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Description

20CrS4 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 20CrS4
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel 20CrS4
13Cr2
1.7012
1.7015
15Cr3
1.7016
17CrS3
17Cr3
1.7014
20Cr4
1.7027

Chemical composition(mass fraction)(wt.%) of the 20CrS4

 

C
Si
Mn
P
S
Cr Ni
0.17-0.23  0.40  0.60-0.90  0.025  0.015  0.90-1.20   
Mo Al Cu Nb Ti V Ce
  ≤0.05 ≤0.30        
N Co Pb B Other    
             
             

Mechanical Properties of steel grade 20CrS4

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)
168 (≥) 565 (≥) 42 11 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade 20CrS4

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
42 - -     0.23 -  
989 315 - 44.3 234   -  
758 - 12 34.2   322 134

Heat Treatment of steel grade 20CrS4

Heat treated : 1767°C - 1398°C

Technological Curves of steel grade 20CrS4


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