1.4432 (X2CrNiMo17-12-3)

Classification

Country Section Category
Germany Stainless and Heat Resisting Steels Stainless Steel with Ni > = 2.5% with Mo but without Nb and Ti

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Ni, % P, % C, % S, % Mo, % N, %
62.3–70.5 < 1 < 2 16.5–18.5 10.5–13 < 0.045 < 0.03 < 0.015 2.5–3 < 0.11

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{0.2}$$, $$MPa$$ $$\epsilon_L$$, % $$\psi$$, % $$KV_{L}$$, $$J$$ $$KV_{T}$$, $$J$$ Treatment
annealing, soft 490–700 190–240 40–45 100 60
solution annealing 490–690 190 40
solid, solution annealing, cold drawn 750–780
2–50 63–68

Brinell hardness number

Rolling Standard Classifiers Value, HBW
annealing, soft 215
solution annealing 200

Standards

Standard Description
EN 10028-7
EN 10038-1

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Mn % Manganese
Cr % Chrome
Ni % Nickel
P % Phosphorus
C % Carbon
S % Sulfur
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)
$$\psi$$ % Reduction in cross section on fracture
$$KV_{L}$$ $$J$$ Impact energy (longitudinal)
$$KV_{T}$$ $$J$$ Impact energy (transverse)