1.0986 (S550MC)

Classification

Country Section Category
Germany Alloy Steels Steels for Other Applications

Chemical composition

Standard Fe, % Si, % Mn, % Ti, % V, % Al, % P, % C, % S, % Nb, %
97.085–99.985 < 0.5 < 1.8 < 0.15 < 0.2 > 0.015 < 0.025 < 0.12 < 0.015 < 0.09

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers \sigma _{U}, MPa \sigma_{Y}, MPa \epsilon_{L (L_0 = 80 mm)}, % \epsilon_{L (L_0 = 5.65\sqrt{S_o})}, % Treatment
600–760 550
< 3 12
> 3 14

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Mn % Manganese
Ti % Titan
V % Vanadium
Al % Aluminium
P % Phosphorus
C % Carbon
S % Sulfur
Nb % Niobium

Description of mechanical properties

Parameter Units of measurement Description
\sigma_{Y} MPa Yield strength
\sigma _{U} MPa Ultimate tensile strength
\epsilon_{L (L_0 = 80 mm)} % Elongation at break (longitudinal) (for L0 = 80 mm)
\epsilon_{L (L_0 = 5.65\sqrt{S_o})} % Elongation at break (longitudinal) (for L0 = 5.65√So)