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Austria ONORM St12F Sheet (sheet and strip) of soft unalloyed steel; drawing quality; quality specifications and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: St12F / St 12 F
Category Grade Standard Region/Area Standard Content
Metals St 12 F ÖNORM M3124-1 Austria Sheet (sheet and strip) of soft unalloyed steel; drawing quality; quality specifications

Chemical composition(mass fraction)(wt.%) of the St 12 F

Element Min Max Similar
Si - 0.1500 -
S - 0.0400 -
P - 0.0400 -
Mn 0.2000 0.4500 -
C - 0.1000 -

Mechanical Properties of steel grade St 12 F

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)
353 (≥) 984 (≥) 22 23 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical Properties of steel grade St 12 F

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 - -     0.44 -  
481 966 - 31.3 342   -  
742 - 44 32.2   423 444

Heat Treatment of steel grade St 12 F

Heat treated : 1433°C - 1521°C

Technological Curves of steel grade St 12 F

Cross Reference Table (Equivalent Grade) of St 12 F

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