1.0478 (P285QH)

Classification

Country Section Category
Germany Non-alloy Steels Steels with Average 0,12% =< C < 0,25% or 400 MPa = < Rm < 500 MPa

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Cu, % Ni, % V, % Al, % P, % C, % S, % Nb, % Mo, % N, %
EN 10222-4 96.94–99.38 < 0.4 0.6–1.4 < 0.3 < 0.2 < 0.3 < 0.05 0.02–0.06 < 0.025 < 0.18 < 0.015 < 0.03 < 0.08 < 0.02

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers σU, MPa σY, MPa ϵL, % ϵT, % KVL, J KVT, J Treatment
370–510 205–285 22–24 21–23
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
σY MPa Yield strength
σU MPa Ultimate tensile strength
ϵL % Elongation at break (longitudinal)
ϵT % Elongation at break (transverse)
KVL J Impact energy (longitudinal)
KVT J Impact energy (transverse)