1.8936 (P420QH)

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, % Cu, % Ni, % V, % Al, % P, % C, % S, % Nb, % Mo, % N, %
EN 10222-4 95.53–98.88 0.1–0.6 1–1.7 < 0.3 < 0.2 < 1 < 0.2 0.02–0.06 < 0.025 < 0.2 < 0.015 < 0.05 < 0.1 < 0.02

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{Y}$$, $$MPa$$ $$\epsilon_L$$, % $$\epsilon_T$$, % $$KV_{L}$$, $$J$$ $$KV_{T}$$, $$J$$ Treatment
510–680 325–420 18–20 17–19
moderate hardening 63 40

Standards

Standard Description
EN 10222-4

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Mn % Manganese
Cr % Chrome
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
$$\epsilon_L$$ % Elongation at break (longitudinal)
$$\epsilon_T$$ % Elongation at break (transverse)
$$KV_{L}$$ $$J$$ Impact energy (longitudinal)
$$KV_{T}$$ $$J$$ Impact energy (transverse)