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Description

1.7238 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 1.7238
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel 1.7238
1.7005
38Cr4
1.7043
42Cr4
1.7045
34CrMo4
1.7220
41CrMo4
1.7223
49CrMo4

Chemical composition(mass fraction)(wt.%) of the 1.7238

 

C
Si
Mn
P
S
Cr Ni
0.46-0.52 0.15-0.40  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 1.7238

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)
328 (≥) 439 (≥) 43 21 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

Physical Properties of steel grade 1.7238

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 - -     0.23 -  
437 224 - 33.3 413   -  
319 - 22 31.2   123 121

Heat Treatment of steel grade 1.7238

Heat treated : 1571°C - 1744°C

Technological Curves of steel grade 1.7238


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