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France AFNOR NF 12Ni19 Flat products made of steels for pressure purposes - Part 4: Nickel alloy steels with specified low temperature properties and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 12Ni19 / 12 Ni 19
Category Grade Standard Region/Area Standard Content
Metals 12 Ni 19 NF EN 10028-4 France Flat products made of steels for pressure purposes - Part 4: Nickel alloy steels with specified low temperature properties

Chemical composition(mass fraction)(wt.%) of the 12 Ni 19

Element Min Max Similar
V - 0.0500 -
Si - 0.3500 -
S - 0.0100 -
P - 0.0200 -
Ni 4.7500 5.2500 -
Mn 0.3000 0.8000 -
Cr+Cu+Mo - 0.5000 -
C - 0.1500 -

Mechanical Properties of steel grade 12 Ni 19

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)
149 (≥) 811 (≥) 24 44 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 413

Physical Properties of steel grade 12 Ni 19

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
13 - -     0.32 -  
117 449 - 11.3 442   -  
339 - 42 21.2   124 321

Heat Treatment of steel grade 12 Ni 19

Heat treated : 1189°C - 1435°C

Technological Curves of steel grade 12 Ni 19

Cross Reference Table (Equivalent Grade) of 12 Ni 19

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