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Description

31CrV2 Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel: 31CrV2
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel 31CrV2
1.2129
200CrMn8
1.2162
21MnCr5
1.2201
X165CrV12
1.2206
140CrV1
1.2208
31CrV3

Chemical composition(mass fraction)(wt.%) of the 31CrV2

 

Si 
Mn 
 P
 S
Cr   Ni  Mo  Other
 0.28-0.35  0.25-0.40  0.40-0.60  0.030 0.030   0.40-0.70      V  0.07-0.12

Mechanical Properties of steel grade 31CrV2

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)
817 (≥) 464 (≥) 24 21 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 113

Physical Properties of steel grade 31CrV2

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
43 - -     0.11 -  
237 173 - 34.3 113   -  
227 - 42 42.2   332 343

Heat Treatment of steel grade 31CrV2

Heat treated : 1998°C - 1782°C

Technological Curves of steel grade 31CrV2


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