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Hungary MSZ FK Calibrated longitudinal welded steel tubes. Technical specification and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: FK / FK
Category Grade Standard Region/Area Standard Content
Metals FK MSZ 382-2 Hungary Calibrated longitudinal welded steel tubes. Technical specification

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

Element Min Max Similar

Mechanical Properties of steel grade FK

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)
832 (≥) 729 (≥) 21 14 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade FK

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
23 - -     0.32 -  
224 169 - 24.3 442   -  
483 - 24 34.2   113 232

Heat Treatment of steel grade FK

Heat treated : 1268°C - 1956°C

Technological Curves of steel grade FK

Cross Reference Table (Equivalent Grade) of FK

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