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Description

1.4424 Alloy Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Alloy Steel: 1.4424
Category Type Steel Grade Standard Country Application
Steel GradesAlloy Steel 1.4424
1.4565
1.4404
1.4432
1.4435
1.4438
1.4406
1.4429
1.4439
1.4462
1.4410

Chemical composition(mass fraction)(wt.%) of the 1.4424

 

 

Si 
Mn 
 P
 S
Cr   Ni  Mo  Other
 0.030  1.40-2.00  1.20-2.00  0.035  0.015  18.0-19.0  4.50-5.20  2.50-3.00  N 0.05-0.10

Mechanical Properties of steel grade 1.4424

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)
249 (≥) 726 (≥) 34 43 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical Properties of steel grade 1.4424

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 -  
143 678 - 41.3 142   -  
696 - 14 34.2   432 423

Heat Treatment of steel grade 1.4424

Heat treated : 1276°C - 1742°C

Technological Curves of steel grade 1.4424


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