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EN 31CrMol2

Favorite Datasheet
EN 31CrAlMo7-10 EN 31CrMoV9
#31CrMol2

Description

Euronorm EN EN 31CrMol2 Euronorm Structural steel and EN 31CrMol2 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: EN 31CrMol2
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel EN 31CrMol2 EN Euronorm Euronorm Structural steel
EN 28Cr4
EN 28CrS4
EN C10E
EN C10R
EN C15E
EN C15R
EN C16E
EN C16R
EN 23CrMo13-6
EN 31CrAlMo7-10

Chemical composition(mass fraction)(wt.%) of the EN 31CrMol2

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Mo(％) V(%)
0.28?0.35 0.40 0.40-0.70 0.025 0.035 2.80-3.30 0.30-0.50 0.10-0.20

Mechanical Properties of steel grade EN 31CrMol2

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)
396 (≥) 947 (≥) 44 44 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 144

Physical Properties of steel grade EN 31CrMol2

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
34 - -     0.44 -  
239 142 - 42.3 413   -  
262 - 11 43.2   441 121

Heat Treatment of steel grade EN 31CrMol2

Heat treated : 1231°C - 1335°C

Technological Curves of steel grade EN 31CrMol2

Cross Reference Table (Equivalent Grade) of EN 31CrMol2

Grade Standard Country Application
EN 31CrMol2 EN Euronorm Euronorm Structural steel
EN 31CrAlMo7-10 EN 31CrMoV9
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