1.1221 (C60E)

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 10083-1 97.085–98.83 < 0.4 0.6–0.9 < 0.4 < 0.4 < 0.03 0.57–0.65 < 0.035 < 0.1

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{Y}$$, $$MPa$$ $$\sigma_{0.2}$$, $$MPa$$ $$\epsilon_L$$, % $$\epsilon_{L (L_0 = 80 mm)}$$, % $$\epsilon_{L (L_0 = 5.65\sqrt{S_o})}$$, % $$R_{eH}$$, $$MPa$$ Treatment
< 16 normalization 710 10 380–390
16–100 normalization 670 11 340–350
100–250 normalization 650 11 310
250–500 normalization 630 275
500–1000 normalization 620 260
0.3–3 annealing, soft 620 495 17
0.3–3 moderate hardening 1150–1750
5–10 solid, cold drawn 800–1150 630 5
10–16 solid, cold drawn 780–1130 550 5
16–40 solid, cold drawn 730–1100 480 6
< 8 moderate hardening 850 580 11
8–20 moderate hardening 800 520 13
20–50 moderate hardening 750 450 14
50–80 moderate hardening 710 420 14

Brinell hardness number

Rolling Standard Classifiers Value, HBW
improved machinability 255
annealing, soft 241
rolling, turning 198–278

Твёрдость по Викерсу

Rolling Standard Classifiers Value, HV
annealing, soft 195
cold rolling 305
moderate hardening 345–530

Standards

Standard Description
EN 10083-1

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
$$\sigma_{0.2}$$ $$MPa$$ Tensile stress required to produce a total elongation of 0.2%
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength
$$\epsilon_L$$ % Elongation at break (longitudinal)
$$\epsilon_{L (L_0 = 80 mm)}$$ % Elongation at break (longitudinal) (for L0 = 80 mm)
$$\epsilon_{L (L_0 = 5.65\sqrt{S_o})}$$ % Elongation at break (longitudinal) (for L0 = 5.65√So)
$$R_{eH}$$ $$MPa$$ Upper yield point