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SCr 420 TK

Japan JIS SCr420TK 机器合金钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SCr420TK / SCr 420 TK
Category Grade Standard Region/Area Standard Content
Metals SCr 420 TK JIS G3441 Japan 机器合金钢管

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

Element Min Max Similar

Mechanical Properties of steel grade SCr 420 TK

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)
338 (≥) 367 (≥) 12 14 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 223

Physical Properties of steel grade SCr 420 TK

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
22 - -     0.42 -  
676 139 - 13.3 213   -  
584 - 33 12.2   233 414

Heat Treatment of steel grade SCr 420 TK

Heat treated : 1426°C - 1149°C

Technological Curves of steel grade SCr 420 TK

Cross Reference Table (Equivalent Grade) of SCr 420 TK

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