13HNDFTL

weldments responsible loaded parts, which are requirements of sufficient strength and toughness, operating under the influence of static and dynamic loads at temperatures up to 500 degrees.

Classification

Country Section Category
CIS, Russia, Ukraine Steels and alloys for castings Ordinary steel for castings

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Ti, % Cu, % Ni, % V, % P, % C, % S, %
GOST 977-88 95.36–97.3 0.2–0.4 0.4–0.9 0.15–0.4 0.04–0.1 0.65–0.9 1.2–1.6 0.06–0.12 < 0.03 < 0.16 < 0.03

Information on suppliers

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
Castings GOST 977-88 491 392 18 30 491 Normalization of 950-970 ° C, or Normalization 900-920 ° C, 530-560 ° C and Holidays

Heat Treatment Modes

Treatment
Normalization 950 - 970 ° C, or Normalization 900 - 920 ° C, Release 530 - 560 ° C

Standards

Standard Description
GOST 977-88

Description of chemical elements

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

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