1.4911 (X8CrCoNiMo10-6)

Classification

Country Section Category
Germany Stainless and Heat Resisting Steels Materials with Elevated Temperature Properties

Chemical composition

Standard Fe, % Si, % B, % Mn, % Co, % Cr, % Ni, % V, % P, % C, % S, % Nb, % Mo, % N, % W, %
75.69–83.745 0.1–0.8 0.005–0.015 0.3–1.3 5–7 9.8–11.2 0.2–1.2 0.1–0.4 < 0.025 0.05–0.12 < 0.015 0.2–0.5 0.5–1 < 0.035 < 0.7

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{0.2}$$, $$MPa$$ $$\epsilon_L$$, % Treatment
moderate hardening 1000–1140 850 10

Standards

Standard Description
EN 10302
WL

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
B % Bor
Mn % Manganese
Co % Cobalt
Cr % Chrome
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
$$\sigma_{0.2}$$ $$MPa$$ Tensile stress required to produce a total elongation of 0.2%
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength
$$\epsilon_L$$ % Elongation at break (longitudinal)