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France AFNOR NF 12N14 Iron and steel. Nickel alloy steel plates for low temperature boilers and pressure vessels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 12N14 / 12N14
Category Grade Standard Region/Area Standard Content
Metals 12N14 NF A36-208 France Iron and steel. Nickel alloy steel plates for low temperature boilers and pressure vessels

Chemical composition(mass fraction)(wt.%) of the 12N14

Element Min Max Similar
Si - 0.4000 -
S - 0.0250 -
P - 0.0300 -
Ni 3.2500 3.7500 -
Mo - 0.1000 -
Mn 0.3000 0.8000 -
Cu - 0.3000 -
Cr+Cu+Mo - 0.5000 -
Cr - 0.2500 -
C - 0.1700 -
Al 0.0150 - -

Mechanical Properties of steel grade 12N14

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)
461 (≥) 479 (≥) 22 22 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical Properties of steel grade 12N14

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
31 - -     0.23 -  
475 732 - 44.3 144   -  
582 - 31 23.2   211 342

Heat Treatment of steel grade 12N14

Heat treated : 1789°C - 1958°C

Technological Curves of steel grade 12N14

Cross Reference Table (Equivalent Grade) of 12N14

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