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Z 6 NCTDV 25.15

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France AFNOR NF Z6NCTDV25.15 Iron and steel. Heat treatable steels for externally threaded high performance fasteners for use at high temperatures 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 A35-558 France Iron and steel. Heat treatable steels for externally threaded high performance fasteners for use at high temperatures

Chemical composition(mass fraction)(wt.%) of the Z 6 NCTDV 25.15

Element Min Max Similar
V 0.1000 0.5000 -
Ti 1.8000 2.3000 -
Si - 1.0000 -
S - 0.0300 -
P - 0.0300 -
Ni 24.0000 27.0000 -
Mo 1.0000 1.5000 -
Mn 1.0000 2.0000 -
Cr 13.5000 16.0000 -
C - 0.0800 -
Al - 0.4000 -

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)
431 (≥) 763 (≥) 32 13 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

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
14 - -     0.43 -  
937 543 - 12.3 313   -  
122 - 22 24.2   442 441

Heat Treatment of steel grade Z 6 NCTDV 25.15

Heat treated : 1271°C - 1556°C

Technological Curves of steel grade Z 6 NCTDV 25.15

Cross Reference Table (Equivalent Grade) of Z 6 NCTDV 25.15

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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