08H13 (EI496, 0Х13)

Details with increased ductility, subjected to shock loads. Structural elements in water and steam, as well as in household appliances, cladding and interior decoration, etc.

parts with high ductility, subject to impact loads (valves of hydraulic presses, household items), as well as products that are exposed to slightly aggressive media (precipitation, aqueous solutions of salts of organic acids at room temperature, and others), blades of steam turbines, valves, bolts and pipes; ferritic steel grade

Classification

Country Section Category
CIS, Russia, Ukraine Corrosion-resistant alloys and steels Corrosion-resistant heat-resistant steel

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Ni, % P, % C, % S, %
GOST 5632-72 83.665–88 < 0.8 < 0.8 12–14 < 0.6 < 0.03 < 0.08 < 0.025

Information on suppliers

Physical characteristics

Temperature, °C $$E\cdot 10^{9}$$, $$MPa$$ $$\alpha\cdot 10^{6}$$, $$K^{-1}$$ $$\varkappa$$, $$\frac{W}{m\cdot K}$$ $$\rho$$, $$\frac{kg}{m^3}$$ $$c\cdot 10^{-3}$$, $$\frac{J}{kg\cdot K}$$ $$R\cdot 10^{-6}$$, $$\Omega\cdot m$$
20 217 7760 0.506
100 212 10.5 28 7740 0.462 0.584
200 206 11.1 28 7710 0.679
300 198 11.4 28 0.769
400 189 11.8 28 0.854
500 180 12.1 27 0.938
600 12.3 26 1.021
700 12.5 26 1.103
800 12.8 25

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
Pipes are coldly deformed. GOST 9941-81 372 22
Pipes are hot deformed. GOST 9940-81 372 22
Rod GOST 5949-75 590 410 20 60 980 Hardening of 1000-1050 ° C, the oil, leave 700-800 ° C, oil
Rod GOST 18968-73 580 410 20 60 980 Normalized and tempered
Forgings GOST 25054-81 < 600 Longitudinal 539 392 14–17 35–50 490–830 Hardening and tempering
The plates GOST 7350-77 420 295 23 Hardening of 960-1020 ° C, the water, leave 680-780 ° C, air
The plates GOST 7350-77 650 250 15 Annealing
Sheet GOST 5582-75 410 21 Annealing

Brinell hardness number

Rolling Standard Classifiers Value, HBW
Alloy Hardening, average vacation 187–229
Rod annealing 1160–1790
Rod normalization, average vacation 187–217

Technological Properties

Weldability Propensity to temper brittleness
Boundedly welded inclined

Analogues

USA Germany
429 1.4000 (X6Cr13)

Standards

Standard Description
GOST 5632-72
GOST 5949-75

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Mn % Manganese
Cr % Chrome
Ni % Nickel
P % Phosphorus
C % Carbon
S % Sulfur

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)
$$\varkappa$$ $$\frac{W}{m\cdot K}$$ Coefficient of thermal conductivity (the heat capacity of the material)
$$\rho$$ $$\frac{kg}{m^3}$$ The density of the material
$$c\cdot 10^{-3}$$ $$\frac{J}{kg\cdot K}$$ The specific heat of the material (range 20°C–T)
$$R\cdot 10^{-6}$$ $$\Omega\cdot m$$ 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

Designation of types of weldability

Parameter Units of measurement Description
no limits Welding is performed without heating and without subsequent heat treatment
Boundedly welded Welding is possible with heating up to 100–120 °C and subsequent heat treatment
Difficult to weld For obtaining quality welded joints, additional operations are required: heating up to 200–300 °C for welding, heat treatment after welding — annealing
Not applicable for welded structures