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France AFNOR NF TSE320 Steel tubes. Spiral fusion welded non-alloy and micro-alloy steel tubes for fluid transporting pipes and pressure vessels. Dimensions. Technical conditions of delivery and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: TSE320 / TS E 320
Category Grade Standard Region/Area Standard Content
Metals TS E 320 NF A49-402 France Steel tubes. Spiral fusion welded non-alloy and micro-alloy steel tubes for fluid transporting pipes and pressure vessels. Dimensions. Technical conditions of delivery

Chemical composition(mass fraction)(wt.%) of the TS E 320

Element Min Max Similar
Si - 0.3500 -
S - 0.0250 -
P - 0.0300 -
Nb - 0.4000 -
Mn - 1.2500 -
C - 0.1700 -

Mechanical Properties of steel grade TS E 320

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)
781 (≥) 521 (≥) 42 43 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 132

Physical Properties of steel grade TS E 320

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 - -     0.13 -  
751 167 - 44.3 422   -  
928 - 21 32.2   431 343

Heat Treatment of steel grade TS E 320

Heat treated : 1639°C - 1696°C

Technological Curves of steel grade TS E 320

Cross Reference Table (Equivalent Grade) of TS E 320

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