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STS 420 J1 TKA

Korea KS STS420J1TKA 机械和结构用不锈钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: STS420J1TKA / STS 420 J1 TKA
Category Grade Standard Region/Area Standard Content
Metals STS 420 J1 TKA KS D 3536 Korea 机械和结构用不锈钢管

Chemical composition(mass fraction)(wt.%) of the STS 420 J1 TKA

Element Min Max Similar

Mechanical Properties of steel grade STS 420 J1 TKA

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)
966 (≥) 658 (≥) 23 43 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical Properties of steel grade STS 420 J1 TKA

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
24 - -     0.11 -  
194 836 - 43.3 312   -  
931 - 44 33.2   221 312

Heat Treatment of steel grade STS 420 J1 TKA

Heat treated : 1683°C - 1346°C

Technological Curves of steel grade STS 420 J1 TKA

Cross Reference Table (Equivalent Grade) of STS 420 J1 TKA

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