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Description

1.4021 Alloy Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Alloy Steel: 1.4021
Category Type Steel Grade Standard Country Application
Steel GradesAlloy Steel 1.4021
1.4542
1.4401
1.4401
1.4016
1.4571
1.4541
1.4568
1.4568
1.4006
1.4372

Chemical composition(mass fraction)(wt.%) of the 1.4021

 

 

Si 
Mn 
 P
 S
Cr   Ni  Mo  Other
 0.16-0.25  1.00  1.50  0.040  0.015  12.0-14.0  ------  ----------  -----------

Mechanical Properties of steel grade 1.4021

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)
888 (≥) 882 (≥) 24 14 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 344

Physical Properties of steel grade 1.4021

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
32 - -     0.12 -  
189 446 - 24.3 222   -  
737 - 42 21.2   223 121

Heat Treatment of steel grade 1.4021

Heat treated : 1695°C - 1152°C

Technological Curves of steel grade 1.4021

Cross Reference Table (Equivalent Grade) of 1.4021

Grade Standard Country Application
1.4021 AFNOR France Martensite And Precipitation Hardening

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