1.0725 (15SMn13)

Classification

Country Section Category
Germany Non-alloy Steels Steels with Higher P or S Content

Chemical composition

Standard Fe, % Si, % Mn, % P, % C, % S, %
97.88–98.9 < 0.4 0.9–1.3 < 0.06 0.12–0.18 0.08–0.18

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{0.2}$$, $$MPa$$ $$\epsilon_L$$, % Treatment
5–10 solid, cold drawn 560–840 450 6
10–16 solid, cold drawn 500–800 430 7
16–40 solid, cold drawn 470–770 390 8
40–63 solid, cold drawn 460–680 350 9
63–100 solid, cold drawn 440–650 265 10

Brinell hardness number

Rolling Standard Classifiers Value, HBW
rolling, turning 125–178
128–172

Standards

Standard Description
EN 10087
EN 10277-3

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Mn % Manganese
P % Phosphorus
C % Carbon
S % Sulfur

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)