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Description

20CrMo3 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 20CrMo3
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel 20CrMo3
1.7244
15CrMo5
1.7262
20CrMo5
1.7264
20CrMoB3-3
1.7271
20CrMoS2
20CrMo2
1.7311

Chemical composition(mass fraction)(wt.%) of the 20CrMo3

C
Si
Mn
P
S
Cr Ni
0.17-0.23  0.40  0.60-0.90  0.035  0.035  0.40-0.70   
Mo Al Cu Nb Ti V Ce
0.30-0.40             
N Co Pb B Other    
             
             

Mechanical Properties of steel grade 20CrMo3

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)
712 (≥) 448 (≥) 32 14 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 113

Physical Properties of steel grade 20CrMo3

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
32 - -     0.24 -  
115 996 - 11.3 241   -  
941 - 14 23.2   121 331

Heat Treatment of steel grade 20CrMo3

Heat treated : 1233°C - 1724°C

Technological Curves of steel grade 20CrMo3


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