1.1170 (28Mn6)

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, %
96.665–98.45 < 0.4 1.3–1.65 < 0.4 < 0.4 < 0.03 0.25–0.32 < 0.035 < 0.1

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\epsilon_{L (L_0 = 5.65\sqrt{S_o})}$$, % $$R_{eH}$$, $$MPa$$ $$KV_{L}$$, $$J$$ Treatment
< 16 normalization 630 17 345
16–100 normalization 600 18 310
100–250 normalization 570 18 290
250–500 normalization 540 270
500–1000 normalization 540 260
moderate hardening 40

Brinell hardness number

Rolling Standard Classifiers Value, HBW
improved machinability 255
annealing, soft 223

Analogues

CIS, Russia, Ukraine
30G

Standards

Standard Description
EN 1008З-1
EN 10250-2

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
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength
$$\epsilon_{L (L_0 = 5.65\sqrt{S_o})}$$ % Elongation at break (longitudinal) (for L0 = 5.65√So)
$$R_{eH}$$ $$MPa$$ Upper yield point
$$KV_{L}$$ $$J$$ Impact energy (longitudinal)