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FGS Ni20 Cr2 Nb0.15

France AFNOR NF FGSNi20Cr2Nb0.15 铸成-奥氏体铸铁 and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals FGS Ni20 Cr2 Nb0.15 NF A32-301 France 铸成-奥氏体铸铁

Chemical composition(mass fraction)(wt.%) of the FGS Ni20 Cr2 Nb0.15

Element Min Max Similar
Si 1.5000 3.0000 -
P - 0.0800 -
Ni 18.0000 22.0000 -
Mn 0.7000 1.5000 -
Cu - 0.5000 -
Cr 1.0000 2.5000 -
C - 3.0000 -

Mechanical Properties of steel grade FGS Ni20 Cr2 Nb0.15

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)
553 (≥) 241 (≥) 32 11 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical Properties of steel grade FGS Ni20 Cr2 Nb0.15

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
34 - -     0.43 -  
432 851 - 42.3 244   -  
568 - 31 33.2   122 334

Heat Treatment of steel grade FGS Ni20 Cr2 Nb0.15

Heat treated : 1325°C - 1658°C

Technological Curves of steel grade FGS Ni20 Cr2 Nb0.15

Cross Reference Table (Equivalent Grade) of FGS Ni20 Cr2 Nb0.15

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