1.8803 (S355G4 (+ M))

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, % Ti, % Cu, % Ni, % V, % Al, % P, % C, % S, % Nb, % Mo, % N, %
EN 10225 > 96.59 < 0.5 < 1.6 < 0.05 < 0.35 < 0.3 < 0.1 < 0.02 < 0.035 < 0.16 < 0.03 < 0.05 < 0.2 < 0.015

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
thermomechanical rolling 450–610 345–355 22 50

Standards

Standard Description
EN 10225

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Mn % Manganese
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)