1.8808 (S355G7 + M (+ N))

Classification

Country Section Category
Germany Structural, Pressure Vessel and Engineering Steels High Strength Weldable Steels not Intended for Heat Treatment by User

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Ti, % Cu, % Ni, % V, % Al, % P, % C, % S, % Nb, % Mo, % N, %
EN 10225 96.31–98.835 0.15–0.55 1–1.65 < 0.25 < 0.025 < 0.3 < 0.5 < 0.06 0.015–0.055 < 0.02 < 0.14 < 0.01 < 0.04 < 0.08 < 0.01

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{Y}$$, $$MPa$$ $$\epsilon_{L (L_0 = 5.65\sqrt{S_o})}$$, % $$KV_{L}$$, $$J$$ Treatment
normalization 460–630 22 50
< 16 normalization 355
16–25 normalization 355
25–40 normalization 345
40–63 normalization 335
63–100 normalization 325
100–150 normalization 320

Standards

Standard Description
EN 10225

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Mn % Manganese
Cr % Chrome
Ti % Titan
Cu % Copper
Ni % Nickel
V % Vanadium
Al % Aluminium
P % Phosphorus
C % Carbon
S % Sulfur
Nb % Niobium
Mo % Molybdenum
N % Nitrogen

Description of mechanical properties

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