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20CrMoB3-3

Description

20CrMoB3-3 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 20CrMoB3-3
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel 20CrMoB3-3
1.7160
16MnCrB5
18CrMo4
1.7243
18CrMoS4
1.7244
15CrMo5
1.7262
20CrMo5
1.7264

Chemical composition(mass fraction)(wt.%) of the 20CrMoB3-3

C
Si
Mn
P
S
Cr Ni
0.20-0.25  0.15-0.35  0.70-0.90  0.035  0.035  0.70-0.90   
Mo Al Cu Nb Ti V Ce
0.30-0.40             
N Co Pb B Other    
      0.0008-0.005       
             

Mechanical Properties of steel grade 20CrMoB3-3

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)
872 (≥) 516 (≥) 32 22 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical Properties of steel grade 20CrMoB3-3

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
31 - -     0.13 -  
711 579 - 14.3 224   -  
294 - 13 32.2   234 342

Heat Treatment of steel grade 20CrMoB3-3

Heat treated : 1333°C - 1474°C

Technological Curves of steel grade 20CrMoB3-3


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