1.2888 (X20CoCrWMo10-9)

Classification

Country Section Category
Germany Alloy Tool Steels Other

Chemical composition

Standard Fe, % Si, % Mn, % Co, % Cr, % P, % C, % S, % Mo, % W, %
70.05–73.98 0.15–0.35 0.4–0.6 9.5–10.5 9–10 < 0.035 0.17–0.23 < 0.035 1.8–2.2 5–6

Information on suppliers

Brinell hardness number

Rolling Standard Classifiers Value, HBW
annealing < 320

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Mn % Manganese
Co % Cobalt
Cr % Chrome
P % Phosphorus
C % Carbon
S % Sulfur
Mo % Molybdenum
W % Tungsten