S21903

Classification

Country Section Category
USA Stainless Steels, including Precipitation Hardening Stainless Steel and Iron-Based Superalloys Austenitic Cr-Mn-Ni-(Si, Mo, Cu, Al) Stainless Steel, Cr-Mn-Ni, Cr-Ni Heat Resisting Steel, Hardenable Cr-Ni-(Si, Ti, Mo, Al)

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Cu, % Ni, % P, % C, % S, % N, %
UNS 58.955–67.42 < 1 8–10 19–21.5 < 0.75 5.5–7.5 < 0.045 < 0.04 < 0.03 0.08–0.18

Information on suppliers

Standards

Standard Description
UNS

Description of chemical elements

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