STS420F

This page provides STS420F datasheet, STS420F mechanical properties, chemical element STS420F, technical specifications of STS420F steel material properties. STS420F performance specifications.

KS STS420F
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy STS420F KS Korea martensitic steel
STS434
STS447J1
STSXM27
STS403
STS410
STS41oJl
STS41OF2
STS416
STS420J1
STS420J2
Datasheet for:Steel Grades:Special Alloy:STS420F

Chemical composition(mass fraction)(wt.%) of the STS420F

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%)
O.26-0.40 Max 1.00 Max 1.00 Max 0.06 Max 0.15 12.O-14.O Max 0.60 Max 0.60

Mechanical properties / Mechanische Eigenschaften / Caracteristiques mecaniques of grade STS420F

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)
339 (≥) 714 (≥) 22 33 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 132
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
13 - -     0.13 -  
564 933 - 41.3 434   -  
514 - 31 13.2   131 134
Heat treated : 1774°C - 1496°C
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
STS420F KS Korea
martensitic steel
STS420F KS Korea
martensitic steel
STS420F2 KS Korea
martensitic steel
STS420F2 KS Korea
martensitic steel
STS420F

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STS420F can be supplied as steel plate/ sheet, round steel bar, steel tube/pipe, steel stripe, steel billet, steel ingot, steel wire rods. electroslag, forged ring/ block,etc.
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