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Description

50CrMo4 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 50CrMo4
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel 50CrMo4
41Cr4
1.7039
42CrMo4
1.7225
42CrMo4
1.7227
1.3563
43CrMo4
1.3565
48CrMo4

Chemical composition(mass fraction)(wt.%) of the 50CrMo4

 

C
Si
Mn
P
S
Cr Ni
0.46-0.54 0.40  0.50-0.80  0.025  0.035  0.90-1.20  
Mo Al Cu Nb Ti V Ce
0.15-0.30             
N Co Pb B Other    
             
             

Mechanical Properties of steel grade 50CrMo4

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)
221 (≥) 316 (≥) 22 21 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 142

Physical Properties of steel grade 50CrMo4

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
11 - -     0.24 -  
293 193 - 42.3 344   -  
918 - 41 23.2   322 314

Heat Treatment of steel grade 50CrMo4

Heat treated : 1924°C - 1375°C

Technological Curves of steel grade 50CrMo4

Cross Reference Table (Equivalent Grade) of 50CrMo4

Grade Standard Country Application
GS-50CrMo4 DIN Germany
50CrMo4 Spain structural alloy steel
EN 50CrMo4 EN Euronorm Structural steel

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