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E-Z 6 NCT 25

France AFNOR NF E-Z6NCT25 Steel rivets. Stainless and heat-resisting alloy rivets. Technical specification and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: E-Z6NCT25 / E-Z 6 NCT 25
Category Grade Standard Region/Area Standard Content
Metals E-Z 6 NCT 25 NF L 21-203 France Steel rivets. Stainless and heat-resisting alloy rivets. Technical specification

Chemical composition(mass fraction)(wt.%) of the E-Z 6 NCT 25

Element Min Max Similar
V 0.1000 0.5000 -
Ti 1.9000 2.3000 -
Si 0.4000 1.0000 -
S - 0.0150 -
P - 0.0200 -
Ni 24.0000 27.0000 -
Mo 1.0000 1.5000 -
Mn 1.0000 2.0000 -
Cr 13.5000 16.0000 -
C - 0.0800 -
Al - 0.3500 -

Mechanical Properties of steel grade E-Z 6 NCT 25

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)
228 (≥) 149 (≥) 24 33 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 131

Physical Properties of steel grade E-Z 6 NCT 25

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 - -     0.12 -  
498 457 - 14.3 443   -  
533 - 34 32.2   314 314

Heat Treatment of steel grade E-Z 6 NCT 25

Heat treated : 1496°C - 1884°C

Technological Curves of steel grade E-Z 6 NCT 25

Cross Reference Table (Equivalent Grade) of E-Z 6 NCT 25

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