07H16N4B

It is intended for the manufacture of high-loaded parts of ship engineering products, welded assemblies, nuclear power facilities, chemical industry. According to ST-TsKBA 010−2004 critical temperature of brittleness -10 ° C

Classification

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

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Ti, % Cu, % Ni, % V, % P, % C, % S, % Nb, % Mo, % W, %
GOST 5632-72 76.155–81.05 < 0.6 0.2–0.5 15–16.5 < 0.2 < 0.3 3.5–4.5 < 0.2 < 0.025 0.05–0.1 < 0.02 0.2–0.4 < 0.3 < 0.2

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{Y}$$, $$MPa$$ $$\psi$$, % $$KCU\cdot 10^{3}$$, $$\frac{J}{m^2}$$ d5, % Treatment
Forgings GOST 25054-81 < 600 Longitudinal 882 690 40–55 590–880 11–14 Hardening and tempering

Standards

Standard Description
GOST 5632-72

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
Nb % Niobium
Mo % Molybdenum
W % Tungsten

Description of mechanical properties

Parameter Units of measurement Description
d5 % Elongation at break
$$\sigma_{Y}$$ $$MPa$$ Yield strength
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength
$$\psi$$ % Reduction in cross section on fracture
$$KCU\cdot 10^{3}$$ $$\frac{J}{m^2}$$ Impact toughness