1.6773 (36NiCrMo16)

Classification

Country Section Category
Germany Structural, Pressure Vessel and Engineering Steels Cr-Ni-Mo with Mo <0.4% + 3.5% =< Ni < 5%, or Mo>= 0.4%

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Ni, % P, % C, % S, % Mo, %
91.81–93.73 < 0.4 0.5–0.8 1.6–2 3.6–4.1 < 0.025 0.32–0.39 < 0.025 0.25–0.45

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\epsilon_{L (L_0 = 5.65\sqrt{S_o})}$$, % $$\epsilon_T$$, % $$R_{eH}$$, $$MPa$$ $$\psi$$, % Treatment
< 16 moderate hardening 1250–1450 9 8 1050 40
16–40 moderate hardening 1250–1450 9 1050 40
40–100 moderate hardening 1100–1300 10 900 45
100–160 moderate hardening 1000–1200 11 800 50
160–250 moderate hardening 1000–1200 11 50
160–660 moderate hardening 800

Brinell hardness number

Rolling Standard Classifiers Value, HBW
annealing, soft 269

Standards

Standard Description
EN 10083-1
EN 10250-3

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