1.8201

Classification

Country Section Category
Germany Structural, Pressure Vessel and Engineering Steels Cr-Mo-W, Cr-Mo-W-V

Chemical composition

Standard Fe, % Si, % B, % Mn, % Cr, % Ti, % V, % Al, % P, % C, % S, % Nb, % Mo, % N, % W, %
93.673–96.234 < 0.5 0.001–0.006 0.1–0.6 1.9–2.6 0.005–0.006 0.2–0.3 < 0.03 < 0.03 0.04–0.1 < 0.01 0.02–0.08 0.05–0.3 < 0.015 1.45–1.75

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
Hardening, normalization 510–740 400 20 18 40 27

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
B % Bor
Mn % Manganese
Cr % Chrome
Ti % Titan
V % Vanadium
Al % Aluminium
P % Phosphorus
C % Carbon
S % Sulfur
Nb % Niobium
Mo % Molybdenum
N % Nitrogen
W % Tungsten

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)