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Description

15CrMo4 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 15CrMo4
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel 15CrMo4
20Cr3
B21
20Cr4
B22
20MnCr4-2
B23
17MnCr5
B24
19MnCr5
B25

Chemical composition(mass fraction)(wt.%) of the 15CrMo4

 

C
Si
Mn
P
S
Cr Ni
 0.12-0.18 0.4  0.6-0.9  0.025 0.015  0.9-1.2  
Mo Al Cu Nb Ti V Ce
 0.15-0.25  0.05 0.3       
N O2 Pb B Other    
  0.002           
             

Mechanical Properties of steel grade 15CrMo4

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)
894 (≥) 778 (≥) 12 24 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical Properties of steel grade 15CrMo4

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
22 - -     0.44 -  
128 465 - 31.3 411   -  
564 - 34 24.2   113 311

Heat Treatment of steel grade 15CrMo4

Heat treated : 1379°C - 1912°C

Technological Curves of steel grade 15CrMo4


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