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TU 37 b q2

France AFNOR NF TU37bq2 Steel tubes. Seamless precision tubes for mechanical application. Dimensions. Technical delivery conditions and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: TU37bq2 / TU 37 b q2
Category Grade Standard Region/Area Standard Content
Metals TU 37 b q2 NF A49-310 France Steel tubes. Seamless precision tubes for mechanical application. Dimensions. Technical delivery conditions

Chemical composition(mass fraction)(wt.%) of the TU 37 b q2

Element Min Max Similar
Si - 0.3500 -
S 0.0200 0.0400 -
P - 0.0400 -
Mn - 0.8000 -
C - 0.1800 -

Mechanical Properties of steel grade TU 37 b q2

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)
612 (≥) 926 (≥) 12 22 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 131

Physical Properties of steel grade TU 37 b q2

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
44 - -     0.13 -  
394 654 - 31.3 432   -  
889 - 43 12.2   341 233

Heat Treatment of steel grade TU 37 b q2

Heat treated : 1153°C - 1562°C

Technological Curves of steel grade TU 37 b q2

Cross Reference Table (Equivalent Grade) of TU 37 b q2

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