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NiCr7Si5B3

EU EN NiCr7Si5B3 Aerospace series - Nickel base alloy NI-B41203(NiCr7Si5B3) - Filler metal for brazing - Amorphous foi and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: NiCr7Si5B3 / NiCr7Si5B3
Category Grade Standard Region/Area Standard Content
Metals NiCr7Si5B3 EN 3921 EU Aerospace series - Nickel base alloy NI-B41203(NiCr7Si5B3) - Filler metal for brazing - Amorphous foi

Chemical composition(mass fraction)(wt.%) of the NiCr7Si5B3

Element Min Max Similar
C - 0.0600 -
P - 0.0200 -
S - 0.0200 -
Si 4.0000 5.0000 -
Ni - - -
Cr 6.0000 8.0000 -
Se - 0.0050 -
Ti - 0.0500 -
Zr - 0.0500 -
B 2.7500 3.5000 -
Al - 0.0500 -
Fe 2.5000 3.5000 -
Co - 0.1000 -
Others total - 0.0500 -
C - 0.0600 -
P - 0.0200 -
S - 0.0200 -
Si 4.0000 5.0000 -
Ni - - -
Cr 6.0000 8.0000 -
Se - 0.0050 -
Ti - 0.0500 -
Zr - 0.0500 -
B 2.7500 3.5000 -
Al - 0.0500 -
Fe 2.5000 3.5000 -
Co - 0.1000 -
Others total - 0.0500 -
C - 0.0600 -
P - 0.0200 -
S - 0.0200 -
Si 4.0000 5.0000 -
Ni - - -
Cr 6.0000 8.0000 -
Se - 0.0050 -
Ti - 0.0500 -
Zr - 0.0500 -
B 2.7500 3.5000 -
Al - 0.0500 -
Fe 2.5000 3.5000 -
Co - 0.1000 -
Others total - 0.0500 -

Mechanical Properties of steel grade NiCr7Si5B3

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)
156 (≥) 843 (≥) 23 33 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade NiCr7Si5B3

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
42 - -     0.43 -  
483 661 - 12.3 321   -  
969 - 34 32.2   124 334

Heat Treatment of steel grade NiCr7Si5B3

Heat treated : 1949°C - 1881°C

Technological Curves of steel grade NiCr7Si5B3

Cross Reference Table (Equivalent Grade) of NiCr7Si5B3

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