1.8868 (P355QL1)

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, % B, % Mn, % Cr, % Ti, % Cu, % Ni, % V, % Zr, % P, % C, % S, % Nb, % Mo, % N, %
EN 10028-6 > 96.352 < 0.4 < 0.005 < 1.5 < 0.3 < 0.03 < 0.3 < 0.5 < 0.06 < 0.05 < 0.02 < 0.16 < 0.008 < 0.05 < 0.25 < 0.015

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers \sigma _{U}σU, MPaMPa \sigma_{Y}σY, MPaMPa \epsilon_LϵL, % KV_{T}KVT, JJ Treatment
< 100 moderate hardening 490–630 22 27
100–150 moderate hardening 450–590 315
< 50 moderate hardening 355
50–100 moderate hardening 335

Standards

Standard Description
EN 10028-6

Description of chemical elements

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

Description of mechanical properties

Parameter Units of measurement Description
\sigma_{Y}σY MPaMPa Yield strength
\sigma _{U}σU MPaMPa Ultimate tensile strength
\epsilon_LϵL % Elongation at break (longitudinal)
KV_{T}KVT JJ Impact energy (transverse)