0H18N5G12AB (NN3B)

for the production of long products, forgings used in the manufacture of parts in shipbuilding and ship repair

Classification

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

Chemical composition

Standard Fe, % Si, % Mn, % Co, % Cr, % Cu, % Ni, % V, % P, % C, % S, % Nb, % Mo, % N, % W, %
TU 14-1-784 - 73 57.375–64.55 < 0.8 11.5–13.5 < 0.3 18–19.5 < 0.3 4.5–5.5 0.2–0.35 < 0.045 < 0.08 < 0.03 0.8–1.1 < 0.3 0.45–0.52 < 0.3

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{Y}$$, $$MPa$$ d5, % Treatment
Rod TU 14-1-784 - 73 750 500 25

Analogues

Germany USA
Almenit 4301 X5CrNi18-10

Standards

Standard Description
TU 14-1-784 - 73

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Mn % Manganese
Co % Cobalt
Cr % Chrome
Cu % Copper
Ni % Nickel
V % Vanadium
P % Phosphorus
C % Carbon
S % Sulfur
Nb % Niobium
Mo % Molybdenum
N % Nitrogen
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