STS420J2

This page provides STS420J2 datasheet, STS420J2 mechanical properties, chemical element STS420J2, technical specifications of STS420J2 steel material properties. STS420J2 performance specifications.

KS STS420J2
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy STS420J2 KS Korea martensitic steel
STS430F
STS434
STS447J1
STSXM27
STS403
STS410
STS41oJl
STS41OF2
STS416
STS420J1
Datasheet for:Steel Grades:Special Alloy:STS420J2

Chemical composition(mass fraction)(wt.%) of the STS420J2

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%)
0.26-0.40 Max 1.00 Max 1.00 Max 0.04 Max 0.03 12.0-14.0 Max 0.60

Mechanical properties / Mechanische Eigenschaften / Caracteristiques mecaniques of grade STS420J2

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)
432 (≥) 794 (≥) 13 42 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 341
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
12 - -     0.41 -  
283 266 - 21.3 411   -  
925 - 13 24.2   124 223
Heat treated : 1317°C - 1812°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
STS420J2 KS Korea
martensitic steel
STS420J2 KS Korea
martensitic steel
STS420J2TKA KS Korea
KS standard mechanical and structure with stainless steel pipe(KS D3536-1992)
STS420J2

Haihong International Trade (HK) CO., Limited

Stainless Steel, Special Steel, Compressor Blading, Turbine Blading, Superalloy Supplier.
STS420J2 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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