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Description

Austria ONORM UC8 Austrian structural steel and UC8 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: UC8
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel UC8 ONORM Austria Austrian structural steel
19Mn6KKW
15Mo3KW
13CrMo44KW
10CrMo910KW
14NiMn6KK
10Nil4KK
12N119KK
X8Ni9KK
UGG12
UC6

Chemical composition(mass fraction)(wt.%) of the UC8

C(%) Mn(%) P(%) S(%)
Max 0.08 Max 0.50 0.04 0.04

Mechanical Properties of steel grade UC8

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)
236 (≥) 177 (≥) 33 34 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 422

Physical Properties of steel grade UC8

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
34 - -     0.22 -  
916 746 - 43.3 212   -  
538 - 11 24.2   341 321

Heat Treatment of steel grade UC8

Heat treated : 1563°C - 1958°C

Technological Curves of steel grade UC8

Cross Reference Table (Equivalent Grade) of UC8

Grade Standard Country Application
UC8 ONORM Austria Austrian structural steel

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