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EN 31CrMoV9

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EN 31CrMol2 EN 32CrMoV12-9
#31CrMoV9

Description

Euronorm EN EN 31CrMoV9 Euronorm Structural steel and EN 31CrMoV9 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: EN 31CrMoV9
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel EN 31CrMoV9 EN Euronorm Euronorm Structural steel
EN 28CrS4
EN C10E
EN C10R
EN C15E
EN C15R
EN C16E
EN C16R
EN 23CrMo13-6
EN 31CrAlMo7-10
EN 31CrMol2

Chemical composition(mass fraction)(wt.%) of the EN 31CrMoV9

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Mo(％) V(%)
0.27-0.34 0.40 0.40-0.70 0.025 0.035 2.30-2.79 0.15-0.25 0.15-0.25

Mechanical Properties of steel grade EN 31CrMoV9

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
335 (≥) 781 (≥) 13 22 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical Properties of steel grade EN 31CrMoV9

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
21 - -     0.42 -  
817 269 - 11.3 411   -  
855 - 22 33.2   132 233

Heat Treatment of steel grade EN 31CrMoV9

Heat treated : 1922°C - 1775°C

Technological Curves of steel grade EN 31CrMoV9

Cross Reference Table (Equivalent Grade) of EN 31CrMoV9

Grade Standard Country Application
EN 31CrMoV9 EN Euronorm Euronorm Structural steel
EN 31CrMol2 EN 32CrMoV12-9
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