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France AFNOR NF TU48C Steel tubes. Seamless unalloyed and Mo and Cr-Mo alloyed steel tubes for use at high temperatures. Dimensions (with normal tolerances). Technical delivrery conditions and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: TU48C / TU 48 C
Category Grade Standard Region/Area Standard Content
Metals TU 48 C NF A49-213 France Steel tubes. Seamless unalloyed and Mo and Cr-Mo alloyed steel tubes for use at high temperatures. Dimensions (with normal tolerances). Technical delivrery conditions

Chemical composition(mass fraction)(wt.%) of the TU 48 C

Element Min Max Similar
Sn - 0.0300 -
Si 0.1000 0.3500 -
S - 0.0250 -
P - 0.0250 -
Mn 0.6500 1.2500 -
Cu - 0.2500 -
C - 0.2200 -
Sn - 0.0300 -
Si 0.0900 0.4000 -
S - 0.0450 -
P - 0.0450 -
Mn 0.6000 1.3000 -
Cu - 0.2500 -
C - 0.2400 -
Sn - 0.0300 -
Si 0.1000 0.3500 -
S - 0.0350 -
P - 0.0350 -
Mn 0.6500 1.2500 -
Cu - 0.2500 -
C - 0.2200 -

Mechanical Properties of steel grade TU 48 C

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)
642 (≥) 339 (≥) 24 14 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 121

Physical Properties of steel grade TU 48 C

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
42 - -     0.43 -  
899 782 - 31.3 141   -  
463 - 13 31.2   144 223

Heat Treatment of steel grade TU 48 C

Heat treated : 1423°C - 1518°C

Technological Curves of steel grade TU 48 C

Cross Reference Table (Equivalent Grade) of TU 48 C

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