PSR 21.5

Classification

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

Chemical composition

Standard Si, % B, % Mn, % Cu, % Zn, % Ni, % P, % C, % Ag, % Nb, %
TU 48-1-277-86 0.1–0.3 < 0.2 0.5–2 34.3–45.4 17–19 16–18 < 0.2 0.5–2 20–23 0.5–1

Information on suppliers

Standards

Standard Description
TU 48-1-337-90

Description of chemical elements

Element Units of measurement Description
Si % Silicon
B % Bor
Mn % Manganese
Cu % Copper
Zn % Zinc
Ni % Nickel
P % Phosphorus
C % Carbon
Ag % Silver
Nb % Niobium