1.8877 (P620QH)

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 10216-3 95.625–99 < 0.6 1–1.7 < 0.3 < 0.04 < 0.3 < 0.8 < 0.2 < 0.02 < 0.025 < 0.2 < 0.02 < 0.05 < 0.1 < 0.02

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers \sigma _{U}, MPa \sigma_{0.2}, MPa \epsilon_L, % \epsilon_T, % KV_{L}, J KV_{T}, J Treatment
< 20 moderate hardening 740–930 620 16 14 40 27
20–40 moderate hardening 690–860 580
40–65 moderate hardening 630–800
40–50 moderate hardening 540
50–65 moderate hardening 500

Standards

Standard Description
EN 10216-3

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_{0.2} MPa Tensile stress required to produce a total elongation of 0.2%
\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)