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Description

420Se High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: 420Se
Category Type Steel Grade Standard Country Application
Steel GradesHigh Alloy 420Se
XM-2
S30245
416
S41600
XM-6
S41610
416Se
S41623
420F
S42020

Chemical composition(mass fraction)(wt.%) of the 420Se

 


C
Si
Mn
P
S
Cr Ni
0.2-0.4 1 1.25 0.06 0.06 12-14 0.5
Mo Al Cu Nb Ti V Se
    ≤0.6       ≤0.15
N Co Pb B Other    
             
             

Mechanical Properties of steel grade 420Se

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)
683 (≥) 789 (≥) 43 33 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical Properties of steel grade 420Se

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
14 - -     0.44 -  
249 764 - 13.3 314   -  
832 - 31 12.2   144 431

Heat Treatment of steel grade 420Se

Heat treated : 1695°C - 1514°C

Technological Curves of steel grade 420Se


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