1.7338 (10CrMo5-5)

Classification

Country Section Category
Germany Structural, Pressure Vessel and Engineering Steels Cr-Mo with Mo ≥ 0.35%

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Cu, % Ni, % Al, % P, % C, % S, % Mo, %
EN 10216-2 95.425–97.75 0.5–1 0.3–0.6 1–1.5 < 0.3 < 0.3 < 0.04 < 0.025 < 0.15 < 0.01 0.45–0.65

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers σU, MPa σ0.2, MPa ϵL, % ϵT, % KVL, J KVT, J Treatment
< 60 Hardening, normalization 410–560 22 20
< 16 Hardening, normalization 275
16–40 Hardening, normalization 275
40–60 Hardening, normalization 265
40 27

Standards

Standard Description
EN 10216-2

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Mn % Manganese
Cr % Chrome
Cu % Copper
Ni % Nickel
Al % Aluminium
P % Phosphorus
C % Carbon
S % Sulfur
Mo % Molybdenum

Description of mechanical properties

Parameter Units of measurement Description
σ0.2 MPa Tensile stress required to produce a total elongation of 0.2%
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)