1.1127 (38Mn6)

Classification

Country Section Category
Germany Non-alloy Special Steels Structural Pressure Vessel and Engineering Steels with C < 0,5%

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Ni, % P, % C, % S, % Mo, %
EN 10297-1 96.51–98.11 0.15–0.45 1.4–1.65 < 0.4 < 0.4 < 0.035 0.34–0.42 < 0.035 < 0.1

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{Y}$$, $$MPa$$ $$\epsilon_L$$, % $$KV_{L}$$, $$J$$ $$KV_{T}$$, $$J$$ Treatment
< 16 normalization 670 400 14–16
16–40 normalization 620 380
40–80 normalization 570 360
< 8 moderate hardening 850 620 13 35–40 25
8–20 moderate hardening 750 570 14
20–50 moderate hardening 650 470 15
50–80 moderate hardening 550 400 16

Brinell hardness number

Rolling Standard Classifiers Value, HBW
annealing, soft 223

Standards

Standard Description
EN 10297-1

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

Description of mechanical properties

Parameter Units of measurement Description
$$\sigma_{Y}$$ $$MPa$$ Yield strength
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength
$$\epsilon_L$$ % Elongation at break (longitudinal)
$$KV_{L}$$ $$J$$ Impact energy (longitudinal)
$$KV_{T}$$ $$J$$ Impact energy (transverse)