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SNi6625(NiCr22Mo9Nb)

China GB SNi6625(NiCr22Mo9Nb) Nickel and nickel alloy welding wires and rodes and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals SNi6625(NiCr22Mo9Nb) GB/T 15620 China Nickel and nickel alloy welding wires and rodes

Chemical composition(mass fraction)(wt.%) of the SNi6625(NiCr22Mo9Nb)

Element Min Max Similar
Mo 8.0000 10.0000 -
Nb 3.0000 4.2000 -
Cr 20.0000 23.0000 -
Ti - 0.4000 -
Al - 0.4000 -
Ni 58.0000 - -
Cu - 0.5000 -
Si - 0.5000 -
Fe - 5.0000 -
Mn - 0.5000 -
C - 0.1000 -

Mechanical Properties of steel grade SNi6625(NiCr22Mo9Nb)

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)
674 (≥) 915 (≥) 41 41 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical Properties of steel grade SNi6625(NiCr22Mo9Nb)

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
32 - -     0.44 -  
414 584 - 12.3 332   -  
726 - 42 12.2   442 332

Heat Treatment of steel grade SNi6625(NiCr22Mo9Nb)

Heat treated : 1252°C - 1132°C

Technological Curves of steel grade SNi6625(NiCr22Mo9Nb)

Cross Reference Table (Equivalent Grade) of SNi6625(NiCr22Mo9Nb)

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