Description
$$E\cdot 10^{9}$$ $$MPa$$ Elastic modulus
$$\alpha\cdot 10^{6}$$ $$K^{-1}$$ Coefficient of thermal (linear) expansion (range 20°C–T)
$$\rho$$ $$\frac{kg}{m^3}$$ The density of the material

Description of mechanical properties

Parameter Units of measurement Description
d5 % Elongation at break
$$\sigma _{U}$$ $$MPa$$ 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
Ar1 K
Mn K