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Z 6 NCTDV 25-15

France AFNOR NF Z6NCTDV25-15 Non alloy and alloy steel bolting for pressure equipement - Specifications and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Z6NCTDV25-15 / Z 6 NCTDV 25-15
Category Grade Standard Region/Area Standard Content
Metals Z 6 NCTDV 25-15 NF E 29-043 France Non alloy and alloy steel bolting for pressure equipement - Specifications

Chemical composition(mass fraction)(wt.%) of the Z 6 NCTDV 25-15

Element Min Max Similar

Mechanical Properties of steel grade Z 6 NCTDV 25-15

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)
362 (≥) 347 (≥) 11 41 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical Properties of steel grade Z 6 NCTDV 25-15

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
41 - -     0.43 -  
766 734 - 24.3 242   -  
736 - 13 13.2   114 133

Heat Treatment of steel grade Z 6 NCTDV 25-15

Heat treated : 1796°C - 1176°C

Technological Curves of steel grade Z 6 NCTDV 25-15

Cross Reference Table (Equivalent Grade) of Z 6 NCTDV 25-15

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