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X 12 Ni 5

EU EN X12Ni5 承压钢锻件 - 第3部分:规定低温性能的镍钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X12Ni5 / X 12 Ni 5
Category Grade Standard Region/Area Standard Content
Metals X 12 Ni 5 EN 10222-3 EU 承压钢锻件 - 第3部分:规定低温性能的镍钢

Chemical composition(mass fraction)(wt.%) of the X 12 Ni 5

Element Min Max Similar
Cu - 0.3000 -
V - 0.0500 -
Ni 4.5000 5.3000 -
P - 0.0200 -
S - 0.0100 -
Mn 0.3000 0.8000 -
Si - 0.3500 -
C - 0.1500 -

Mechanical Properties of steel grade X 12 Ni 5

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)
391 (≥) 319 (≥) 12 11 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 211

Physical Properties of steel grade X 12 Ni 5

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
12 - -     0.33 -  
353 668 - 34.3 432   -  
388 - 22 42.2   341 322

Heat Treatment of steel grade X 12 Ni 5

Heat treated : 1652°C - 1645°C

Technological Curves of steel grade X 12 Ni 5

Cross Reference Table (Equivalent Grade) of X 12 Ni 5

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