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France AFNOR NF TUE220 Steel tubes. Seamless plain-end unalloyed steel tubes for fluid piping at elevated temperatures. Dimensions. Technical delivery conditions and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: TUE220 / TU E 220
Category Grade Standard Region/Area Standard Content
Metals TU E 220 NF A49-211 France Steel tubes. Seamless plain-end unalloyed steel tubes for fluid piping at elevated temperatures. Dimensions. Technical delivery conditions

Chemical composition(mass fraction)(wt.%) of the TU E 220

Element Min Max Similar
Si - 0.3000 -
S - 0.0250 -
P - 0.0250 -
Mn - 0.8000 -
C - 0.1500 -

Mechanical Properties of steel grade TU E 220

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)
582 (≥) 199 (≥) 34 11 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 144

Physical Properties of steel grade TU E 220

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
43 - -     0.42 -  
446 418 - 31.3 231   -  
452 - 34 21.2   423 133

Heat Treatment of steel grade TU E 220

Heat treated : 1164°C - 1458°C

Technological Curves of steel grade TU E 220

Cross Reference Table (Equivalent Grade) of TU E 220

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