Main
Brand
Germany
1.7000 - 1.7999 (Structural, Pressure Vessel and Engineering Steels)
1.7200 - 1.7299 (Cr-Mo with Mo < 0.35% , Cr-Mo-B)
1.7262 (15CrMo5)
Classification
Country
Section
Category
Country
Section
Category
Germany
Structural, Pressure Vessel and Engineering Steels
Cr-Mo with Mo < 0.35%, Cr-Mo-B
Chemical composition
Standard
Fe, %
Si, %
Mn, %
Cr, %
P, %
C, %
S, %
Mo, %
Standard
Fe, %
Si, %
Mn, %
Cr, %
P, %
C, %
S, %
Mo, %
96.71–97.72
0.15–0.35
0.8–1.1
1–1.3
< 0.035
0.13–0.17
< 0.035
0.2–0.3
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Mechanical properties at 20 °C
Rolling
Standard
Size, mm
Tension
Classifiers
\sigma _{U}
,
MPa
\sigma_{Y}
,
MPa
\epsilon_L
, %
\psi
, %
KU
,
J
Treatment
Rolling
Standard
Size, mm
Tension
Classifiers
\sigma _{U}
,
MPa
\sigma_{Y}
,
MPa
\epsilon_L
, %
\psi
, %
KU
,
J
Treatment
< 11
880–1180
> 635
> 9
> 35
> 41
After carburization, in the core
< 30
780–1080
> 590
> 10
> 40
> 41
Cementation, in the core
< 63
640–930
> 11
> 40
Cementation, in the core
Brinell hardness number
Rolling
Standard
Classifiers
Value, HBW
Rolling
Standard
Classifiers
Value, HBW
soft, average vacation
< 207
Analogues
CIS, Russia, Ukraine
CIS, Russia, Ukraine
15HM
Description of chemical elements
Element
Units of measurement
Description
Element
Units of measurement
Description
Fe
%
Iron
Si
%
Silicon
Mn
%
Manganese
Cr
%
Chrome
P
%
Phosphorus
C
%
Carbon
S
%
Sulfur
Mo
%
Molybdenum
Description of mechanical properties
Parameter
Units of measurement
Description
Parameter
Units of measurement
Description
\sigma_{Y}
MPa
Yield strength
\sigma _{U}
MPa
Ultimate tensile strength
\epsilon_L
%
Elongation at break (longitudinal)
\psi
%
Reduction in cross section on fracture
KU
J
Impact energy
Aloro
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