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Description

Austria ONORM St03FK50 Austrian structural steel and St03FK50 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: St03FK50
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel St03FK50 ONORM Austria Austrian structural steel
St22F
St23F
St24F
St02FK32
St02FK40
S102FK50
St02FK60
St02FK70
St03FK32
St03FK4a

Chemical composition(mass fraction)(wt.%) of the St03FK50

C(%) Si(%) Mn(%) P(%) S(%)
0.1 0.15 0.20-0.45 0.03 0.03

Mechanical Properties of steel grade St03FK50

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)
346 (≥) 362 (≥) 24 12 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 312

Physical Properties of steel grade St03FK50

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 - -     0.24 -  
141 131 - 12.3 311   -  
839 - 43 43.2   124 332

Heat Treatment of steel grade St03FK50

Heat treated : 1848°C - 1683°C

Technological Curves of steel grade St03FK50

Cross Reference Table (Equivalent Grade) of St03FK50

Grade Standard Country Application
St03FK50 ONORM Austria Austrian structural steel

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