1.6582 (34CrNiMo6)

Classification

Country Section Category
Germany Structural, Pressure Vessel and Engineering Steels Cr-Ni-Mo with Mo < 0.4% + Ni < 0.2%

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Ni, % P, % C, % S, % Mo, %
94.66–96.45 < 0.4 0.5–0.8 1.3–1.7 1.3–1.7 < 0.025 0.3–0.38 < 0.035 0.15–0.3

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\epsilon_{L (L_0 = 5.65\sqrt{S_o})}$$, % $$\epsilon_T$$, % $$R_{eH}$$, $$MPa$$ $$\psi$$, % $$KV_{L}$$, $$J$$ Treatment
< 16 moderate hardening 1200–1400 9 9–14 1000 40 45
16–40 moderate hardening 1100–1300 10 900 45
40–100 moderate hardening 1000–1200 11 800 50
100–160 moderate hardening 900–1100 12 700 55
160–250 moderate hardening 800–950 13 600 55
annealing, carbide spheroidization 720 58
< 160 moderate hardening 600
160–330 moderate hardening 540
330–660 moderate hardening 490

Brinell hardness number

Rolling Standard Classifiers Value, HBW
annealing, soft 248–255

Analogues

CIS, Russia, Ukraine
30HNML
36H2N2MFA
40HN2MA

Standards

Standard Description
EN 10083-1
EN 10250-3
EN 10263-4
EN 10269
EN 10277-5
SEW550

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)
$$\epsilon_T$$ % Elongation at break (transverse)
$$R_{eH}$$ $$MPa$$ Upper yield point
$$\psi$$ % Reduction in cross section on fracture
$$KV_{L}$$ $$J$$ Impact energy (longitudinal)